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08-08-2020, 09:53 PM | #1 |
Newbie Join Date: May 2020 Location: Elk Grove
Posts: 5
| 4 wheel steering conversion problems
So I'm adding rear steering to my Everest 10, and I got a simple stupid question. I think I need a y-split adapter to connect my rear servo up with my front steering servo. BUT, I saw a video somewhere that I need to reverse the rear servo (?) so that it turns, and doesn't just crab crawl. I can't seem to find a y-spit adapter with a reverse adapted for the rear servo. Any help would be appreciated...I'd be most happy if I could get a link to or a part number for the wires that I need. Thanks in advance for any help. |
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08-08-2020, 10:11 PM | #2 |
I wanna be Dave Join Date: Dec 2006 Location: here
Posts: 3,042
| Re: 4 wheel steering conversion problems
Can you just flip rear servo opposite of front servo? You'd be better off using a different ch for the rear servo if you radio will allow it. |
08-08-2020, 10:43 PM | #3 |
I wanna be Dave Join Date: Sep 2019 Location: US
Posts: 2,408
| Re: 4 wheel steering conversion problems
Do NOT use a Y-harness for 4WS. '4WS' does NOT specifically mean "front & rear wheels turning opposite each other". Before explaining, to properly do 4WS on a vehicle, you need four things: 1) A transmitter that had 4WS modes. 2) A 3-channel (or greater) receiver, with at least one unused channel. 3) Two servos (preferably identical) 4) A second front axle, to be used at the rear. While I have somewhat limited experience in the crawler side of RC, I have come to realize that axle-mounted servos are a better, and easier, way to don't 4WS, compared to chassis-mounted servos. As for my 2nd sentence, yes, the front & rear wheels turning opposite each other is one 4WS mode, but having front/rear toning the same direction is another. A third mode is front-only steering, and a fourth is rear-only steering. With a Tx that offers true/full 4WS modes, you have the ability to switch between all four modes. If you use a Y-harness, all you're going to get is to servos rotating identically to each other...that's not "4WS". ~ More peace, love, laughter, & kindness would make the world a MUCH better place |
08-09-2020, 08:25 AM | #4 | |
I wanna be Dave Join Date: Jul 2005 Location: North Idaho
Posts: 3,648
| Re: 4 wheel steering conversion problems Quote:
But, if you are just looking a simple steering system that turns the front and back wheels opposite of each other you can just install a Y-harness, connect everything and see if it works. If it doesn't work properly, just install a servo reverser on to the back axle's servo: https://www.davesrce.com/product-pag...servo-reverser | |
08-10-2020, 01:18 PM | #5 |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,379
| Re: 4 wheel steering conversion problems |
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