Stef,
With N6399U (RAF48 airfoil, stock plans) I referenced a best glide speed of
about 80-85mph solo, and about 85-90mph with two aboard. This gave me a glide
ratio of “about“ 9:1.
I am not sure what the glide speed/ratio would be on a KR2S with the AS504X
airfoil, but I suspect it would be
Netters,
I have a (single) MOFOCO Cylinder Head that I am trying to get rid of. Has dual
12mm Spark Plug holes. Conventional (not stainless steel) valves. Passed a
leak down test (with water), but could use some TLC.
Has about ~200 hours on it.
You would have to order another one from MO
My condolences to his family, and I will certainly keep him in his thoughts
and prayers. His airplane definitely looks like a work of art, and it is
not surprising that he won the awards that he did.
Very Respectfully
Sam Spanovich
On Wed, Aug 2, 2023 at 12:40 PM victor taylor via KRnet <
krnet
Similar to Roger, I have been plagued by the Cheng Shin Lamb 11-400x5 tires
going flat for unknown reasons, even with the 8 ply tires.
My KR is 650 lbs empty, takeoff solo is about 925 lbs, Max gross is 1150;
almost every 6-12 months on the dot, I would get a flat tire with almost no
indicatio
The net seems fairly quiet, so I figured I would give some supplemental info on
another set of VW heads that are not covered under Mark Langfords page of VW
heads. I posted about these heads a couple weeks ago, asking about machining a
second spark plug, but never gave an update, so here we go.
Happy Independence Day to all! Hope each and every one of you have a wonderful
day, get some flying in, eat some hamburgers and hot dogs, watch some
fireworks, and spend time with the families!
V/R
Sam
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Question for all the VW guru’s out there regarding dual spark plug setup,
specifically with AA Volkswagen cylinder heads.
After one year of use with single ignition (the same ones that made it across
the country with me for the gathering last year), I recently took my AA heads
in to get them m
Luis, congratulations! That is one smooth sounding engine! I was tickled when
I noticed that you were using the SDS CPI ignition as well!
Would you mind discussing where you mounted the Hall effect sensor for the
three ignition magnets? I ended up drilling three holes into the flywheel and
My first time flying my KR2S was back in 2018, about a week after I purchased
the plane and towed it on a trailer to its home in Mississippi. This was
fairly early on in my flying career (~200 hours or so) and I certainly was a
little intimidated at the new bird. After all, the KR2 is known t
You betcha! Born and raised for 25 years :D
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
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John,
I own a KR2S up in Whidbey Island WA, about two hours north of Seattle. Please
give me a text/call 304-276-2756, or email me personally at spanovich008 at
gmail.com
Very Respectfully
Sam Spanovich
N6399U
74S, Anacortes WA
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https://seattle.craigslist.org/skc/avo/d/auburn-corvair-engines-100-obo/7257938803.html
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Larry,
My “reasoning” is simple; In my plane, regardless of with a passenger or not,
if straight and level.the second I extend the speed brake, for whatever
reason, my plane decides to pitch up a decent amount.
To counter this, I need a considerable amount of nose down trim, otherwise
Hey Joe
N6399U has a belly board installed. While I don’t know the “exact” dimensions
of it off the top of my head, it is probably 10-12” in length, and the width is
basically the entire underside of the aircraft.
Mine has holes in it as well, which doesn’t seem to reduce its effectiveness at
Folks, with the assistance of many of you on the site, my trim issue is fixed!
For reference; my trim system is operated by tightening/loosening a cable that
runs from the cockpit to just aft of the pilots seat, where it is connected to
a rotating metal lever. From there, the lever moves a dif
Major Congratulations! Look forward to seeing it in action one of these days!
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
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Wow, thank you very much for the quick replies;
While I have not looked at the problem or system in detail (will get to it
Friday or Saturday work permitting), I can say from the few times I have looked
at it, the trim tab is connected to a cable (nothing special, just a normal
every day cable
Hey guys; this weekend if the weather cooperates I am going to try to correct
an issue that I’ve had for quite some time now.
It seems that my elevator trim is not doing its job properly. Whenever I am
flying by myself, the plane will nose over slightly when I release the stick,
even with full
Congratulations! That is quite an accomplishment, and is one terrific looking
airplane! Hope to see you out in the skies sometime!
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
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I hope I’m not stepping on anyone’s toes, having not built my own aircraft,
however knowing what (little) I know now, here are a few areas I would look for
on a KR;
1) Overall Condition - how does the airplane look overall? Are there obvious
defects and cracks in the fiberglass or is it as smo
Sorry, I should have clarified that. My empty weight is around 650 lbs, I
weigh about 190 lbs, and I had 9 gallons of fuel on board, so about 54 lbs. My
takeoff weight was around 894, so right around 900 lbs.
V/R
Sam Spanovich
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Recently, I had to change my oil cooler, as my old (plated) Revmaster oil
cooler had cracked. Not wanting to wait a week for shipping, I went to Auto
Zone and bought a Tube/Fin design, and for all intents and purposes, it fit
perfectly. Nearly the same size as the Revmaster, so all I did was zip
Since there has been some discussion recently on propellers, I figured I
would post the results from my test flight yesterday using John Bouyea's
old 56"x56" Sterba propeller, and compare it with my two previous
propellers.
Quick Background: Since my engine rebuild this past summer, I have tried
Mr. Shaffer, I sent you an email regarding the propeller. Let me know if you
received it. If not, feel free to email me at spanovich...@gmail.com
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
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Very great read John, always nice to hear about new KR aircraft making their
first flights in the sky.
Pete and Chuck, if you’re reading this, congratulations on the new aircraft!
Only real “recommendation” I have, would be to look into a little less
propeller; 2700 RPM for a VW conversion
Moral of the story...
Fly a tri-gear.
Just kidding, but I couldn’t resist. :D
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
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John hit the nail on the head; keep on flying, and keep on building! Days like
today are truly what flying is all about, and created some good memories for
the two of us!
Me and John met up in Ocean Shores WA, a very nice little airport (minus fuel)
right along the Pacific Coast, about 100
Hey there Anthony, and welcome to the KR world! If you’re looking for a plane
that is cost effective, efficient, fast, and pretty reliable for the most part
(more of a function of the builder/engine), you could not find a better
airplane. You’ll find that most “stock” KR-2S’s can do about 120-1
My KR2S is drastically different than yours in terms of power plant; I’m
running a ~80 HP Revmaster 2100D with a fixed pitch 54”x54” wooden prop.
For me, Vy ~ 80 mph and Vx ~ 70 mph. However I almost always climb out at 100
mph which gives more cooling to the engine.
It sounds like our numbe
Just wanted to wish everybody a Happy 4th of July! Whether you’re taking a
celebratory flight or XC in your aircraft, cooking out and socializing with
friends, or doing nothing at all and just enjoying the day off, I wish you
nothing but the best and have a terrific day ahead!
*Raises Glass*
Seeking a Revmaster 4-1 exhaust for the Q2 (not the KR2), the kind that has the
plumbing towards the front of the engine, and then exits the lower left portion
of the cowling. If anyone has one of these, I would be willing to make an
offer.
V/R
Sam Spanovich
N6399U
74S, Anacortes WA
> On Ju
Welcome to the group Ron! I can also attest that this is by far the most
supportive forum/group I’ve ever been a part of. Some of the members on here
have been in the KR2 crowd for 20-30 years and will help you out in any way
they can. I myself am not a builder, but I purchased my 2S back in
John, thank you very much for posting those pictures!
V/R
Sam
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Folks, I solved my alternator problem today. Was a rather unusual fix, but
it solved my problem for a very low price (only about $50), and I can't be
more happy about that.
Background: 2100D alternator not charging shortly after engine rebuild. I
initially suspected my voltage regulator was bad
As some of you probably know by now, I love geeking out and researching many
things KR related (although sometimes I feel I can’t make “actual” repairs and
modifications to save my life).
That said, this topic is very interesting to me, and I will certainly do my
part and research what I can t
I’ve ran two different propellers on my 2100D. The first one was a Culver
54”x48” (diameter x pitch), and was a decent prop. It gave me about 3100-3200
RPM static with a stock engine. However while the climb rate was outstanding
(almost 900-1000 fpm sustained when solo), the cruise speed was no
Luis, I am very sorry to hear about your surgery, and I seriously cannot
imagine the difficulty you must be going through during your recovery. I may
be nearly 2000 miles away from Dallas TX, but please let me know if me or my
wife can help you in any way whatsoever.
However, I am happy to h
As soon as I saw your post, I was hoping so bad you did not experience the same
thing I just did back in April, when my Bendix D3000 threw a mag. I really
would hate for you to go through as much trouble as I did getting my plane back
up in the air.
Glad it was simply a switch, and that all
I can’t speak for the entire route, however looking at it on Skyvector, I would
HIGHLY recommend stopping at KMEI in Meridian Mississippi (~450 NM from
Orlando) as your first stop. They have very reasonable fuel prices and amazing
food inside their FBO. Fresh hot dogs, fruit, pizza (if you get
Get ready for another long read, because after fighting one obstacle after
another, I finally managed to get the plane airborne today with the new
upgrades, and all I can can say iswow, was I impressed with the
engine. See below for details.
I won't beat a dead horse on the events leading up
Guys, I stand before you a very very confused individual, and am really hoping
somebody might have a solution to help me get this bird back in the air.
After installing the engine back in N6399U (after my rebuild), I started her
up, and then noticed my alternator circuit breaker popped. When t
At last, I finally got the engine rebuilt, and back into the airplane. The
good news, the engine runs, and it runs good! (see details below). The bad
news, I did not get a chance to fly yet due to my Rectifier/Regulator
failing (always something), therefore my alternator circuit break kept
poppin
Mike, I completely agree with you about having a bigger, coarser pitched prop
in order to take bigger chunks out of the air. I originally started out with a
Culver 54” x 48” (diameter x pitch) propeller, and while it climbed terrific,
it’s cruise speed left much to be desired. I now run a Ster
Oscar,
I've tested the cruise True Airspeed on my KR many times by using a
cardinal heading, measuring the Ground Speed (GS), making a 180 degree
turn, taking the GS again, then averaging the two together (not exact, but
close enough for government work). For me, I haven't noticed a significant
d
A while back I posted regarding my Bendix D3000 magneto going out on me in
flight (R-side only). Long story short, it ultimately boiled down to
paying $1200-1400 to get the magneto an IRAN (not overhauled) or paying
just over $900 to buy a brand new dual ignition SDS electronic ignition
system. A
Recently while flying last Sunday my Bendix D3000 right magneto decided to quit
working on me. I haven’t pulled the unit yet however after checking with
several different magneto service stations, I’m looking at around $900 at a
minimum to get it back up and running, not including the shipping t
I am running a RevFlow Carburetor on my Revmaster 2100D with a 12 gallon header
tank. I have owned the plane for almost two years and the carburetor has never
even gave me as much as a hiccup. It is also very ice resistant and has never
iced up on me once.
The downside to the RevFlow, howeve
Wow Joe, so many things wrong with the Cessna pilot’s actions. Not only is
that a blatant disregard for aviation safety by actually CREATING a Runway
Incursion on his part by putting both himself and you in danger, but then to
actually have the nerve to take off when you’re more or less still o
Oh if I was on the East Coast right now, this would be MINE! Haha.
https://www.ebay.com/itm/Revmaster-2100D-Aviation-Homemade-Airplane-Plane-Kit-Engine/293515246729?hash=item4456df3c89:g:J-oAAOSw1jJecS45
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Okay, thank you all very much for the informative and quick replies. I don’t
think I am going to rebuild the wings, however one of these days when I start
building my own airplane, I will certainly go with the new airfoil.
I know this post added virtually nothing to the conversation, however I
I am curious if this is even possible, let alone a good idea. I’ve heard
nothing but good things about the new airfoil wings, and certainly wouldn’t
mind having them on my existing KR, however I am curious if they can be ran
without modifying the inner stub wing utilizing the RAF48 airfoil. So
I’m running a Sterba 54x54 prop on my Revmaster 2100D. Stock (plans built,
100%) KR2S, empty weight is ~650 lbs. RAF48 airfoil and wheel pants. I’m
running a Revmaster 2100D with Mofoco 041 heads, so basically in between the
big valve/stock KR2S (intake valve is slightly larger).
Single pers
For all the builders out there, what is the best way to get started on
building the boat? Is it 100% necessary to order a kit from somewhere
(Aircraft Spruce, Wicks, etc.) or can the entire plane be assembled
completely from scratch? I'm planning to build my fuselage approximately
6" wider than t
Does anybody happen to have a Great Plains 4-in-1 exhaust system (or similar)
for a TRI-gear KR2S laying around that they would consider selling? If so,
please shoot me an email and/or a price.
I am in the middle of designing my own for my Revmaster 2100D, however my time
is getting very limi
Oscar, do not get discouraged, we have all been there done that when it
comes to radios. While there are certainly measures we can take to be the
best, most professional radio operators we can be, small gremlins here and
there just come with the territory. I sincerely doubt there has ever been
a
Since there hasn't been much chat, I guess I'll bite.
Without making this my own personal blog, after getting a lot of
encouragement from my wife, who reminded me how much enjoyment the little
flying machine has brought me, I have decided not to sell N6399U. I must
say, I am very lucky to have so
I know I may regret this later on, especially after I’ve really gotten into the
KR2S community so recently, but due to a fairly surprising financial situation,
I must sell the old bird and truly do what’s right for my family.
If you call or PM me, I can give you pretty much the entire history o
I dreaded this moment (Jan 1st, 2020) when I purchased my airplane almost 18
months ago, but fortunately the mandate did not stop me from becoming a KR
owner. Now, with the deadline approaching, I’m just looking for some opinions
out there on adding ADS-B out.
Here’s where I stand; I do not t
Anybody know anything about these engines, or whether they’d be a good fit for
a KR?
I looked up the Viking Engines website and on one hand, the performance seem
decent, but on the other I’d be on edge running a little Honda engine at
4000-5000 RPM for the duration of an entire flight. That ju
I've decided it is time to start looking into building my very own KR2S, or
at the very least, start the planning stage. I understand this process is
going to take a hefty chunk of my life, however even at my relatively young
age, I am certainly not getting any younger.
I have read a fair amount
Count me in Sir!
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Definitely will be flying somewhere, just not sure where. The weather here in
WA is supposed to be great this weekend.
If anybody is in the Portland OR, or Seattle WA area, and would like to
meet/gather somewhere for a $100 lunch/dinner, I am game. I just moved here
about a month ago, so I’m
Haha, I guess when you put it like that it doesn’t sound that impressive.
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We’re all looking for more speed, right? Well, below are my results regarding
my speed increase from home-made wheel fairings and also a little bit of elbow
grease.
Background: N6399U, Revmaster 2100D, RAF48 airfoil, 100% plans built, Sterba
54x54, empty weight 636 lbs.
I have always had whe
I’m not sure when these came out, but I never even knew these existed. Might
be a good Christmas present this year for those wishing to upgrade their heads
from stock.
One turn off I did have with CB is they no longer offer the dual spark plug
option in their shop. Not a problem if you are
I haven't posted a lot on the subject, but back in April 2019 I replaced my
stock heads due to a crack between the valves (typical VW crack). After a
lot of research and consideration, I decided on the MOFOCO 041 heads. I
was mainly attracted by how there is still a bit of meat between the
valves
In order to gain a little more power, I am considering upgrading to 94mm
pistons/cylinders, as well as upgrading the camshaft in my Revmaster
2100D. Doing so will yield the following setup.
1) 94mm Pistons/Cylinders (Displacement of 2165 cc vs 2074 cc)
2) CB 2232 or CB 2280 Camshaft
3) MOFOCO 041
Also, please ignore the "Revmaster Upgrade" in the title; was going to ask
some questions regarding some simple power upgrades for the R-2100D, but it
can wait for another time!
On Mon, Jul 15, 2019 at 7:20 PM Samuel Spanovich
wrote:
> Anyone interested in a small gathering @ 23M (Clarke Co., Qu
Anyone interested in a small gathering @ 23M (Clarke Co., Quitman MS) on
August 3rd 2019?
Been meaning to post for a while now, however the Navy has been keeping me
very busy the past couple months. I am now in the final stages of training
(but by far the most demanding) with only 10 flights left
Just wanted to say thank you all who gave me the great pointers on the
condition inspection. It was performed yesterday by a great A&P and the plane
passed basically with flying colors (no pun intended). I was quoted at $600,
however after the A&P realized how simple the plane really is, he low
With my cylinder head conversion for 12mm spark plugs and magneto
conversion to run automotive spark plugs both complete, I no longer have
use for my 14mm plugs or my Great Plains automotive plugs adapters.
For Sale: Asking $100 for everything, but am willing to negotiate.
8x NGK 14mm 1/2" Reach
Just curious if anybody has recommendations for a (first time) condition
inspection. This is my first one with N6399U (will be performed next
week), and while I have an idea of what to expect, I don't know "exactly"
what to expect. My biggest worry is having an A&P come down and go "oh
this (inse
I just found out yesterday that I will be traveling to Jacksonville FL from
May 17th-19th for work. Therefore there won't be a gathering next weekend
either.
If I find room for another weekend I'll post back on here. Until then, to
all of you, good luck with your KR's and safe flying. If you ev
Fellows, due to inclement weather, the gathering for this weekend will be
cancelled. For those of you who made plans to attend, thank you very much,
yet I apologize for the terrible weather this weekend is offering.
Let's reschedule for next weekend, May 18th 2019 1100L. As of now, the
weather l
With less than a week out, I figured I would make another post regarding the
small gathering planned for next weekend.
The airport identifier is 23M - Clarke County, in Quitman MS. I will be
getting there around 9-10am cleaning up the plane and my hangar and getting
everything ready for you f
Congratulations! I can only imagine the excitement that you felt when the
plane shot off into the sky for the first time! Excellent video as well!
Sounds like others have addressed this, but my 2S (essentially plans built)
is slightly nose heavy and requires full nose-up trim with just myself (a
I will be having a small gathering on Saturday May 11th, 1100 at 23M (Clarke
County AirPort in Quitman MS). I would like to invite everybody reading this
down for a great day of flying and meeting up with your fellow KR-ers.
There is not a crew car at the airport, however there is a small FBO
That strip is pretty close (~130 NM) from my current location, and is very
close to NAS Whiting Field and NAS Pensacola where the Navy trains their
student aviators in the T-6B and student NFOs in the T-45C. I am very familiar
with the area and would love to come down and visit sometime on a we
If some of you remember I posted a while ago regarding a "chugging" problem
with my Revmaster 2100d ("Calling All Revmaster Owners"). I have been
hesitant to report back on here without a clear answer to what was wrong
because I didn't want to waste anybody's time posting until I had a
definite an
Before I get into the main point of my message, I would like to shout out
to Ed Sterba at Sterba Propellers. I received my brand new 54" x 54" for
my Remaster 2100D, put it on, and took N6399U for a ride. With my Culver
54" x 48", I had decent climb out but only averaged about 104-105 knots at
a
I’m down for Jackson or Bolivar TN if you all go there for lunch tomorrow.
Been looking for an excuse to take a long XC for some time.
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> On Feb 1, 2019, at 11:00 AM, krnet-requ...@list.krnet.org wrote:
>
> Send KRnet mailing list submissions to
>krnet@list.krnet.org
>
Also, in regard to the "Radio Problems", my Radio in N6399U went out
(failed mid flight coming home from Hattiesburg MS). Was going to ask
politely, if anybody has a recommendation on a good replacement radio. I
currently have an TKM MX11, and was just going to order another unit,
however if ther
Hello all, I apologize for the slow reply back, but I've had a busy week
this week. To everybody who welcomed me to the community in the last post,
thank you so much to all the support, and I will personally get back with
each and every one of you here shortly!
_
Hello all, I normally do not post very much on internet forums, however I
figured what the heck since I am now a KR2S owner and have read nearly
every KR-email thread out there.
Firstly, my name is Samuel Spanovich: 28 years old. I grew up in
Morgantown WV, but currently reside in Meridian MS. I
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