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02-21-2020, 05:37 PM | #1 |
Quarry Creeper Join Date: Jul 2011 Location: ireland
Posts: 340
| help needed heavy rig motor/esc questions
hi guys im in the need of some advice im building a late 80s dakar style truck in 1/10 scale and its going to be quiet heavy 2x cell lipos /summit trans 2.2 rims and 5.5inch rock crusher tires and 3 spares on the rear steel cage and chassis and fiberglass panels and cab, and revo diffs and steering knuckles in custom steel housings. So my question would be can any one recommend a budget friendly motor and esc brushed or brushless setups and i would like to use a 1/5, 1/4 jumbo size servo for steering so any help or advise would be great. Last edited by steven318is; 04-09-2020 at 06:03 AM. |
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02-21-2020, 06:08 PM | #2 |
I wanna be Dave Join Date: Jun 2016 Location: Austin
Posts: 6,013
| Re: help needed heavy rig motor/esc questions
Might be a candidate for a Hobbywing QuicRun WP880 brushed ESC (capable of handling 4S, has an onboard 4A BEC), with a Holmes Hobbies Trailmaster Sport 550 27t brushed motor. Get the cheap Hobbywing LED ESC programmer card to adjust the parameters.
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04-08-2020, 08:08 AM | #3 |
Quarry Creeper Join Date: Jul 2011 Location: ireland
Posts: 340
| Re: help needed heavy rig 1/4 servo motor/esc questions
thanks. can anyone tell me what would be needed to use a 1/4 scale servo with say revo/summit electronics
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04-08-2020, 10:16 AM | #4 |
I wanna be Dave Join Date: Jul 2005 Location: North Idaho
Posts: 3,648
| Re: help needed heavy rig 1/4 servo motor/esc questions |
04-08-2020, 09:36 PM | #5 |
Quarry Creeper Join Date: Jul 2011 Location: ireland
Posts: 340
| Re: help needed heavy rig motor/esc questions
thanks for the reply no servo or any other electronics bought yet for it but I've never had any luck with 1/10 servos lasting on my crawlers so now that i have the room for a larger one it should do the trick for this application
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04-08-2020, 10:49 PM | #6 |
Rock Crawler Join Date: Jul 2013 Location: california
Posts: 516
| Re: help needed heavy rig motor/esc questions
You may not need a 1/5 th scale servo, you might need one futaba A700. 1027.7 oz/in at 7.4V https://dluxfab.com/#!/Futaba-A700-s...egory=13250680 or a Savox SB-2290SG 7.4V: 694.4 oz-in https://www.amainhobbies.com/savox-s...2290sg/p536890 as for esc and motor Durok's suggestion makes perfect sense. |
04-09-2020, 06:01 AM | #7 |
Quarry Creeper Join Date: Jul 2011 Location: ireland
Posts: 340
| Re: help needed heavy rig motor/esc questions
thanks for the suggestion but there a little outa my price range. id be hoping to get a servo for around 50 dollers
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04-09-2020, 06:24 PM | #8 |
Quarry Creeper Join Date: Jun 2013 Location: Twin Lake
Posts: 391
| Re: help needed heavy rig motor/esc questions
What do you consider as heavy? I'm thinking you might have a hard time finding a servo with allot of torque for cheap. There are some cheap servos that claim high torque, but when you use one that is more truthful about there numbers the difference is very apparent.
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04-13-2020, 06:12 AM | #9 |
I wanna be Dave Join Date: Feb 2017 Location: My mothers basement
Posts: 2,128
| Re: help needed heavy rig motor/esc questions
There are a bunch of cheap servos you can get for under $50. Probably should get a few of them because they don't take abuse well in a heavy rig. One bad fall and they die. __________________________ Handy gearing spreadsheet |
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