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shutout31 · 06-17-2013, 04:19 PM

Out flying this morning and after a hard loop I heard an odd noise and started to loose power. Good thing I practice auto's on the sim all he time. I was actually proud of myself. I did a textbook one with a nice smooth landing. After inspection I found I stripped my main gear. I've heard this is pretty common with this heli. I did a search and found a couple threads about replacing the main gear with the Velocity 50 .8 gear. I had no problem finding those, but what pinion do I want to use? looks like maybe a 12 tooth? I have not been able to find one of those for my Scorpion motor, any ideas?

pctomlin · 06-17-2013, 08:54 PM

Which Scorpion do you have. I have a 14T on my 1100KV and a 12T on my 1390KV with the 129T Fusion 50 main gear. Helidirect has the 12T thru 16T in stock in 5mm shaft size. Look in the Fusion 50 parts pages.

shutout31 · 06-18-2013, 06:41 AM

I have the 1100kv...I'll check them out, thanks Paul.....

06-17-2013, 04:19 PM	#1 (permalink)
shutout31 Registered Users Join Date: Jan 2007	My first auto! ( not by choice) Out flying this morning and after a hard loop I heard an odd noise and started to loose power. Good thing I practice auto's on the sim all he time. I was actually proud of myself. I did a textbook one with a nice smooth landing. After inspection I found I stripped my main gear. I've heard this is pretty common with this heli. I did a search and found a couple threads about replacing the main gear with the Velocity 50 .8 gear. I had no problem finding those, but what pinion do I want to use? looks like maybe a 12 tooth? I have not been able to find one of those for my Scorpion motor, any ideas? __________________ Trex 450 Pro, Tarot 450 Sport, MCPX, MSRX Outrage 550, NEU motor, Skookum 540, Hobbywing Platinum 100, Outrage 550, Scorpion motor, CC Talon 90 ESC, GY520 Gyro, Edge blades All controlled by a DX8 TX

06-17-2013, 08:54 PM	#2 (permalink)
pctomlin Registered Users Join Date: Nov 2008	Which Scorpion do you have. I have a 14T on my 1100KV and a 12T on my 1390KV with the 129T Fusion 50 main gear. Helidirect has the 12T thru 16T in stock in 5mm shaft size. Look in the Fusion 50 parts pages. __________________ Paul Agile 5.5 - Q 4125-1100, YEP 120, Brain2 HD FBL / Outrage 550 - HK4020-1390, Edge 120, Brain2 HD Rave Ballistic FSO - Q 4530-500, Edge 160HV, Brain2 HD / Protos Max V2 - MSH 4530-500, Edge 160HV, Brain2 HD

06-18-2013, 06:41 AM	#3 (permalink)
shutout31 Registered Users Thread Starter Join Date: Jan 2007	I have the 1100kv...I'll check them out, thanks Paul..... __________________ Trex 450 Pro, Tarot 450 Sport, MCPX, MSRX Outrage 550, NEU motor, Skookum 540, Hobbywing Platinum 100, Outrage 550, Scorpion motor, CC Talon 90 ESC, GY520 Gyro, Edge blades All controlled by a DX8 TX

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