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Old 10-18-2008, 01:43 AM   #1
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Default Trinity BL Motors

Hi,

I've just bought two DUO BL Motors for use on my on road cars. The appear to have adjustable timing however the instructions included with the motors appear to be for these motors.

The end plates on these motors have nine screw holes grouped into three around the edge of the plate, the main screws that come through from the output shaft end screw into these holes.

Am I correct in assuming that these three holes allow for timing adjustment?

My other question is what is the down side of advancing the timing? The instructions say that I can advance the motor to 20deg.
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Old 10-18-2008, 05:44 AM   #2
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Originally Posted by nerdling View Post
Hi,

I've just bought two DUO BL Motors for use on my on road cars. The appear to have adjustable timing however the instructions included with the motors appear to be for these motors.

The end plates on these motors have nine screw holes grouped into three around the edge of the plate, the main screws that come through from the output shaft end screw into these holes.

Am I correct in assuming that these three holes allow for timing adjustment?

My other question is what is the down side of advancing the timing? The instructions say that I can advance the motor to 20deg.
Yes those 3 sets of 3 holes are for timing. 0, 10, and 20 degrees. Advancing the timing will increase the RPM and shift the power band of the motor. You will loose some torque by increasing the timing as well but its not as much of a loss as it would be with a brushed motor. I always run the DUO motors in the middle hole. The ONLY place we have found that the 20 degree hole works well is in oval.

EA
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Old 10-18-2008, 05:52 AM   #3
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Originally Posted by EAMotorsports View Post
Yes those 3 sets of 3 holes are for timing. 0, 10, and 20 degrees. Advancing the timing will increase the RPM and shift the power band of the motor. You will loose some torque by increasing the timing as well but its not as much of a loss as it would be with a brushed motor. I always run the DUO motors in the middle hole. The ONLY place we have found that the 20 degree hole works well is in oval.

EA

Great thanks EA. Do you find the motors run hotter with more timing?
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Old 10-18-2008, 07:02 AM   #4
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Yes the motors run much hotter with the timing advanced all the way.

We have done alot of testing and the middle hole is the best for tc.
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Old 10-18-2008, 07:43 AM   #5
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Yes the motors run much hotter with the timing advanced all the way.

We have done alot of testing and the middle hole is the best for tc.
Is this for a certain # of turns ?
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Old 10-18-2008, 03:45 PM   #6
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Is this for a certain # of turns ?
10.5 and 13.5 for sure
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Old 10-19-2008, 01:28 AM   #7
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thanks guys.
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Old 10-19-2008, 07:45 AM   #8
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what about for 17.5 thanx i was thinking of switching to a duo motor.
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Old 10-20-2008, 10:20 PM   #9
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Curious my 17.5 has the adjustable timing yet my 13.5 doesn't? Both are Trinity motors
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Old 12-22-2008, 06:08 PM   #10
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Yes those 3 sets of 3 holes are for timing. 0, 10, and 20 degrees. Advancing the timing will increase the RPM and shift the power band of the motor. You will loose some torque by increasing the timing as well but its not as much of a loss as it would be with a brushed motor. I always run the DUO motors in the middle hole. The ONLY place we have found that the 20 degree hole works well is in oval.

EA
Just to clarify, different escs do add different timing, so in general how much total timing to run the 13.5 DUOs at?
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Old 12-22-2008, 06:12 PM   #11
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Curious my 17.5 has the adjustable timing yet my 13.5 doesn't? Both are Trinity motors
You read my mind.My 13.5 is the same...Only one set of holes.Can anyone shed some light on this?THanks,Mario.
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Old 12-22-2008, 06:49 PM   #12
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The original non-ROAR-legal DUOs had no timing adjustment. These should have cans matching the color of the endbell.

The ROAR-Legal newer DUOs feature adjustable timing and a silver can. Same color coding as before(green=10.5, blue=13.5, red=17.5).

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Old 12-23-2008, 05:52 AM   #13
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The original non-ROAR-legal DUOs had no timing adjustment. These should have cans matching the color of the endbell.

The ROAR-Legal newer DUOs feature adjustable timing and a silver can. Same color coding as before(green=10.5, blue=13.5, red=17.5).

Matt Murphy
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I see.Thanks.Mario.
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Old 01-12-2009, 12:10 AM   #14
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Ok guys I have read this and I am a newbie to these motors....I have one of these in my associated 12r5, but I dont understand how to adjust it or what I should adjust it to.

any suggestions?
thanks in advance
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Old 01-16-2009, 09:29 AM   #15
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Going to use DUO 17.5 on up coming race, may I ask what is a good final drive for using on indooar carpet racing? And what temp? I am using it on Mi3.5 with Speed Passion GT V1.1...with software timing turning all the way up. And I think I would leave the mechanical timing on the motor in the middle position just to play safe..thanks.
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