[simpits-tech] Phidgets for sale?

[Gene Buckle]

On Fri, 15 Jul 2011, dabigboy at cox.net wrote:

>
> ---- Roy Coates <roy at flightlab.liv.ac.uk> wrote:
>> On 14 July 2011 19:31, <dabigboy at cox.net> wrote:
>>
>>> Wow, now I don't feel like such a Phidgets junky. :) What are you doing
>>> these days that requires so much Phidget-ing? Haven't seen an update from
>>> you for a while
>>>
>>
>> Currently working primarily on a PA38 sim using the cockpit from one that
>> did a "bang and go" instead of a "touch and go"  :)
>
> Ahh yes, a Traumahawk. From your instrument description, I'm guessing 
> you are using "hacked" servos and potentiometers to measure the position 
> of needles that need more than the meager 180* or so that servos usually 
> provide? I'm facing the same situation, but I recently found out about 
> winch servos that do 2, 4, or even 8 full turns before stopping. The 
> main problem is acquiring them, the only small ones I found are Chinese 
> specials (ostensibly GWS) on ebay for around $30. If/when I can get 
> some, this will probably be my route. Of course for non-limited 
> instruments like the HSI and (sorta) the altimeter, I'll need to use 
> geared steppers, or just stick with my current glass-cockpit setup for 
> these instruments. My only "real" instruments at the moment are the 
> airspeed indicator and the turn coordinator, the latter being from a 
> real plane.

You should check out Building Simulated Aircraft Instruments - it covers 
the Big Six very well.  The Altimeter is pretty easy to build as well.

g.

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