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This thread is privately moderated by Jack Crossfire, who may elect to delete unwanted replies.
Nov 16, 2008, 06:18 AM
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ESC overclocking

Looks like all quad rotors have to overclock their PWM way above the usual 50Hz. Mikrocopter uses I2C to get still higher update rates. The answer is yes. Suppo/Super Simple ESC's can do 100Hz, but it requires shrinking the resolution. The standard resolution only goes to 60Hz.

Nonlinear feedback curves, lighter propellers, higher gyro bandwidth, & higher frequency PWM has all contributed a bit to stability. It's never going to be as stable as an articulated rotor.

In today's video, U can see the rate is damped enough for a human to hold the angle, but the stick response is prone to violent rotation.

Quad rotor rate damping 2 (1 min 35 sec)

Forget about having enough money for any new parts in November. The Suppos R what U get.
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Nov 16, 2008, 10:31 PM
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i wonder if you can make a quad model for water?

could you make a quad model for a boat with a crane to prevent it from tipping over?

All the best,

Jeff - [email protected]

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