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Old 11-28-2014, 11:39 AM   #1
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Default Orca RX3 motor

Is this motor (17.5t) ROAR approved? Just got one and want to install it in my TC6.2


Thank you
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Old 11-28-2014, 12:40 PM   #2
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Is this motor (17.5t) ROAR approved? Just got one and want to install it in my TC6.2


Thank you
Yep.
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Old 11-28-2014, 12:49 PM   #3
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Yep.
Are you sure?

It doesn't seem to be on ROAR's approved motor list.

The TX and RX2 are though
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Old 11-28-2014, 12:49 PM   #4
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Great!


So now, how do I prove to my local club that this is a ROAR legal motor?
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Old 11-28-2014, 01:05 PM   #5
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Yep.
Doesn't look like it is. Both versions of the current list don't have it on them. Maybe it has been submitted and approval is pending?

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So now, how do I prove to my local club that this is a ROAR legal motor?
Until ROAR puts it on the list and publishes it I wouldn't consider it approved so it will be hard to prove to your club. The list is what inspectors would have in hand for doing basic tech.
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Old 11-28-2014, 01:32 PM   #6
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Doesn't look like it is. Both versions of the current list don't have it on them. Maybe it has been submitted and approval is pending?


Until ROAR puts it on the list and publishes it I wouldn't consider it approved so it will be hard to prove to your club. The list is what inspectors would have in hand for doing basic tech.
It passed the inspection process back in Sept and ORCA has the email showing all that was passed. Its a matter of ROAR actually updating their site now which seems simple but evidently it takes an act of congress to do that!

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Old 01-21-2015, 10:11 AM   #7
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Any body got any feed back on the new motor?
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Old 01-21-2015, 12:03 PM   #8
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I've been running one for last 3 weeks and I liked it a lot. It was smelly the first few runs but never got hot (150+) don't think it was much if any better than the tx motor . But it's the spec handout motor for the amature class at the birds.
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Old 01-22-2015, 04:36 AM   #9
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Originally Posted by jlfx car audio View Post
I've been running one for last 3 weeks and I liked it a lot. It was smelly the first few runs but never got hot (150+) don't think it was much if any better than the tx motor . But it's the spec handout motor for the amature class at the birds.
What timing where you running on the end bell?
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Old 01-22-2015, 02:44 PM   #10
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Default Gearing

Hi do you have a good starting point on gearing
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Old 01-22-2015, 03:04 PM   #11
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I got my RX3 17.5 motor at this years IIC, it smelled like it was burning its guts out because the resin applied to the windings to keep cheaters at bay was not completely cured, but it wasn't hurting itself.

For timing, my motor checker showed that the motor wants to run at only about 35 degrees of total timing and any past that makes it go a little nuts in its amp draw with a big loss of torque and efficiency for very little gain in RPM. The 35 degree mark was right between the last and second to last hash marks on the endbell. I wish I had that motor checker at the IIC, because after turning the timing down and gearing at about 3.85 instead of higher timing and 3.93 the car picked up some noticeable punch in the infield.
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Last edited by DesertRat; 01-23-2015 at 11:49 AM.
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Old 03-16-2015, 02:30 AM   #12
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Does anyone know the part no. for the bearings in the RX3 4.5T / 5.5T motors?
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Old 07-07-2015, 03:20 PM   #13
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Quote:
Originally Posted by DesertRat View Post
I got my RX3 17.5 motor at this years IIC, it smelled like it was burning its guts out because the resin applied to the windings to keep cheaters at bay was not completely cured, but it wasn't hurting itself.

For timing, my motor checker showed that the motor wants to run at only about 35 degrees of total timing and any past that makes it go a little nuts in its amp draw with a big loss of torque and efficiency for very little gain in RPM. The 35 degree mark was right between the last and second to last hash marks on the endbell. I wish I had that motor checker at the IIC, because after turning the timing down and gearing at about 3.85 instead of higher timing and 3.93 the car picked up some noticeable punch in the infield.

hi this is exactly what i am looking for as this is the motor i have. regarding the timing from the zero point is it plus or minus 35 degrees of timing. on my local tracks i get told to run at 3.2 gearing but don't seem to have the speed as the other so the 3.8 is something to try
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