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[ 5 posts ] |
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Waterproof throttle servo instead of linkage or cable
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Slabguy
MMT Member
Joined: Wed Jan 20, 2016 4:36 pm Posts: 17 Location: West TN
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Waterproof throttle servo instead of linkage or cable
This is probably a dumb idea and I don't claim to know a lot about electronics but I've messed around with remote control planes some and I got to thinking about rigging a servo for the throttle on my MB 45 and get rid of the cable or linkage woes. I know it could add a whole new set of problems but just wondering if anyone has tried this. The main thing I'm not sure how you could make work is how to link it to a throttle handle so if you hit a stump or log and lose grip it lets off the throttle. Anyway, it may not even be possible but just wanted to bounce it off you guys. See video below for one application
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Tue Jul 26, 2016 1:58 pm |
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reharbert
MMT Addict
Joined: Tue Mar 17, 2015 1:38 am Posts: 606 Location: Beaumont, Texas
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Re: Waterproof throttle servo instead of linkage or cable
In theory, you could set it up just like a RC vehicle if you could find the right parts. Mount the servo on the existing engine throttle plate. Rig up a linkage to operate the throttle. Wireless would be a poor idea. Run some conductors up to your tiller arm, and add the appropriate spring loaded switch, with power being fed from a keyed ignition source.
_________________ Uncle J - 17 x 48 w/GTR | Bayou Surface Drive heads | Voodoo exhaust | DIY Mikuni carb
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Tue Jul 26, 2016 2:44 pm |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm Posts: 4820 Location: West Monroe, LA
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Re: Waterproof throttle servo instead of linkage or cable
Spring loaded lever just like rc control box.
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Tue Jul 26, 2016 2:46 pm |
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tomfever
MMT Pro Member
Joined: Tue Jul 02, 2013 9:03 pm Posts: 68
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Re: Waterproof throttle servo instead of linkage or cable
If I'm thinking along the same terms as the robots I work on at work, you would need some sort of an encoder to tell the servo motor how much throttle you would actually be giving it. Which in turn would also mean that if it ever got off 0 it would have to be reset. But I can very likely be wrong. I've never dug into rc servos. Just the 12k lb robot servos at work.
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Wed Aug 03, 2016 5:58 am |
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rubbinisracin
MMT Pro Member
Joined: Sun Sep 01, 2013 1:05 pm Posts: 213 Location: Wake Forest, NC
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Re: Waterproof throttle servo instead of linkage or cable
Look up some aftermarket "drive-by-wire" setups for cars.
_________________ 1854 CC backyard build with GTR 37 EFI
Build thread here.. viewtopic.php?f=4&t=66815
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Mon Aug 08, 2016 6:26 am |
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