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Old 02-05-2013, 09:10 AM   #1
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Default Motor 17.5t boost class

I need to buy a new engine 17.5t.
Looked at the topics on the forum, but I have not found a definitive answer.
My ESC is a Tekin Rs
I need a very fast engine in the car on road.
I'm thinking:

Dualsky Z5 17.5t
Reedy Sonic 17.5t
Trinity D3.5 17.5t
GM Pro metal 17.5t
Orion VST Pro 17.5t

Which engine best, fastest?
Thank you in advance for your reply.
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Old 02-24-2013, 10:20 AM   #2
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Old 02-24-2013, 10:29 AM   #3
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D3.5
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Old 02-24-2013, 11:07 AM   #4
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Orion vst. Have my motor with 3.09 fdr boosted without fan and about 130f after 10 mins. You'll enjoy it
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Old 02-24-2013, 11:21 AM   #5
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Someone uses on road dualsky Z5 17.5t, it is very cheap and praised by players, mainly I need speed on asphalt tracks
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Old 02-24-2013, 11:42 AM   #6
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+1 reedy sonic. though with time to figure out your esc, any of the motors would probably work just fine. i have a outlaw D3, Redline Gen 2 rpm, Reedy sonic and all of them are on similar pace in 17.5 boosted 12th scale, just slightly different rs profile.
d3 i boost through the entire rpm range, where the tekin and reedy like boost starting around the midrange.

havent had a chance to try the d3.5 or orion but i seem to keep up to those motors just fine with any of my motors.
I will say this though, ill be looking at other escs to try out. the tekin has a ton of rip but doesnt seem to have the grunt some of the others do. some of our guys are running the new orca and that thing has noticably more grunt. so its not all in the motor you choose.
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Old 02-24-2013, 12:14 PM   #7
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We race here with 140F track temp, D3 and D3.5 have no problems handling lots of boost and high temperatures.

I sold my Tekin RS when I couldn't keep up with a $70 dollar HW esc (60A), speedwise.

May have been just me, but escs do play a role also.
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Old 02-25-2013, 07:24 AM   #8
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still am interested in the opinion on dualsky rides anyone?
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Old 02-28-2013, 07:29 AM   #9
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nobody use Dualsky 17.5?
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Old 02-28-2013, 08:02 AM   #10
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Perhaps if the motor doesn't need to be ROAR approaved you could consider a turnigy trackstar 17.5T motor, they are identical to reedy (even the parts are interchangable, but i'm not sure about that) and they are sold for almost a 1/3th of the price for a reedy motor.
I have tested that motor and it runs fast and cool (even with full motortiming) and it's great value for money.
I have also a Turnigy trackstar 10.5T into my 1/12th car and at my club there are 3 other guys who have installed a turnigy trackstar motor in their 1/12th cars.
I think the best part of this brand is when you would burn up the motor you just buy another one and still haven't payed as much as 1 reedy or other more known motors

check out the trackstar brushless motor thread here on RCtech.

It's just my opinion
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