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Old 04-21-2017, 01:56 AM   #1
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Default Hobbywing Justock G2 - 13.5 (XY309950)

Anyone got some info abut this beside what you can find in its (very) brief instruction manual?
This is the "handout" version adopted in some clubs for stock racing.

What I would like to know is the internal timing, some dyno info if anyone has something like that, etc.

This is just to get a feel for the motor before I head out for the track with it (gearing suggested in the manual seems way off for my track, but who knows what the manual means by "large" track?).
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Old 04-21-2017, 02:16 AM   #2
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Quote:
Originally Posted by niznai View Post
Anyone got some info abut this beside what you can find in its (very) brief instruction manual?
This is the "handout" version adopted in some clubs for stock racing.

What I would like to know is the internal timing, some dyno info if anyone has something like that, etc.

This is just to get a feel for the motor before I head out for the track with it (gearing suggested in the manual seems way off for my track, but who knows what the manual means by "large" track?).
This year's TITC at RC Infinity track, Bangkok Thailand, for 17.5T non boosted class, this was one of the blinky ESCs that were allowed for the class and which I have used. We geared our 17.5 V10 G2 at 3.1-3.0 FDR as per advice of HW support. Track was huge, outdoor and asphalt. We used 2 fans for the motor though and the fan that came with the ESC.

You could google it for reference, the track I mean. hope this helps.

Last edited by alecladanga; 04-21-2017 at 02:28 AM.
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Old 04-21-2017, 04:15 AM   #3
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I was asking about the motor, not the ESC.
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Old 04-21-2017, 05:21 AM   #4
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With a 5,0 gearing it's very similar to a LRP X20 17.5T with 4,0 gearing. It's not really a powerful motor, but it ain't supposed to be one.

The motor has a very badly placed screw in the front, which limits the way you can mount it in a car. On a T4 it has to be turned so that the sensor cable is on the bottom facing forward. I've seen guys mounting it otherwise and not even noticing their top deck is being lifted by the screw.

Completely new ones seem to turn noticeably stiffer than those which already got some run time.
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Old 04-21-2017, 06:28 PM   #5
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I read they recommended an FDR of 4.0 - 4.1 for the XRS round in Sydney (SMA) with this motor.
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