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Model Forum / Radio Controlled / Air Models / June 2008



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It Flies!  Tee Hee!

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Tim Wescott - 29 Jun 2008 06:06 GMT
Cap 232, control line.

27 inch wing span 'cause Dick Sarpolis has some that size in Flying
Models.  Babe-Bee reed valve 049 with all the performance mods I can
load on it, including diesel, 'cause a model that size is _way_
underpowered with a reed valve 049 (Sarpolis used Tee-Dees; I've never
owned one so I was blithely unaware that the difference was so great).

I just had the first truly successful flights on this airplane, and it's
only been six or seven years since I built it!  Most of that time has
been spent scheming on a good low-buck way to get more power on it
(putting on an 061 or 074 would just be cheating).

It's still definitely a gentle flyer -- don't do stunts, and don't fly
in the wind, but do have fun with it!

So I've flown real control line for the first time in a couple of
decades, and my 15 year old son just had a good non-video-game blast
flying it, too.

Now if my 9 year old ever forgives us for not letting him fly, we'll be
fine...

Signature

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html

willhaney - 29 Jun 2008 06:51 GMT
Swee

--
willhane
MJKolodziej - 29 Jun 2008 20:06 GMT
> Cap 232, control line.
>
[quoted text clipped - 18 lines]
> Now if my 9 year old ever forgives us for not letting him fly, we'll be
> fine...

I bet the little guy could handle the Wizard. 56' lines, outboard wing
weight and auto up.  It was a blast.
mk
Ed Cregger - 29 Jun 2008 20:52 GMT
>> Cap 232, control line.
>>
[quoted text clipped - 22 lines]
> weight and auto up.  It was a blast.
> mk

------------

How are you getting the auto up to work? A pendulum connected to the
elevator?

Ed Cregger
MJKolodziej - 29 Jun 2008 21:11 GMT
>>> Cap 232, control line.
>>>
[quoted text clipped - 29 lines]
>
> Ed Cregger

Rubber band.
mk
Ed Cregger - 30 Jun 2008 13:13 GMT
> Rubber band.
> mk

Now I'm really confused.

How does the rubber band implement up elevator?

Ed Cregger
Morgans - 30 Jun 2008 13:54 GMT
> Now I'm really confused.
>
> How does the rubber band implement up elevator?

Escapements, right?  You are old enough to have flown them, aren't you? <g>

Either that, or the RC pilot got hit in the a.s by a rubber band, got
startled, and gave it full up elevator! :-)
Signature

Jim in NC

Ed Cregger - 30 Jun 2008 15:01 GMT
>> Now I'm really confused.
>>
[quoted text clipped - 5 lines]
> Either that, or the RC pilot got hit in the a.s by a rubber band, got
> startled, and gave it full up elevator! :-)

-------------

Yep, I've owned a few escapements myself, all compound. Even owned a couple
of F&M single channel receivers in my time.

For some reason, I thought a control line model was the topic of discussion.
Oh well.

Ed Cregger
MJKolodziej - 30 Jun 2008 15:16 GMT
>> Rubber band.
>> mk
[quoted text clipped - 4 lines]
>
> Ed Cregger

There is a thin rubber band tied to the bell crank, in it's contracted state
it pulls a little up on the elev. but it's flimsily enough that you can
control the plane when the lines are taut. It also had rubber bands on the
landing gear and motor mount and of course, right rudder built in.
mk
willhaney - 30 Jun 2008 17:45 GMT
Any pics

--
willhane
Tim Wescott - 30 Jun 2008 19:39 GMT
> Any pics?

It's way too ugly.

(OK, maybe I'll snap some).

Signature

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html

 
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