Natedog
I wanna be Dave
Oh nice, under battery tray mount with the Castle esc looks great and low COG, glad to hear both ESCs you used are smoother! Do you have the original motor/pinion that you could check the teeth count? The HR 0.5 Module pinion/spur setup does look nice and beefier (I counted 8/32 ratio from online pictures of the HR setup). 

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