At 04:36 PM 2/8/2009, you wrote:
>I guess Ken Rand didn't know what he was talking about then, even though
>his plans are still for sale... And Burt stopped selling his plans
>decades ago, so I'm thinking he knew what he was doing.
++
Un
Rnet
Sent: Sunday, February 8, 2009 7:49:58 PM
Subject: Re: KR> Blue foam
We have this debate every couple of years, and I believe I've learned from a
previous discussion that there is more than just one type of "blue foam".
One is polystyrene, and fuel will dissolve it quickly.
We have this debate every couple of years, and I believe I've learned from a
previous discussion that there is more than just one type of "blue foam".
One is polystyrene, and fuel will dissolve it quickly. I believe there is
another type that will not, but it's more of an open cell stuff, maybe
Well, that is my opinion. I like a safety margin for things that do go
wrong. From my experience, leaks in the fuel tanks / systems do happen.
-dave
Mark wrote:
>So does this mean that I can use the "blue stuff" for the turtle deck,
>cowling, horizontal and vertical stabilizer and the outer win
gast, CISSP
>Sent: Sunday, February 08, 2009 4:36 PM
>To: KRnet
>Subject: Re: KR> Blue foam
>
>I guess Ken Rand didn't know what he was talking about then, even though
>his plans are still for sale... And Burt stopped selling his plans
>decades ago, so I'm thin
> If I had it to do over I would use
>the blue foam (hot wired) for all the flying and control surfaces. I think
>that would prevent most of the delaminations we see with the urethane foam
>surfaces.
I used the blue foam in my tail surfaces. After hours of sanding I swore off
the blue foam and
mylist.net
[mailto:krnet-bounces+markwegmet=charter@mylist.net] On Behalf Of Dave
Arbogast, CISSP
Sent: Sunday, February 08, 2009 4:36 PM
To: KRnet
Subject: Re: KR> Blue foam
I guess Ken Rand didn't know what he was talking about then, even though
his plans are still for sale... And Bu
I guess Ken Rand didn't know what he was talking about then, even though
his plans are still for sale... And Burt stopped selling his plans
decades ago, so I'm thinking he knew what he was doing.
That's the nice thing about experimental - we are all free to do as we
please. I have a friend wit
Dave wrote: "Now, if it was a glider or only had the header tank, yes Blue
would be good."
You neglecting the fact that every Vari and Long Eze ever built has blue
foam wings that are adjacent to the tanks built in the strakes without any
catastrophic effects that I know about. If I had it to do
Blue works better for long cuts with the hot
wire tool, on tail surfaces where you are shaping
from a larger profile to a smaller profile over a
short span it cuts the small profile faster than
the large profile and it's impossible to get a
good cut but on the wings it works great and
on the stub
I ended up using the 1/2 inch pink to get a surface of exact thickness. A
series of lines scribed parallel with the spars. Then they were gently bent
to airfoil contour as they got a small dab of hot melt to hold them
temporarily in place. The inside contour was perfectly smooth and required
no fur
I am missing something here are you talking about fitting Diehle RF-48
skins to the new airfoil? or what?Thanks
Jim
No! Manufacturing your own version for the new airfoil
Doug
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