RC F-14

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Enzo Matrix - 09 Feb 2008 10:09 GMT

http://www.youtube.com/watch?v=_RoJ25xyrjE

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Enzo

I wear the cheese. It does not wear me.

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kim - 09 Feb 2008 12:57 GMT

> http://www.youtube.com/watch?v=_RoJ25xyrjE

A push-fit cover on a machine capable of flying at hundreds of miles an
hour. That's just asking for trouble.

(kim)

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Rufus - 09 Feb 2008 18:38 GMT

>> http://www.youtube.com/watch?v=_RoJ25xyrjE
>
> A push-fit cover on a machine capable of flying at hundreds of miles an
> hour. That's just asking for trouble.
>
> (kim)

NOt to mention that he model has a much higher than scale thrust to
weight ratio than a full scale Tomcat, as evidenced by it's takeoff
performance...but most R/C models do...

...I'd like to know more about the swing wing mechanism, and it's
structure. It sort of looks like it's pneumatically actuated...bleed
air and a plenum, or a pump-up tank, like most R/C landing gear systems.

Anyway they did it, it works, and that pretty cool just in and of itself.

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- Rufus

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Pat Flannery - 09 Feb 2008 21:29 GMT

> NOt to mention that he model has a much higher than scale thrust to
> weight ratio than a full scale Tomcat, as evidenced by it's takeoff
[quoted text clipped - 5 lines]
>
> Anyway they did it, it works, and that pretty cool just in and of itself.

They must slide something around inside the aircraft to change the CG as
the wings swing.

Pat

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Rufus - 09 Feb 2008 21:49 GMT

>> NOt to mention that he model has a much higher than scale thrust to
>> weight ratio than a full scale Tomcat, as evidenced by it's takeoff
[quoted text clipped - 10 lines]
>
> Pat

That, and/or it auto trims the stabs...I'd expect the later. I wouldn't
expect the CG to travel that much.

...but I'm more curious about the mechanics of the swing-wing than the
flight controls - like how it's powered. I know you don't get unlimited
gear swings with pneumatic R/C gear systems - you pump them up and then
can run out of air just like you do with a paint ball gun - so I'm
wondering if the same holds for the wing mechanism, if it is air driven.
I also wonder if it can do wings AUTO like a full scale one, or just
EXT, MID, and AFT. I'd think it would need to be electrically driven
for AUTO operation without running out of air...unless they're using
some bleed air and an accumulator, which would be even neater.

The mechanics look pretty slickly constructed in the bit that's visible,
anyway.

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- Rufus

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Pat Flannery - 09 Feb 2008 21:17 GMT

> http://www.youtube.com/watch?v=_RoJ25xyrjE
>

You can't tell from that if he can swing the wings all the way back or not.

Pat

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Model Forum / General / Models / February 2008

RC F-14