ON-resistance

Old 01-15-2004, 04:50 PM
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Default ON-resistance

Looking at the new Quantum competition 2 it shows a "typical voltage drop @ 20amps as .013v. Is this comparable to the on-resistance #'s thats advertised for other speedo's? The original quantum comp shows .00045 and novak gt7 .00058. I think those #'s are ohms.
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Old 01-15-2004, 11:13 PM
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Use Ohms law; U=R*I, that is, voltage=resistance*amps.

The original quantum comp: 0,00045 * 20 amps = 0,009 volt.

The other way around: The new quantum: 0,013 / 20amps = 0,00065 ohms.

Maybe we've found the reason for LRP to change their way of spec'ing an ESC

Personal I find we're talking about minor marginals, but it might of course depend on the level of competition. But it's nice to see that my 7.1 still can compete: 0,00052 ohms.
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Old 01-16-2004, 12:22 AM
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Thanks for the info. I'm still happy with my [email protected]
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Old 01-16-2004, 12:24 AM
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Originally posted by tomdav
Thanks for the info. I'm still happy with my [email protected]
So true. Once you get a good speedo, you can have a lot of fun and races for years, without having to upgrade.
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