Re: Taxiing before first flight. (long editorial)


Bob Farnam <bfarnam@...>
 

Larry,
I see what you are talking about. Next step would be a paper doll sim of the
action as David suggested. I'm not sure the rudder response should be
"exponential", maybe only the tailwheel steering response.
Bob F.

-----Original Message-----
From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com]On Behalf Of
Larry Hamm
Sent: Friday, October 20, 2006 10:14 PM
To: Q-LIST@yahoogroups.com
Subject: Re: [Q-LIST] Taxiing before first flight. (long editorial)


Nope. Bob just wanted the sudden flash of insight, so I haven't gotten
it down on paper yet. If I didn't describe it well enough, I'll do a
sketch for now.
Larry Hamm

Steve wrote:

> Hey Larry, Have you got a drawing of your bellcrank??
>
>
> Steve Ham
>
>
>
> -- Original Message -----
> From: Larry Hamm
> To: Q-LIST@yahoogroups.com
> Sent: Friday, October 20, 2006 4:54 PM
> Subject: Re: [Q-LIST] Taxiing before first flight. (long editorial)
>
>
> Bob,
>
> Install a bellcrank a la the JB6, but with a twist.
>
> Fab a disk with a cable guide groove on the edge, sort of like an
> automotive throttle advance on the side of a carb or throttle body. This
> disk should be oval shaped, with the long axis pointed at the rudder.
> The rudder cables are connected at the end closest to the cockpit, and
> run down each side of the disk. This disk is attached to the top of the
> bellcrank. As the bellcrank and disk turn, the rudder cables see an
> increasing radius and turn the rudder faster. That will give you the
> exponential response you're looking for, I believe.
>
> Clear as mud??
>
> That's the "Hamm" mod to the JB6. (If it works!)
>
> Larry Hamm
>
> Bob Farnam wrote:
>
> >I would really like to have what the RC guys refer to as
> > "exponential" control, where the response is low in the center part of
the
> > travel, but increases at full rudder input. Easy to do with an RC
> > transmitter which has it builtin, but I haven't yet figured out a
simple and
> > durable mechanical way to make it happen. Anyone have a sudden flash
of
> > insight?
> >
> > Bob F
> > EAA Flight Advisor
>
>
>
>
>
>
>
>
>
> Quickie Builders Association WEB site
> http://www.quickiebuilders.org
>
>
> Yahoo! Groups Links
>
>
>
>
>
>

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