KR> composite kr, Very sorry - meant to be private mail

[ttcse/Tom]

...

KR> Composite KR

[ttcse/Tom]

Hi Charles, 
 
Morphing a Dragonfly toward a KR2 is also what I have in mind.I haven't 
decided on a header tank but I would have hollow wings with fuel-tanks in the 
inboard leading edge.   The LongEz and Cozy have fuel-tanks in the strakes and 
use a different foam in that area which doesn't behave badly when exposed to 
leaking aviation fuels.  In addition to Dragonfly plans, I have plans for both 
these canard aircraft too and followed their mail-lists for years but decided 
they're not for me.   I also have the foams and fiberglass for a Cozy which I 
would utilize.   
 
I suspect there are others out there with the same inclination. 
 
Tom
 
 
 
 


--- On Mon, 10/25/10, Charles Smith  wrote:


From: Charles Smith 
Subject: KR> Outboard fuel tanks
To: kr...@mylist.net
List-Post: krnet@list.krnet.org
Date: Monday, October 25, 2010, 12:42 PM


Watching this discussion of fuel tanks closely.  I have built a Dragonfly 
(hasn't flown yet) and found the construction technique to be fast and easy 
(you have to be fast when applying epoxy).  However, I want to start over with 
a conventional design that fits the requirements of E-LSA.  I would like to use 
the same construction techniques used in the D-fly but do not know what the 
parameters or results of putting a hollow space inside of a foam core wing 
would be but think it might be doable as wing tip tanks, just hollow out the 
outermost 'x' inches of wing and use it as the tank, the least stress place in 
the wing. I am looking at the KR design as the basis for this plane and soaking 
up any ideas I can run across to help me out.  Perhaps external tip tanks a la 
T33?  I am aware that foam dissolves in gasoline..
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