[NSRCA-discussion] Carbon wing tube question

[mike mueller]

 That's lucky. My guess is that the plane will have a long productive life now. Mike

Mike Hester <kerlock at comcast.net> wrote:  Ditto that method.

Actually I only use 1/2 the piece of PVC and a dab of JB weld. Light and 
tight.

Now I'll fess up to something that might brand me one of the luckiest 
dummies in pattern.

On the second day of test flying my brand new scratch built Black Magic V2, 
I made about 5-6 flights, all P-07 with a ton of practice 1 1/2 down snaps. 
A total of about 90 minutes of flying.

When I went to take the plane apart, the screw was sticking out of the 
bottom of the wing....I had forgotten to screw it in. I just reached down 
and pulled the wing off.

So if you think there's any stress on that little screw, think again. The 
pulling force is barely noticable. However if that plane hadn't been brand 
new, it would have been catastrophic.

So that's my free "oops!" for the year. Just goes to show don't put too much 
into that screw, it's overkill, trust me.

-Mike

----- Original Message ----- 
From: 
To: "NSRCA Mailing List" 
Sent: Tuesday, May 02, 2006 10:00 AM
Subject: Re: [NSRCA-discussion] Carbon wing tube question


> John
> I use pvc pipe. Cut a 1/2 inch piece that is just bigger than the tube, 
> then
> cut a slot lengthwise so it will compress and push it into the end of the
> pipe. Align with hole in the wing and drill and tap for 4-40.Done
> If the tapped hole wears out just rotate the pvc and redrill and tap 
> again.
>
> Jim Ivey
> ----- Original Message ----- 
> From: "John Pavlick" 
> To: "NSRCA Discussion" 
> Sent: Tuesday, May 02, 2006 1:12 AM
> Subject: [NSRCA-discussion] Carbon wing tube question
>
>
>> Guys,
>> I'm fitting a new carbon wing tube into my Focus to replace the original
>> aluminum one. Just wondering the best way to set up the threaded holes in
>> the ends. I've seen nylon inserts, hardwood, all kinds of stuff. I'll
>> probably just go with hardwood inserts because that's what I have on hand
>> unless I hear of a better way (suggestions please). How should I align 
>> the
>> grain in relation to the threaded holes if I use the wood inserts?
>>
>> John Pavlick
>> http://www.idseng.com
>>
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