Author Archives: Dan

About Dan

For a complete biography, stop by www.danmarx.org and click around for a while.

Speed 480 BB Race is a Bust

I did a static run of the new motor with the new ESC and within 3 minutes of running the motor began smoking and the RPM’s began to drastically drop. Another minute or so later and the battery was dead. … Continue reading

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Fixed the ESC with a 260A FET

My parts from Digikey arrived yesterday (after only 2 days) so last night I spent an hour soldering up everything into the receiver unit and it works great! Of the 5 FETs I bought, I tried out the IRL3713 FET … Continue reading

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The Inner Workings Hobbyzone’s ESC Unit

Since I fried the speed controller portion of the receiver module on my Super Cub, I figured I would see if I could fix it first before I just buy a whole new unit. There’s a single TO-220 package FET … Continue reading

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Fried the ESC After 4 Minutes, But What a Flight!

I just got back from flying the Super Cub with its newly outfitted Speed 480 BB Race motor and for the first 4 minutes it was amazing. The plane flew through the air with authority and power. I could just … Continue reading

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Graupner Speed 480 BB Race Into the Super Cub

Okay, so all this calculating and measuring and messing around with drills, pots and motors ultimately leads to one thing – the final installation of the Speed 480 motor into the Super Cub. A motor that boasts a whopping 3893kV … Continue reading

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Homemade Tachometer

I thought of another way to more accurately measure the true RPMs of the drill I was using to measure the kV of the stock motor on the Super Cub. Instead of measuring another motor whose kV I assumed to … Continue reading

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