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Full motion home flight simulator.
While I was researching pneumatic positioning systems I came across
this web site which may be of interest to rec.aviation.military. It looks like a German Kid who's putting together a full motion flight simulator as a cooperative 'open source project' that is affordable for a home user. http://www.cadsoft.de/people/kls/fltsim/index.htm This is some background on the technology : 6.5 bar (100psi) air has a great tradition for use in Industry because of its cheapness, clean nature and power. Several years ago the FESTO company brought out pneumatic positioning systems using a 5/3 way analog servo valve. With modern control electronics pneumatic servo systems can now position with full force against a disturbance to within an amazing 0.02mm. The analog servo valves cost about US$500 however by using normal 5/3 way solenoid valves and pulsing them (PWM pulse width modulation) almost the same accuracy (0.2mm) can be achieved for US$50.00 I predict incidentally that compressed air servo systems will replace hydraulics in many aircraft. Safety, economy and ease of service will promote that. |
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