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Old 01-14-2013, 12:49 AM
  #842  
rbarciko
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Join Date: May 2012
Location: Victoria, Australia
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Originally Posted by BigRon
I've noticed that the 21.5 motor of choice is the Reedy Sonic. Is that motor considered to be the best of the allowed spec motors? Just curious.
The reedy sonic is pretty popular here, not only in F1 but also in the touring car class because they are completly rebuildable (http://www.teamassociated.com/reedy/parts/details/940/)


Here is a list of 21.5 motors currently available along with their KV rating (taken from internet sources including manufacturers websites at time of writing):

ROAR approved 21.5 motors:

Viper R/C VST 1500 KV
Speed Passion Competition V3 “1 cell” 1700 KV
Team Orion Vortex VST Pro Stock 1750 KV
Novak Ballistic 1800 KV
Reedy Sonic Stock Spec 1851 KV
Speed Passion Competition MMM 2000 KV
Team Epic D3 “Monster Horsepower” ROAR Spec 2000 KV
Tekin Redline 2100 KV

Non-ROAR approved motors:

LRP X12 1700 KV
Team Epic REVTECH ROAR Spec 2500 KV
Trinity D3.5 2800 KV

(as a comparison the Novak Ballistic 17.5 is 2200 KV)

source = http://www.rcformula1.com.au/index.p.../106-rules-faq
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