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09-23-2011, 04:03 PM
| #1 |
| Rock Stacker Join Date: Dec 2010 Location: Helena
Posts: 76
|  drag brake wtf
ok well i am at a complete and total loss. I have a dx3e radio, integy 35 turn motor and sv2 speed control. I have tried a integy 55t, 45t, and now the 35t and drag brake and actual brake turn all the way up, also switched speed controls from a micro castle esc.. I have great drag brake when heading down hill forward but when i head down backward it just rolls. I am at a complete and total loss on what to do. any thoughts peoples please help!
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09-23-2011, 05:54 PM
| #2 |
| I wanna be Dave Join Date: Oct 2008 Location: I miss Rowdy
Posts: 2,238
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Make sure your speed control is calibrated with the radio and that there is no throttle trim dialed in on the radio. Sounds like the speed control is not getting a good neutral signal.
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09-23-2011, 06:07 PM
| #3 | |
| Shelf queen   Join Date: Aug 2008 Location: Internet
Posts: 5,857
| Quote:
Make sure all your throttle trims are at zero. Sometimes if you have your radip set to adjust their values via little thumb switch, you can easily foul up the settings if you aren't paying attention. BTW. what micro castle esc did you switch from? i'm looking for one  | |
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09-23-2011, 09:50 PM
| #4 |
| Rock Stacker Join Date: Dec 2010 Location: Helena
Posts: 76
| esc
radio is set up correct and it still has roll back issues. it was a sidewinder micro but i sent it down the road earlier today... im beginning to think that it is integy im having no issues with a similar set up on my other crawler with a holmes motor.
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09-24-2011, 08:05 AM
| #5 |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
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I still think it's a radio/ESC issue if it works forward but not reverse. You can also try increasing the brush spring pressure (new/longer brushes, or heavier brush springs) or closing the pinion/spur gear mesh to add mechanical brake. |
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09-24-2011, 10:06 AM
| #6 |
| RCC Addict Join Date: May 2008 Location: Chicago/Bloomington
Posts: 1,505
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Removing backlash from the spur/pinion only increases friction causing the motor to get hotter faster and doesn't really do much for the drag brake (though the increased friction may help). Are you using a Castle link to adjust that SV2? The link provides a crawler drag brake that you can't get by the stick programming. Last edited by AreCee; 09-24-2011 at 10:08 AM. |
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09-24-2011, 11:33 AM
| #7 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Quote:
But it's still a band-aid. I still stand by my comment of it's a setting issue (radio or ESC) since the drag brake works in one direction..........  | |
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09-24-2011, 10:37 PM
| #8 |
| Rock Stacker Join Date: Dec 2010 Location: Helena
Posts: 76
| hmm
ok ill try the radio set up again and yes i am using a castle link. i will play with it more and try to set up something and will post again
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10-05-2011, 07:07 PM
| #9 |
| Rock Stacker Join Date: Dec 2010 Location: Helena
Posts: 76
| supa fix
well i have gone all out with the fix, sv2 speed control, overdrive and underdrive gears, 35 turn motor with 83 t - 14 t drive gears, swamper tires, aluminum wheels and lots of weight in the front! no more sliding back wards!
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