I have been thinking about some of the posts lately concerning building
practices which includes the type of materials used to construct your airplane.
I realize that these are experimental aircraft which means you can build them
from just about anything you want. We should also remember how muc
As you progress with your project you will gain much knowledge and your level
of skill will increase exponentially, you can kid yourself that everything is
OK or wake up with the cold realization that you should or shouldn't have done
something and end up with a lawn ornament. My first attempt a
My friend Larry makes some very good points. "experimental" does not mean do
whatever you feel like. It means apply rigorous research and testing to your
original work so that it is safe and exceeds identifiable standards of
construction. If you are not willing to do that research and testing
russ@mylist.net] On Behalf Of
bearlk...@aol.com
Sent: Thursday, August 24, 2006 11:46 AM
To: kr...@mylist.net
Subject: KR> COMMON BUILDING PRACTICES
My friend Larry makes some very good points. "experimental" does not
mean do
whatever you feel like. It means apply rigorous rese
Fred,
I was not bashing experimenters, but defending responsible experimentation. I
have seen abandonded projects that never flew because poor technique added up
to obvious disaster.
The planes that end up flying fly because the builders did good defendable
work.
Bob Polgreen
I'll bet you wont find any T-88 or any other glue holding RV wings or
anything else on the plane together.If you do run and run fast,because the
guy that built it is crazy.But for the KR all of the glues and resins people
are using seem too be working fine.Some just prefer one brand over
anothe
unces+fred=renotruss@mylist.net
[mailto:krnet-bounces+fred=renotruss@mylist.net] On Behalf Of
bearlk...@aol.com
Sent: Thursday, August 24, 2006 11:46 AM
To: kr...@mylist.net
Subject: KR> COMMON BUILDING PRACTICES
My friend Larry makes some very good points. "experimental" do
to learn high altitude landings
and takeoffs. Hahaha.
Thanks Bob!
Fred Johnson
Product Manager
T.E. West, LLC.
-Original Message-
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net] On
Behalf Of bearlk...@aol.com
Sent: Thursday, August 24, 2006 1:53 PM
To: kr...@mylist.n
7;s my
opinion anyway.
Thanks Larry.
Fred Johnson
Product Manager
T.E. West, LLC.
-Original Message-
From: krnet-bounces+fred=renotruss@mylist.net
[mailto:krnet-bounces+fred=renotruss@mylist.net] On Behalf Of Larry
H.
Sent: Thursday, August 24, 2006 2:08 PM
To: KRnet
Subject: RE:
As previously stated, I am building a Skybolt, not a
KR2. I rely on this forum for people who have great
experience with composites. It is the most informative
forum out there.
One example: I learned here that when using T-88,
squeezeout from the glue joint is necessary, and if
none then the jo
At 05:21 PM 8/24/2006, you wrote:
>I am currently building a wingtip bow using Gorilla
>glue. I am doing so because I laminated some capstrip
>yesterday with the stuff and tested to failure today.
>Results: the wood failed, not the glue.
>The only reason I used it on the bows was because of
>the cl
Where I have broken the tip off my wing in my recent force landing, about 8
inches of spar was damaged. I plan on scarfing the top and bottom spar
timbers and the 3/32 ply with a layer of 2oz cloth between them using
Araldite epoxy specially for timber (my brother and I have been using it for
30 y
Larry,
That is a very good idea. I guess that is like placing silk thread between
the two halves of an aircraft engine case to keep from squeezing all the way
together and squeezing all the bonding/sealing/oil container caulking out when
the two halves are bolted together.
Larry H.
Larry&Sa
Larry I think to are correct.
I had to remove the Diehl skins from my preowned KR2, the skins came off the
spar far to easterly for my liking. I rebuilt as per Dan's instructions,
wetting the rough sanded spars and good layer of flox, then finger fillets
along the spar to skin joint.
The main reaso
Embry Riddle used only SILK thread for that pourpose, Virg
On Thu, 24 Aug 2006 16:13:08 -0700 (PDT) "Larry H."
writes:
> Larry,
> That is a very good idea. I guess that is like placing silk thread
> between the two halves of an aircraft engine case to keep from
> squeezing all the way
I guess this is not a common building practice, but here goes.
When we, translated I, made the first bow for the turtle deck, Jerry had all
the strips of wood nicely cut and I put them together. What a mess, I'm
sure that Jerry could have done a much better job of it, but it did go
together and
Dan,
Take a look at the "Vision" It is an all composite built with hand layups.
Google search american vision aircraft) No wood or any other frame. The parts
you made were made by a "common building practice" used by foam
and fiberglass buiders for years. Rutan sent such construction into space t
I'm not going to profess at being an absolute expert on the subject here but
I'll express an apprehension here about using a layer of fibereglass cloth in a
glue joint. It has been my experience with a cloth and resin layup that it is
strong in tension and has some compressive strength but has n
Don, I will have to agree with you on this spar. I was thinking about it
cautiously after I read it and my gut feeling is that this would be a bad move.
Larry Flesners mention of cloth between layers struck a chord with me in that
if you had an area like the bowed wing tip having to be clamped t
Don, I will have to agree with you on this spar. I was thinking about it
cautiously after I read it and my gut feeling is that this would be a bad move.
Larry Flesners mention of cloth between layers struck a chord with me in that
if you had an area like the bowed wing tip having to be clamped t
At 11:29 PM 8/24/2006, you wrote:
> Why do Prop makers tighten their layers of wood together so
> tightly when making a prop if it is a bad idea ?
> Have you ever been in a prop shop. There used to be one near me
> here in Caddo Mills Tx and they used house jacks to tighten the
> wood toget
>"Why do Prop makers tighten their layers of wood together so tightly
when making a prop if it is a bad idea ?
>Have you ever been in a prop shop. There used to be one near me here in
Caddo Mills Tx and they used house jacks to >tighten the wood together
and left it that way until the resin/glue cu
At 09:44 PM 8/24/2006, you wrote:
>I'll express an apprehension here about using a layer of
>fibereglass cloth in a glue joint. It has been my experience
>with a cloth and resin layup that it is strong in tension and
>has some compressive strength but has no peel strength
Don Chisholm
+
My point of contention here is not whether it'll work or not work and in
Barry's case for the last 8 inches of the wing spar I'm sure the loads are
slight towards the tips and Larry using it in his canopy bows is in a non
critical area of the airplane. There are a lot of people looking in at t
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