KR> Weight Testing

2012-02-12 Thread Ronald Wright
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 properly with their w

KR> Weight Testing

2012-02-12 Thread Dan Heath
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

2012-02-12 Thread Dan Heath
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> fuse skins

2012-02-12 Thread robert gill
Robert GillHi, I have a question about the best way to surface and level the ply fuse skins aft of the cockpit area without adding to much weight, the skins have bowed inward up to 3/8" in some ares particularly just under the top stringer, should I glass the skin first with deck cloth then us

KR> Weight Testing

2012-02-12 Thread Dan Heath
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> 40th Anniversary Gathering

2012-02-12 Thread Mark Jones
I just looked at the pre-registration for the Gathering and see we only have 12 KR's committed to fly in so far and only 21 people total have registered. Come on guys, what's up with that. We need 40 KR's minimum. Time is getting near as we only have 228 days till the Gathering. It will be here

KR> Weight Testing

2012-02-12 Thread Ronald Wright
Just do it all on a set of scales without ever going flying.  Move the weights around and do all the calculations you want to with no danger of crashing..  You can even add/drain fuel to expand the range..  Pick a bunch of friends of different sizes/heights/weights and load them all in..  Simple

KR> Weight Testing

2012-02-12 Thread Peter Diffey
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 cause was a ballast bag getting loose and ending up in the tail section -- Sent from my Android phone with K-9 Mail. Please excuse my brevity.

KR> Weight Testing

2012-02-12 Thread gene timpson
You might try a local dive shop and see if they will loan you some dive weights. They come in rigid form which slide onto a nylon belt which can be secured with your seatbelt. There are also soft weights which may be easier to put in some kind of bag. The lead will be small in size to get the we

KR> Weight Testing

2012-02-12 Thread Dan Heath
I have the passenger moment, as you said, given the same size and proportioned person, it is the same as the pilot. Actually, I used two others along with me and averaged the moment to come up with the passenger station. Now, that certainly won't be the same as the artificial weight, but I will j

KR> Weight Testing

2012-02-12 Thread Larry&Sallie Flesner
At 11:36 AM 2/12/2012, you wrote: >Thanks, but what weight? What can be secured? > >Again, the WHAT and HOW to secure it, is the issue that I cannot get an >answer to, even from the RV community that we have here. Sand bags sold to

KR> Weight Testing

2012-02-12 Thread whitea...@comcast.net
Dan:  Your stall speed can be calculated (well, estimated) without flight tests by looking at the basic formula:  L = W = 1/2 rho V^2 x S x Clmax .  Without going into too much detail, the W (weight) in this formula affects the stall speed linearly.  The RR website lists the KR2 stall speed as

KR> Weight question...

2012-02-12 Thread whitea...@comcast.net
Phill :  I recommend you find another place to save weight.  It's important to build the structure according to the plans.  The KRs have a good reputation for being structurally robust, so good that many builders routinely fly them overweight.  You are to be commended for wanting to save weight,

KR> Weight Testing

2012-02-12 Thread Jeff Scott
If you're not comfortable with flying at 1200# to start with, work your way up to it using 20 or 25# increments. Doesn't matter what you use for weight as long as you can secure it. I would suggest duct taping whatever ballast you use inside a trash bag, then strapping it into the seat belt or p

KR> Weight Testing

2012-02-12 Thread Dan Heath
Thanks, but what weight? What can be secured? Also, stall tests. I don't do stalls. They scare the crap outa me. I bring it to the "mush" point and that is good enough for me. Again, the WHAT and HOW to secure it, is the issue that I cannot get an answer to, even from the RV community that

KR> Weight Testing

2012-02-12 Thread Larry&Sallie Flesner
At 07:05 AM 2/12/2012, you wrote: >So my question to all you who are currently flying your KR and have >established your Gross Weight, how did you test for that weight? ++ Add weight, say 20 pounds at a time, and make a test

KR> Weight question...

2012-02-12 Thread Larry&Sallie Flesner
At 10:33 PM 2/11/2012, you wrote: >Just asking Larry. I've seen both techniques and just wondered. ++ The only way to get an answer is to ask the question. :-) Larry Flesner

KR> Weight Testing

2012-02-12 Thread Dave_A
Sandbags strapped into the co-pilot seat spot, full fuel & a full 35lb suitcase (or whatever your baggage limit is) in your baggage area is probably the most realistic method I can think of I bought a program called 'winn balance' to do my initial W&B stuff, when I get to that point... It c

KR> Weight Testing

2012-02-12 Thread Dan Heath
I believe that to satisfy your gross weight, you must test the plane to that gross weight along with a W&B of the plane at the time of the test. I still need to test my plane to the 1200 # gross weight that I have arbitrarily set for it. I tried to go to the EAA site for help, but they have so ma