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Old 07-05-2008, 08:15 PM   #346
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Well I bought a Hacker 13.5 today

This thing is sick, matches my cyclone perfect, and is really quiet


Where should I gear this thing? Im running on a pretty big track, im thinking just run the same gear I did with my Novak? At 4.6?

thanks
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Old 07-05-2008, 08:24 PM   #347
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Well I bought a Hacker 13.5 today

This thing is sick, matches my cyclone perfect, and is really quiet


Where should I gear this thing? Im running on a pretty big track, im thinking just run the same gear I did with my Novak? At 4.6?

thanks
I think people usually gear the Novak motors a little more. I would drop down a couple of teeth and check temp and go from there.
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Old 07-05-2008, 08:27 PM   #348
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I think people usually gear the Novak motors a little more. I would drop down a couple of teeth and check temp and go from there.
I was under geared with my Novak though, people at Reedy were gearing them at like 4.4-4.2

But I will watch temps close, cant afford to burn it up lol
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Old 07-06-2008, 02:37 AM   #349
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how do the hacker e40 series motors line up to say the speed passion/ fiegao/ orion etc... brushless motors?
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Old 07-06-2008, 08:08 AM   #350
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In front of them on the grid ;>
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Old 07-06-2008, 08:03 PM   #351
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Denver, something else to check is the bearings in the car. My Vintage Trans-Am with the 17.5 has started to show more Temp and slowed down. Pulled all the bearings in the car and found two that were crap!!
Thanks for the advice. At first I was convinced thats what it was.. but it rolls like a champ. I even went through and cleaned/replaced all bearings. Also tested my Novak 10.5 to rule out speedo and drivetrain and it was no problem. I order a couple new rotors last week and a backup 13.5 so once they get here I will know for sure.
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Old 07-06-2008, 11:13 PM   #352
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how do the hacker e40 series motors line up to say the speed passion/ fiegao/ orion etc... brushless motors?
Quiet & fast, ubelivable, but even motors with paper more KV and more power are weaker and slower, really great motors. Only problem that magnets fall down sometimes
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Old 07-08-2008, 11:05 AM   #353
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Received the new rotors yesterday. So I went to the track to test. Same thing. Didn't help a bit still hot (210) and sluggish. I guess now I have to send them in for repair? What will that cost? Maybe it is time to junk them and get some now motors before I spend $100 each on fixing these.

Also again to confirm I stuck my Novac 17.5 in with same gearing and came off at 130. So I know it is the motor.
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Old 07-08-2008, 11:44 AM   #354
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I know the losi and the Hacker are not the same motor,,,if that correct. But notice in the spec's Hacker states very low cogging and Losi states no cogging... Would this effect the temperature and perfomance?
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Old 07-08-2008, 12:02 PM   #355
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I know the losi and the Hacker are not the same motor,,,if that correct. But notice in the spec's Hacker states very low cogging and Losi states no cogging... Would this effect the temperature and perfomance?
You obviously haven't seen my pics in this post comparing Losi and Hacker.

http://www.rctech.net/forum/showthre...44#post4447344

All your reading is marketing. If the marketing material between the two were 100% identical, they would seem too much alike.
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Old 07-08-2008, 12:03 PM   #356
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Received the new rotors yesterday. So I went to the track to test. Same thing. Didn't help a bit still hot (210) and sluggish. I guess now I have to send them in for repair? What will that cost? Maybe it is time to junk them and get some now motors before I spend $100 each on fixing these.

Also again to confirm I stuck my Novac 17.5 in with same gearing and came off at 130. So I know it is the motor.
Have you confirmed that the timing ring did not move at all, therefore advancing the timing? A new rotor should have cured the problem if it was a weakened magnet. Otherwise, I would suspect timing or bearings in the motor.
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Old 07-08-2008, 12:35 PM   #357
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I checked the bearings and cleaned and lubed them. They seem good. (from what I can see) So you think my timing ring may have advanced. So to check/fix I need to loosen the three screws on the back of the motor and then try and rotate the back of the motor. < This correct?
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Old 07-08-2008, 01:25 PM   #358
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I checked the bearings and cleaned and lubed them. They seem good. (from what I can see) So you think my timing ring may have advanced. So to check/fix I need to loosen the three screws on the back of the motor and then try and rotate the back of the motor. < This correct?
Yea, but mark where the timing is now. Next, loosen the three screws, then gently turn the timing ring each direction (shouldn't move more than about 1/4" in either direction) and mark the full advanced and retarted positions, then compare to where timing is currently. I think most BL motors are 4-deg advanced from the factory, so it should be turned slightly further clockwise.
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Old 07-08-2008, 03:11 PM   #359
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Ok it looks like it was about 1/2 way so I moved it back about 1 so I will go to the track and test and post in the morning with my results. If it is still not right I will play with the timing at the track and see what I come up with. Thanks for the help. I still love my Hacker motors over all others.
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Old 07-08-2008, 06:39 PM   #360
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Denver,

What ESC are you using?
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