After getting input from some vary smart people here on the board. ?I have
decided to rip my elivator control system out and start over.?
Looking at the Wicks catalog I'm vary overwhelmed of the selection and prices
?of control fittings.?
Does anyone have a good design of a pushrod that won't bra
Catching up on some emails from a week back.
What exactly is the perceived problem with elevator cables ?
If anyone feels the need to make long pushrods, then make them out of
pultruded carbon fibre - very light and much stiffer than 4130.
NACA ducts
They don't ram air, there has to be low pres
le to take a rod end be suitable?
The weight saving over T45 or 4130 would be significant.
Peter Drake
Hereford UK
- Original Message -
From: "Pete Diffey"
To: "KRnet"
Sent: Wednesday, October 18, 2006 1:30 AM
Subject: Re: KR> Pushrods and NACA ducts
> If any
Peter Drake wrote:
> Pete
> I am looking at using a pushrod for my elevator control. It is about 78"
> long.
> I can get carbon fibre tube 29.3mm od.
> Do you think that would be suitable or might I get away with a smaller
> diameter?
> Would the end connections made of steel tube inserts rivete
Dana Overall posted a complete list of the parts required to make a pushrod
the length required to reach the elevator in the back of his plane, which is
only about 6 inches short of my plane. Now I know that Mark L only went
part way, but you MUST consider the distance when making the pushrod. A
m
My push rod in my KR is 1-1/8 inch 4130. I sent a copy of the plans to Mark
Langford years ago, He MAY be able to supply a copy, but of course you would
Have to as Mark.
Phil Matheson
VH PKR
mathes...@dodo.com.au
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