KR>Weight and balance and inspections.

Just for clarification and this is just in the UK, but I expect it is the same in Europe, we can only build the original KR2 to the original design. MAUW of 900 and a max empty weight of 580lb. Any heavier and it becomes a single-seat aircraft only. That is the law. I'm not actually that sure of

Re: KR> weight and balaance

On 9/23/2020 7:58 AM, Flesner via KRnet wrote: Do you want the CG to fall at the rear limit with a 200 pound pilot, 200 pound passenger, and full fuel or some other combination. +++ As KR's have the

KR> weight and balaance

On 9/22/2020 5:32 PM, Flesner via KRnet wrote: When doing a conventional gear aircraft and ,using the firewall for the datum, all scales are in the same direction and no "negative" numbers are involved. ++ I shoul

Re: KR> weight and balance on a longeze

On 8/8/2020 1:18 PM, Robert Dunleavy via KRnet wrote: I have some old paperwork from a friends longeze with an 0-320. If I can help let me know and I'll find it...Robert. + Thanks,

Re: KR> weight and balance on a longeze

I have some old paperwork from a friends longeze with an 0-320. If I can help let me know and I'll find it...Robert. On Friday, August 7, 2020, 08:17:29 PM CDT, Flesner via KRnet wrote: I helped a friend do the weight and balance on his Longeze this afternoon.  What a goat rodeo. The

Re: KR> weight and balance on a longeze

We have a few Longeze here in our airfield but one, in particular, that is just now finishing up their 40hrs. It has a Lyc 320 on it. If this matches somewhat what you have I will get their weight and balance and copy it.  Luis R Claudio, KHQZ KR2S N8981S Dallas, Texas On Friday, August 7, 2

KR> weight and balance on a longeze

I helped a friend do the weight and balance on his Longeze this afternoon.  What a goat rodeo. The nose won't stay down in level attitude without a gallon jug of water on the nose.  They don't give you a datum other than to check that the instrument panel is 110 inches forward of the main gea

KR> weight and balance

Jon wrote- > It's quoted as 15 to 35 percent of the mac...which I believe is 41 inches > for the stock kr2...less for the kr2s. (Insert the sound of me slapping my hand to my forehead here)- why wasn't I paying attention? The KR2 wing is *not* constant chord for most of its span, so the MAC i

KR> weight and balance

My KR was out of the CG range until I sat in the seat which brought it to within the CG. range. ?I always kelp a little weight to throw in the back to help with CG. From: Mark Langford via KRnet To: KRnet Cc: ml at n56ml.com Sent: Monday, April 4, 2016 1:43 PM Subject: Re: KR

KR> weight and balance

It's quoted as 15 to 35 percent of the mac...which I believe is 41 inches for the stock kr2...less for the kr2s. The point I make is that the location of the mac is very easy to change in relation to the stub wing...the as5048 has spar locations that move the mac...and cg range forward about a hal

KR> weight and balance

mark if 35% aft from leading edge (at mean average chord point?) is too far aft, what is the commonly accepted safe limit and where in your experience does she fly best? > To: krnet at list.krnet.org > Date: Sun, 3 Apr 2016 19:28:49 -0700 > Subject: Re: KR> weight and balance >

KR> weight and balance

Chris Prata wrote: >If 35% aft from the leading edge (at mean average chord point) is too far aft, >what is the commonly accepted safe limit and where in your experience does she >fly best? There's some ambiguity there, as the plans call for 8"-16" from the leading edge of the stub wing, and th

KR> weight and balance

Gary wrote: > From my plans, the CG is 15% to 40% of the wing chord. That was the old > wing. Is it the same with to AS5048 wing? I don't ever remember seeing that number before. Is that for a KR1, or just an early set of plans? My plans also say 15%-35%, and that's the range that extends to

KR> weight and balance

Gary My plans manual, ss# 1216, list 15% to 35% MAC for RAF 48 airfoil. I used Diehl skins on my project. Pete To: krnet at list.krnet.org List-Post: krnet@list.krnet.org Date: Sat, 2 Apr 2016 19:59:48 -0500 Subject: Re: KR> weight and balance From: krnet at list.krnet.org CC: gary769rv

KR> weight and balance

016 12:42:15 -0500 > To: krnet at list.krnet.org > Subject: KR> weight and balance > From: krnet at list.krnet.org > CC: flesner at frontier.com > > > > > > Here is everything you need to know about w

KR> weight and balance

>From my plans, the CG is 15% to 40% of the wing chord. That was the old wing. Is it the same with to AS5048 wing? Gary -- next part -- A non-text attachment was scrubbed... Name: image[3].png Type: image/png Size: 41954 bytes Desc: not available URL:

KR> weight and balance

At 12:18 PM 4/2/2016, you wrote: >What's a weight and balance? >Mike Stirewalt > Here is everything you need to know about weight and balance: https://www.faa.gov/regulations_policies/handbooks_manuals/aircraft/media/FAA-H-8083-1A.pdf

KR> weight

" Cc: "GaryH" Sent: Thursday, December 3, 2015 12:35:14 PM Subject: KR> weight Hello KR netters... Does anyone have an idea how much an outboard 5048 wing might weigh? (Primed, not painted, with or no wing tanks.) Gary Soli Deo Gloria __

KR> weight

Gary, in using the 5048 with wing tanks. Wing weighs 64 lbs each. I suspect the tanks are about 7 lbs which puts it near the upper edge of Mark's educated guess. Dan Prichard Portland Oregon Sent from my iPhone > On Dec 3, 2015, at 9:35 AM, GaryH via KRnet wrote: > > > Hello KR netters

KR> weight

Hello KR netters... Does anyone have an idea how much an outboard 5048 wing might weigh? (Primed, not painted, with or no wing tanks.) Gary Soli Deo Gloria

KR> weight

List-Post: krnet@list.krnet.org Date: Dec.3,2015 Subject: Outboard wing panel weight Gary; I have the original, built to plans wing, RAF 48, they weigh 45 lbs each. Mine have two layers of fiberglass cloth on them and this weight includes the primer and enamel paint as well as the aileron cou

KR> weight engine fairings

The combined top and bottom home-built fiber glass fairing for my 2180 VW engine weighs 10.6 pounds including paint. The fiber glass cooling ducts for the engine weigh 1.6 pounds total. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA

KR> weight engine fairings

KR friends, I am bussy to calculate the weight of the engine before I can design the engine mount. What is the everage weight of the hood or the fairings or covers around the engine. I did a small calculation and think it should be around 6 lb. What do you all think or what is the weight of yours

KR> weight engine fairings

t; N56ML.com www.N56ML.com Original Message Subject: KR> weight engine fairings From: stefkr2--- via KRnet List-Post: krnet@list.krnet.org Date: Mon, September 28, 2015 3:12 am To: Kr net Kr net Cc: "stefkr2 at kpnmail.nl" KR friends, I am bussy to calculate the we

KR> weight and balance

n Behalf Of Sid Wood via KRnet Sent: Wednesday, 19 August 2015 5:54 AM To: krnet at list.krnet.org Cc: Sid Wood Subject: Re: KR> weight and balance The KR-2 Plans have a serious error regarding Weight & Balance. The designer, Stu Robinson, chose the RAF48 Center of Lift 2 inches to far forw

KR> weight and B result.

: krnet at list.krnet.org >Datum : 20/08/2015 01:27 >Aan : krnet at list.krnet.org >Cc : john_martindale at bigpond.com >Onderwerp : Re: KR> weight and balance > >Hi Sid > >It is not that the centre of lift for the RAF48 wing has been inaccurately >mapped. That would have been w

KR> weight and balance

The KR-2 Plans have a serious error regarding Weight & Balance. The designer, Stu Robinson, chose the RAF48 Center of Lift 2 inches to far forward. The KR-2S supplement does correct this error. Here is an excerpt from the archives: http://www.krnet.org/as504x/ -- There a

KR> weight and balance

The plans call for using 8 inches - 16 inches of the wing cord. So forward point would be 8 inches aft of the wings front edge. Aft would be 16 inches. This is for the RAF 48 airfoil. I wonder if the new airfoil would be different

KR> weight and balance

Most aircraft use 15% to 35% mac. The forward limit is influenced by the distance to the horizontal and size. The aft limit is not. I think most go wrong in the mac. The mac for a kr2s is slightly smaller than for a KR2 and the plans are for a kr2. The governing factors are taper and sweep. Y

KR> weight and balance

Maybe some of this will be helpful to you. http://krbuilder.org/WeightAndBalance/WB_Documents.html See N64KR at http://KRBuilder.org - Then click on the pics 2015 KR Gathering - McMinnville, OR. September 3 - 6 -- See U There. Peoples Choice at 2013 - KR Gat

KR> weight and balance

Hi guys, Monday we will do a weight and balance check to calculate the engine position. We did build a KR-2 but did extend the tail like an kr2-s, have the old kr2 wings but with the extension like the kr2-s. Fire wall is reinforced for the more powerful engine but have no two inch extension to

KR> weight and balance

The plans call for using 8 inches - 16 inches of the wing cord. So forward point would be 8 inches aft of the wings front edge. Aft would be 16 inches. This is for the RAF 48 airfoil. Rob Schmitt N1852Z > On Aug 15, 2015, at 7:11 AM, Flesner via KRnet > wrote: > > >> . Can you guys give me

KR> weight and balance

, August 15, 2015 6:47 AM To: Kr net Kr net Cc: stefkr2 at kpnmail.nl Subject: KR> weight and balance Hi guys, Monday we will do a weight and balance check to calculate the engine position. We did build a KR-2 but did extend the tail like an kr2-s, have the old kr2 wings but with the extension l

KR> weight and balance

>. Can you guys give me the advice what you should use for the fwd >and aft gravity point? I think I can use the drawing dimensions. >Result will be more space after the engine. >Stef

KR> weight and balance

15% to 35% Mac is a good estimate. You should recalculate hour Mac as it sounds like this is a unique configuration. https://sites.google.com/site/mykr2stretch/ https://sites.google.com/site/mykr2stretch/parts-for-sale

KR> weight and balance

I realize the KR series aircraft are small and resemble RC aircraft, but come on guys. Performing a proper W&B just isn't that difficult. We will be conducting a W&B seminar at the KR Gathering in September. Initially, I thought that would be a waste of time. However, after reading the discu

KR> weight and balance

Yes- I recall Dan Dhiel (sorry for spelling Dan) back in the '80's talking about doing just that...he physically balanced his KR on a roller mounted on trestles in order to verify the c of g location. Mac Wood On Thu, May 21, 2015 at 9:06 PM, dfeiger via KRnet wrote: > Question: has anyone

KR> weight and balance

Jeff You must have read something I did not. I don't think anyone was advocating the balance test as the only W&B check. I am going to do it for my own "warm fuzzy" that all is well before I fly the plane. Craig > On May 21, 2015 at 5:29 PM Jeff Scott via KRnet > wrote: > > > I realize the

KR> weight and balance

Question: has anyone tried balancing a KR to see if it is correct? Before my first flight of my mostly stock KR2 on September 28, 1984. I built a small wood cradle that supported the fuselage at the outer fuselage edges, tied it for and aft so it could not slip, and placed a large dowel cross w

KR> Weight and balance

At 07:26 PM 5/20/2015, you wrote: >Has anyone ever tried to support the airplane under the stub wing and lift >up on it with the wings +++ If you accurately weigh and measure the airplane you can "lift the airplane" with pencil and paper. Larry

KR> Weight and balance

Yes I do the same thing with my RC planes. I have every intention of doing it before I fly my plane. Because after all I am human... Craig www.kr2seafury.com Frankenstein Lycoming powered > On May 20, 2015 at 8:26 PM dean choitz via KRnet > wrote: > > > Has anyone ever tried to support the

KR> Weight and balance

You will punch through and a block will crush foam... Iirc w&b is best done with 3 scales, one under each wheel... You can then calculate cg from the weight diff On May 20, 2015 5:27 PM, "dean choitz via KRnet" wrote: > Has anyone ever tried to support the airplane under the stub wing and lift >

KR> Weight and balance

Has anyone ever tried to support the airplane under the stub wing and lift up on it with the wings attached tail feathers completed get in the plane engine on the firewall fuel empty fuel full that's the way I did it in the radio control airplane days or would something break or poke a hole in the

KR> Weight And ballance

There are several W&B spread sheets located here: http://krbuilder.org/WeightAndBalance/WB_Documents.html See N64KR at http://KRBuilder.org - Then click on the pics 2015 KR Gathering - McMinnville, OR. September 3 - 6 -- See U There. Peoples Choice at 2013 -

KR> Weight And ballance

Kr friends, I have maybey a stupid question. We are almost at the point that we will start with the engine mount. So I have heard that there is a possability to calculate the distance. So this I will all understand. I want to do 1 weight And ballance sesion (2 pax, 1 pax, full fuel, low fuel). I

KR> Weight And ballance

Weight and balance CG,center of gravity, is a sum of the moments[arm x weight]of each piece divided by the sum of the weight of each piece measured from a common datum point.The arm being measured from a common datum point.This is how I computed radio changes in aircraft.Measure the component dista

KR> Weight And ballance

Weight and balance is simply a summation of weights and moments. If you know the weight and centroid of the wings then you can certainly do a good calculation without them. On the e-3 they often do the final weighing without seats, paint, and other things. Those are added back later. https://si

KR> Weight and Balance

Did the first flight on my KR-2 this morning after moving the engine 2-inches forward from the plans call-out. (This was the fourth flight on this aircraft.) Weight and balance measurements showed my take-off cg with me onboard and half fuel to be 12.6 inches from the stub wing datum. Plans

KR> Weight and Balance

Glad you made it OK, Sid. Hope you can relocate your wheels without too much expense and find your pitch up problem. Larry Bell On Fri, Aug 29, 2014 at 12:26 PM, Sid Wood via KRnet wrote: > Did the first flight on my KR-2 this morning after moving the engine > 2-inches forward from the plans ca

KR> Weight & Balance

Please do not use the situation that your Kr2 sits on its tail and back up as OK My Kr2 has HEAVY nose weight which I did on purpose. My Kr2 needs a minimum of a 70 kg (154 lb) pilot to move the CofG back to fly it. The figures and measurements must be correct, you do not want to fly a KR wi

KR> Weight & Balance

I'm trying to remember, but I think the typical flight-induced stress failures almost always occur in the tail attach area, not the wings. It is difficult to stress the wings to yield without stalling them. Therefore, the stronger wings would demand stronger empennage and engine mount too. regar

KR> Weight & Balance

"unless of course you're Mark Langford" Since it is Friday I have to add my shot to this. When I was doing my preliminary weight and balance I went searching for information. As usual I ended up on Mark's project where he has a very nice table that lists his weights and moments. I didn't look

KR> Weight & Balance

You wrote Unless I'm mistaken, the "new wings" are only a new airfoil design optimized for the KR's performance envelope. Nothing was done to change the wing spars, which are the structural part that transfer the loads. That is true for the as5046. The as5048 is inherently stronger since the spa

KR> Weight & Balance

Paul wrote- > I wish we could come up with a new max weight with the new wings. Unless I'm mistaken, the "new wings" are only a new airfoil design optimized for the KR's performance envelope. Nothing was done to change the wing spars, which are the structural part that transfer the loads. In

KR> Weight & Balance

At 09:31 AM 6/12/2014, you wrote: >Gross weight per the FAA guidelines is 1146 pounds. + Gross weight for YOUR KR is anything you want it to be and is set by the builder. I certified my KR at 1300 or 1350, I don't recall. The 170 pound passenger weig

KR> Weight & Balance

I wish we could come up with a new max weight with the new wings. Then locate the engine off the fire wall based on best CG location at max weight. Paul Visk Belleville Il 618 406 4705 Sent from my HTC on the Now Network from Sprint!

KR> Weight & Balance

ist-Post: krnet@list.krnet.org Date: Thu, Jun 12, 2014 10:31 am Subject: KR> Weight & Balance To: Did weight and balance on 6/11/14 assisted by Bernie Wunder and my wife Shirley. Empty weight is 758 pounds and CG is 8.41 inches. With me on board and full fuel, weight is 1066 pounds and

KR> Weight & Balance

Max Gross Weight & CG, Minimum Fuel, Standard Pilot & Passenger: Start with Empty Weight, add standard pilot & passenger (170 pounds each) plus minimum fuel. Minimum fuel weight is calculated using the formula: ((Max. continuous hp)/12)X6. For my 2180 VW rated at 76 hp, that would be 38 pound

KR> Weight & Balance

u, Jun 12, 2014 10:31 am Subject: KR> Weight & Balance To: Did weight and balance on 6/11/14 assisted by Bernie Wunder and my wife Shirley. Empty weight is 758 pounds and CG is 8.41 inches. With me on board and full fuel, weight is 1066 pounds and CG is 13.41 inches; at that loading, we

KR> Weight & Balance

Did weight and balance on 6/11/14 assisted by Bernie Wunder and my wife Shirley. Empty weight is 758 pounds and CG is 8.41 inches. With me on board and full fuel, weight is 1066 pounds and CG is 13.41 inches; at that loading, weight on the nose wheel is 90.6 pounds. Comparing that to the 63

KR> Weight of lancair Evolution

Lancair Legacy. I do not know the difference between the Evolution and Legacy, but I just posted these for you interest. We all need to take great when flying. Phil Matheson -Original Message- From: Lee Van Dyke Sent: Sunday, November 10, 2013 1:09 PM To: KRnet Subject: KR> Weight

KR> Weight of lancair Evolution

The weight of our new Lancair Evolution was 887 lbs. fuse and wings with flight controls. Out of the molds. The last finished one was 2560 lbs as I recall. We will put 1673 lbs in the plane in the next 6 months. Way. Way. Way fun Lee Van Dyke

KR> weight and balance article

- Original Message - From: "Larry&Sallie Flesner" To: "KRnet" Sent: Friday, October 18, 2013 5:19:09 PM Subject: KR> weight and balance article At 04:44 PM 10/18/2013, you wrote: >Ok...I'll agree with that...just seems odd that they wo

KR> weight and balance article

At 04:44 PM 10/18/2013, you wrote: >Ok...I'll agree with that...just seems odd that they would use them as an >example for cg. ++ Maybe they referenced them because they were the FIRST to have a CG problem with an airplane. :-) Larry Flesner

KR> weight and balance article link enclosed

Ok...I'll agree with that...just seems odd that they would use them as an example for cg. I ran across one article that said if the flyer had been stable the control surfaces were insufficient to actually control the plane...they actually used the instability to their advantage...of course nobody

KR> weight and balance article link enclosed

At 08:23 AM 10/18/2013, you wrote: >Google wright flyer unstable and you'll find it. They did it on purpose. >When asked their coined response was something like the pilot should fly >the airplane. ++ My only real point was that whatever the

KR> weight and balance article link enclosed

Google wright flyer unstable and you'll find it. They did it on purpose. When asked their coined response was something like the pilot should fly the airplane. My gut feel is they knew they simply didn't have the power to spare. They were brilliant. There are some of their later planes at the a

KR> weight and balance article link enclosed

At 05:33 AM 10/18/2013, you wrote: >The article lost some credibility when it referred to the wright >brotherssince they intentionally made the wright flyer unstable. ++ Where did you learn the Wright's made their Flyer unstable? It wasn't

KR> weight & balance

I will check on the scales today. However, I will have to ship them both ways and only want to do that if we are "for sure" going to have the forum. I will also volunteer to be the pig, but I am sure there will be many who want to volunteer for this. So, Larry, let me know "FOR SURE" if this will

KR> weight & balance

And I should clarify the "900 pounds empty" comment. You really need your scales to go all the way to GROSS weight, in order to get exact locations for pilot, fuel, baggage, etc. If it's a tri-gear, the weight is distributed more equally between the three, and then we'd need three scales, rat

KR> weight & balance

I would not mind being the guinea pig, love get an updated weight. Rob Schmitt N1852Z On Aug 30, 2013, at 7:38 PM, "Mark Langford" wrote: > Dennis Dyer wrote: > >> is the weight and balance demonstration still in the plans for the >> Gathering? > > I will bring a 400 and a 500 pound sca

KR> weight & balance

Dennis Dyer wrote: >is the weight and balance demonstration still in the plans for the >Gathering? I will bring a 400 and a 500 pound scale with me to the Gathering, and we'll do a demo at whatever point Larry can squeeze in. We'll need a volunteer KR guinea pig for the demo. If the plan

KR> weight & balance

Dennis Dyer What I meant to ask is the weight and balance demonstration still in the plans for the Gathering?

KR> Weight.

t.org] On Behalf Of Robert7721 Sent: May-22-13 8:42 PM To: krnet at list.krnet.org Subject: Re: KR> Weight. My original KR2S weight was 600 pounds at inspection in 2006. I was pretty happy with that. Probably up to about 625 pounds by now. Max weight is 1100 pounds - that was calculated to keep

KR> Weight.

My original KR2S weight was 600 pounds at inspection in 2006. I was pretty happy with that. Probably up to about 625 pounds by now. Max weight is 1100 pounds - that was calculated to keep the C.G. from going aft of the limit - no other reason. VW Revmaster 2100 engine, just a header tank, no fla

KR> Weight.

N886MJ Final Empty Weight on 3-13-2005. Left Main Gear 284 lbs. Nose Gear 214 lbs. Right Main Gear 273 lbs. Total empty weight 771 lbs Gross weight was set at 1350. Max flown weight 1231 LBS (400 lbs pilot and passenger, 10 gallons fuel) give or take a pound or two. The plane flew like a charm w

KR> Weight.

750 with wing tanks, auto pilot, heavy canopy, lots of stuff and a Corvair engine. Heavy and quite stable. A nice airplane to fly cross country. W&B given that 4 is center, 0 is 4" forward, and 6 is 2" aft (most allowed) 188 pilot, 172.2 fuel = 1065 EW and 3.876 CG Add 135 passenger = 1200.2 EW

KR> Weight & Balance

781 pounds does exceed my self-assigned goal of 650 set many years ago. However, adding a 2180 VW, Diehl adapter and electric, mechanical fuel pump, oil filter, carb heat, cabin heat, Diehl skins, bigger spar, three batteries (main and two backups), extra airspeed and wet compass, ELT, panel mou

KR> Weight & Balance

roper W&B calculation for it. ?The actual gross weight can be determined later during flight testing. -Jeff Scott Los Alamos, NM > - Original Message - > From: Larry&Sallie Flesner > Sent: 05/22/13 07:25 AM > To: KRnet > Subject: Re: KR> Weight & Balance >

KR> Weight & Balance

f Sid Wood Sent: May-21-13 8:33 PM To: krnet at list.krnet.org Subject: KR> Weight & Balance Empty weight is 781 pounds; FAA calculated gross is 1178 pounds for a useful load of 397 pounds. With my tender body onboard the CG ranges from 12.4" full fuel to 11.2" Empty. S

KR> Weight & Balance

The FAA has a procedure where you put in "standard" pilot and passenger weights (170 pounds each), full fuel and max baggage on the weight and balance work sheet. The total weight is then your max gross weight. It is a calculated number. You also have to show that the CG is in the allowable

KR> Weight & Balance

At 07:58 AM 5/22/2013, you wrote: >The FAA has a procedure where you put in "standard" pilot and >passenger weights (170 pounds each), > full fuel and max baggage on the weight and balance work > sheet. The total weight is then your max gross weight.

KR> Weight & Balance

Well since you had the FAA do your inspection it doesn't do much good to argue, but that's not right. That's a minimum suggested way to do w&b, but the manufacturer (you) sets the "design" gross weight limits. Using the logic of you local FSDO I technically wouldn't be able to fly my single pl

KR> Weight & Balance

At 07:58 AM 5/22/2013, you wrote: >You also have to show that the CG is in the allowable design range >at that weight. + I'll buy showing different loadings remain in the CG range. I seem to recall that being the second "off the wa

KR> Weight & Balance

I wish they would update their standards.? The only 170 lb pilots are in Ethiopia.? I'm gonna fly over gross every time if they apply that to me. CW From: smwood To: krnet at list.krnet.org Sent: Wednesday, May 22, 2013 8:58 AM Subject: Re: KR>

KR> Weight & Balance

Completed a weight & balance on my tri-gear KR-2 today. Started from scratch and re-measured the wheel locations. The main wheels were 0.25 inch further forward and the nose was 0.5 inch further forward than from the numbers previously used. One explanation would be a new nose wheel strut. F

KR> Weight & Balance

At 09:32 PM 5/21/2013, you wrote: >FAA calculated gross is 1178 pounds for a useful load of 397 pounds. +++ Sid, Glad to hear you're making progress toward the next flight. Please explain "FAA calculated gross". I set the gross on my KR and I

KR> Weight canopy

KR-friends, We have finished the canopy.We are happy but I am a bit worry about the weight. We come with the locking mechanism, without paint at the outside . At a total weight 14+ pound. I think it is to much. Wath do you think. Stef Stef and Ted are building the KR-2S see ht

KR> weight question...

At 04:02 PM 3/20/2012, you wrote: >if the KR is approaching 150-200 mph, and if >control surfaces are not balanced, can't this develop flutter problems? >Gary Speed alone is not the only contributing factor to flutter. Many fast KR's do no

KR> weight question...

Absolutely. Ailerons must be balanced and if you have a very fast KR, so should the other control surfaces. In any case, it never hurts to balance them all. See N64KR at http://KRBuilder.org - Then click on the pics  See you at the 2012 - KR Gathering in Mt. Vernon, Il – MVN – 40th Anniversary T

KR> weight question...

t: Sunday, March 18, 2012 7:43 AM To: KRnet Subject: Re: KR> weight question... At 08:59 AM 3/17/2012, you wrote: >Does anyone know how much a finished rudder weighs? >Gary ++ Not much. A couple of pounds at most unless it is counter-bal

KR> weight question...

At 08:59 AM 3/17/2012, you wrote: >Does anyone know how much a finished rudder weighs? >Gary ++ Not much. A couple of pounds at most unless it is counter-balanced but few are. Why do you ask? Larry Flesner

KR> weight question...

Does anyone know how much a finished rudder weighs? Gary

KR> Weight Testing

At 05:25 AM 2/13/2012, you wrote: >The other adjantage of using a concentrated weight you can move is >determining the aft most controllable CG. There was a great set of >articles in KIT PLANES by Barnaby Wainfan on how to use stick force >per g and graph out and extrapolate the point of zero st

KR> Weight Testing

have and I'm sure Mark Langford would tell you that you don't want to be on the wrong side of that curve. From: Dan Heath To: 'KRnet' Sent: Sunday, February 12, 2012 10:11 PM Subject: RE: KR> Weight Testing Thank you.  We have a lar

KR> Weight Testing

From: Dan Heath To: 'KRnet' Sent: Sunday, February 12, 2012 9:06 PM Subject: RE: KR> Weight Testing That part is done, but that does not prove that it will fly correctly.  I would not put anyone in the passenger seat without knowing for sure that the plane would operate proper

KR> Weight Testing

Thank you. We have a large lake here where they practice diving. They may even have something they could rent to me. That may be what I am looking for. See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2012 - KR Gathering in Mt. Vernon, Il ? MVN ? 40th Anniversary Ther

KR> Weight Testing

Yes, that is why I am so concerned about it. However, the way mine is set up, it cannot get behind the seat. That does not mean that other bad things could not happen unless it is secured at least as good as a passenger would be. I think it is a scary and dangerous situation. See N64KR at http:

KR> Weight Testing

That part is done, but that does not prove that it will fly correctly. I would not put anyone in the passenger seat without knowing for sure that the plane would operate properly with their weight in that seat. See N64KR at http://KRBuilder.org - Then click on the pics  See you at the 2012 - KR G

KR> Weight Testing

..  Simple and easy to do..   Ron From: Peter Diffey To: gene timpson ; KRnet Sent: Sunday, February 12, 2012 6:36 PM Subject: Re: KR> Weight Testing A word of caution, I recall a few years ago a kr pilot was killed doing a test with ballast. I don't remember his name, but the presumed cau

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