Re: [RCSE] Bird of Time spoilers

2001-02-23 Thread Andrew E. Mileski

tony estep wrote:
 
 JR 241s have enough torque for this application,
 according to Blaine Beron-Rawdon's linkage-design
 spreadsheet. They fit a lot easier in a thin wing than
 do the 341s. Kevlar cord doesn't stretch and can be
 glued inside a Sullivan cable-end fitting to provide
 adjustment via a clevis on one end of the cord; the
 other can simply be knotted in place.

The only problem with Kevlar cord is that you can't push it.
Sullivan cables work great for avoiding springs and things.

--
Andrew E. Mileski
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Re: [RCSE] Bird of Time spoilers

2001-02-23 Thread tony estep

Andrew is right. You can't close the spoilers by
pushing on a string. I close my spoilers with magnets
(available at Radio Shack). The whole setup is
somewhat heavy and old-fashioned but very easy to
build and absolutely foolproof to adjust. The spoilers
close exactly right every time with a satisfying
click, and nothing ever gets out of whack.

--- "Andrew E. Mileski" [EMAIL PROTECTED] wrote:

 The only problem with Kevlar cord is that you can't
 push it.
 Sullivan cables work great for avoiding springs and
 things.
 
 --
 Andrew E. Mileski
 RCSE-List facilities provided by Model Airplane
 News.  Send "subscribe" and "unsubscribe" requests
 to [EMAIL PROTECTED]


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