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Old 01-27-2015, 01:40 PM   #1
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Default Trinity D4 1S

Anybody have any feedback on the new D4 1S motors? I was wondering how the 13.5 worked in 1/12th scale and the 17.5 on 2S in a TC.
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Old 01-27-2015, 02:37 PM   #2
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Originally Posted by patorz31 View Post
Anybody have any feedback on the new D4 1S motors? I was wondering how the 13.5 worked in 1/12th scale and the 17.5 on 2S in a TC.
Why would you run a motor designed for a 1s voltage with a 2s current?
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Old 01-27-2015, 02:44 PM   #3
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I have been told it is a short stack motor that gives more RPM while keeping most of the torque. I was hoping somebody here had run them already and could give some feedback
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Old 01-27-2015, 03:02 PM   #4
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Small plug for EA. Great service, communication and quick shipping. Didn't know what to expect on my first order and was pleasantly surprised by the whole experience. Thanks again!
Thanks! Glad you had a good experience!! Hopefully everything was good when you got it!!

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EA,

What is your current preference for a 13.5 motor for my WGT? Orca or D4? Looks like you still carry both.

Stockton RC Speedway at the fairgrounds location where the 2006 Carpet Nats happened is being resurrected next month. So, I have a carpet track to play on again.

Bill
Bill I think the D4 SS is going to be the best in all classes at the moment. Its been the fastest for me in TC and 12th scale so far.

Great to hear they are bringing Stockton back! That was always a fun place!!!

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EA, when will you guys get more Orca VX3 ESCs in stock?
Dan,

I will have them in on Monday!

Thanks
EA
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Old 01-27-2015, 03:43 PM   #5
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In the off road section we have been discussing this motor for awhile now. Some of the discussion may apply.

New Trinity Short Stack Motor legal for 17.5 buggy?
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Old 01-27-2015, 03:55 PM   #6
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Thanks Kraig, I never thought to look there for a motor designated 1S.....lol
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Old 01-27-2015, 05:06 PM   #7
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Yeah, EA recommended the D4 1s for 12th and TC for me. I haven't run either yet. Every motor I've ever purchased from EA has been KILLER fast so if he recommends it, I'm listening.
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Old 01-30-2015, 10:30 PM   #8
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I just received my D4 short stack today, and had it on a dyno. It definitely likes to rev, but the torque numbers are a bit down, even with the torque rotor. However, due to the high kv, you can run a smaller pinion and get all of the low end back and more. I'd like to see what an R1 looks like on a dyno for comparison.
The D4 is a light motor. ..16g lighter than my trackstar 160.2g vs 175.9g). I'll be running it in 17.5 blinky on Sunday. Curious to seehow it feels.
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Old 02-01-2015, 03:49 PM   #9
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Ran the motor today. It is definitely fast, but needs to be geared very low (numerically high) due to the high KV rating. I normally run 4.17 fdr with my trackstar motor and come off at 145deg. With the D4, I ran 4.67 fdr and still came off at 170 deg.
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Old 02-01-2015, 04:18 PM   #10
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How long is the straight at your track?
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Old 02-01-2015, 04:36 PM   #11
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Quote:
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How long is the straight at your track?
Short....55 feet. The numbers I posted mostly just demonstrate how different the gearing requirements are between the D4 1S and a more typical motor.
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Old 02-01-2015, 06:32 PM   #12
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Short....55 feet. The numbers I posted mostly just demonstrate how different the gearing requirements are between the D4 1S and a more typical motor.
Thanks for the info.
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Old 02-01-2015, 07:06 PM   #13
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I haven't ran mine in the TC yet, but I know a few have been having a lot of success with them.

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Old 02-01-2015, 07:44 PM   #14
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I just ran the 13.5T in my GT12 today and it was amazing. Smooth low end grunt with no sacrifice in top speed. GT12 is 1/12 scale, 1S, @ 950grams.

1S is just the designation for the short stack motors, 2S is good to go.

20g lighter then the Reedy Mach 2 it replaced!
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Old 02-01-2015, 08:38 PM   #15
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So I got my short stack stator from fantom yesterday. And re-built my D4 motor. Instructions that came with item recommends dropping 3 teeth from long stack to short stack and tune from there. Really excited to run the motor, just by feel and listening it rev on the bench seems awesome. Hopefully I'll have more info next week.
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