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ffryan
New Member
Joined: Fri Sep 16, 2016 6:00 pm
Posts: 1
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 dual motors single prop I'v been contemplating on building a mud motor for my small boat a long tail is my choice on the type. As far as hp more is better right? but is two better then 1?
I'm looking at 2 HF 6.5 hp engine join together by a chain on a go cart type clutch on each motor and one sprocket in the center with a pillow block attaching the shaft.
Pros.
More hp for less money
useable clutches
changeable gearing for more speed out of the motors
cons
Slightly more weight
more parts to brake
I would like to achieve the speed of a short tail but the abilities of a long tail.
Here is my questions to you all Have you ever seen anyone attempt this?
Attached my concept for the idea
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| Fri Sep 16, 2016 6:16 pm |
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FL_waterfowler
MMT Pro Member
Joined: Tue May 24, 2016 2:14 pm
Posts: 108
Location: Pensacola, FL
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Re: dual motors single prop Interesting concept, I've personally never seen anything like it. Best of luck with this build I'll be watching to see how it comes out!
Sent using smoke signals
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15/42 Alweld 25 MBLT
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| Sat Sep 17, 2016 5:18 pm |
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sandybottoms
MMT Member
Joined: Thu Oct 29, 2015 6:38 am
Posts: 34
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Re: dual motors single prop Seems like it would be tough to keep both motors perfectly in sync. Good luck
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| Tue Sep 20, 2016 7:08 am |
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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: dual motors single prop I don't want to sound negative or rain on your parade...but I think the only reason to do this would be for the satisfaction of doing it and having something unique. I don't believe it would ever be as reliable as simply using a 14-18hp single engine and drive.
The more moving parts, the more problems. If you take it on though, it would definitely be a conversation piece!
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Uncle J - 17 x 48 w/GTR | Bayou Surface Drive heads | Voodoo exhaust | DIY Mikuni carb
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| Tue Sep 20, 2016 7:27 am |
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redlined_b16a
MMT Pro Member
Joined: Tue Oct 21, 2014 7:15 pm
Posts: 80
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Re: dual motors single prop Be a neat project,I have been dreaming up a 90 horsepower Honda D15 engine set up.
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| Tue Sep 20, 2016 8:33 am |
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BERNIE255
MMT 1000 Club
Joined: Sun Jun 16, 2013 4:43 pm
Posts: 1381
Location: Avoyelles Parish/ Marksville LA
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Re: dual motors single prop Theres a longtail with one motor in front of the other, seen it a few years ago
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| Tue Sep 20, 2016 10:30 am |
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mogenduck
MMT Pro Member
Joined: Thu Feb 18, 2016 12:05 am
Posts: 71
Location: coral springs ,fl
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Re: dual motors single prop just a thought but if you have ever seen a tractor pull contest they stack multipul engines on a tractor I donno how they get all too work on one axel but it might help you
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| Tue Sep 20, 2016 2:14 pm |
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Will
MMT Elite Member
Joined: Fri Jul 08, 2011 1:54 pm
Posts: 8133
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Re: dual motors single prop You have a good idea for a clutch on each motor, that will eliminate any rpm differences. I would suggest belts over chain though.
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Before the internet, the majority of the village idiots stayed in their villages.
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| Wed Sep 21, 2016 6:05 am |
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joel1847
MMT Member
Joined: Wed Sep 21, 2016 3:55 pm
Posts: 8
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Re: dual motors single prop Almost all Navy ships use two engines per shaft coupled through a reduction gear and in design aren't that much different than a long tail, just with inboard engines. With clutches, I see no reason why it wouldn't work and it should weigh less than using two longtail engine setups. Weight of a 20hp LT vs. a twin engined single shaft LT? Shouldn't be too much off. What I've noticed here lately is that there are a whole lot more performance parts for smaller engines than there are for larger HP engines.
Joel
norcal
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| Sat Oct 08, 2016 12:16 pm |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm
Posts: 2377
Location: West Coast Wisconsin
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Re: dual motors single prop Mudbuddy built the Dominator years ago.. download/file.php?id=34955&mode=view
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| Sat Oct 22, 2016 9:03 am |
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Will C
MMT Sponsor
Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
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Re: dual motors single prop Dam that's a good one
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| Sat Oct 22, 2016 5:20 pm |
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dead animal
MMT 1000 Club
Joined: Fri Jan 16, 2009 3:18 pm
Posts: 1726
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Re: dual motors single prop yea, mb had one several years ago. i'm sure they copied it from somebody else. lol
there are vids of it on youtube.
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| Sat Oct 22, 2016 5:22 pm |
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