[simpits-tech] Re: Mounting of AI

Gene Buckle simpits-tech@simpits.org
Tue, 12 Mar 2002 15:19:58 -0800 (PST)


By the way, you can cure your noise problem by buying a cheapie USB
joystick, gutting it and hooking its guts to your flight controls.  You
can then use the joystick port for your toe brakes.

g.



On Tue, 12 Mar 2002, Gene Buckle wrote:

> > I go back and actually LOOK at the pictures I posted - ah! you mean the
> > brand of servo I'm using. The servos I'm using are from a couple of
> > auctions. I have about 20 servos in a box in my basement. All types, brands,
> > styles and connectors. The IAS is driven by a World, the AI by a pair of
> > Futaba's.
> >
> World Engines used to make a pretty good low-cost product.  I don't even
> think they're building gear anymore.
>  
> > Ken: Servo update speed is not ideal. I figure I'm getting about 4 updates /
> > second. However, I'm only driving 3 servos at the moment. At 3 characters /
> FYI, to do it "right", you should have no more than 150ms (that's
> milliseconds) delay between control input and observable change in both
> the avionics and the flight model.  That 150ms reaction time must occur
> with in reaction time of the real thing.  
> 
> For instance, say you begin a roll manouver(Sp).  The AI in the real
> aircraft will begin to show a change within 500ms of your commanded
> change.  Therefore your simulated AI _must_ begin to show a change within
> 750ms of your command input.  Nasty, eh? :)
> 
> g.
> 
> 
> 
>  -- "I'm not crazy, I'm
> plausibly off-nominal!" http://www.f15sim.com - The only one of its kind.
> 
> 
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-- 
"I'm not crazy, I'm plausibly off-nominal!"
http://www.f15sim.com - The only one of its kind.