Thread: Discussion Walkera V120D05 - Belt driven !
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Old Oct 07, 2012, 08:20 PM
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IHW Heli Division
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United States, FL, Palm Coast
Joined Mar 2012
8,600 Posts
I had a crash today split my main hear hub while using the copper sheer pin. It had been splitting slowing on one side. But it split right in half during my crash. The copper, instead of sheering, wrapped it's self around the main shaft INSIDE the plastic hub, since it split in to spots it had enough room to wrap around the shaft and copper wire. The main gear did not break free so the teeth were flattened. I had to cut the center hub to remove the sheer pin and replace the gear. This was my first and only ruined gear since using the copper sheer pin.
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