Lightest dinghy motor available - Page 5 - SailNet Community
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post #41 of 47 Old 02-23-2014
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Re: Lightest dinghy motor available

while that is absolutely true it also lacks why they are so much lighter they are lighter(2 strokes) cause they have no valves, oil pumps, gears and circuitry...less electrical and ignition stuff...and less complex carbs with less emiissions, evap stuff etc...

Im a fan of 4 strokes...just finished a complete resto on an old honda...enduro

but honestly its apples and oranges...you can use either how you please but they both have benefits and drawbacks depending on what glasses you use!

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post #42 of 47 Old 02-23-2014
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Re: Lightest dinghy motor available

anyone used a trolling motor on a bathtub? I mean a west marine watertender..???? I have the suzuki 2.5 but have wrenched my shoulder..
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post #43 of 47 Old 02-24-2014
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Re: Lightest dinghy motor available

I used a 44 lb thrust on my 9'6" RIB, pushed it to hull speed (3.4kts) per my handheld.

The 105 AH battery was the killer on that deal, it weighed 67 pounds and gave full speed for 1 hour, and a bit more at lower speed. (coincidently, the 44lb thrust also pulled 44 amps at full throttle.
I judged it as adequate propulsion for my dinghy, but hard to refill the tank.

Lessons learned are opportunities earned.
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post #44 of 47 Old 02-24-2014
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Re: Lightest dinghy motor available

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Originally Posted by shipwreck1954 View Post
anyone used a trolling motor on a bathtub? I mean a west marine watertender..???? I have the suzuki 2.5 but have wrenched my shoulder..
I used a cheap $100 trolling motor on my hard shell dingy for a while as an experiment, and an alternative to mounting my heavy ass 25 HP to go on very short trips. I found I could row faster than the motor would push me and the trolling motor lost its place on the boat.

On the northern Gulf of Mexico.


"Best thing to do is get her out on the ocean. If anything's gonna happen, it's gonna happen out there." Captain Ron Rico
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post #45 of 47 Old 02-24-2014
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Re: Lightest dinghy motor available

2.5 hp Honda 4 stroke outboard - make sure you use nonethanol fuel - we use ours on a 10.2" inflatable dinghy. it's light enough for me to lift by myself with one hand - weighs around 30 pounds.
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post #46 of 47 Old 02-26-2014
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Re: Lightest dinghy motor available

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Originally Posted by shipwreck1954 View Post
anyone used a trolling motor on a bathtub? I mean a west marine watertender..???? I have the suzuki 2.5 but have wrenched my shoulder..
There's a family in my marina that run around the harbor in their 9 footer with what looks like an older Minn Kota (boxy white control box on top, short tiller), and it moves them around just fine. Two adults and a two children. I've got a 36 for my yak that I'm going to try on my dinghy some time, just for the halibut, but that thing is a bigger hypalon, weighs a ton (well, over 100 pounds...). The 30 pounders run for quite a long time on a group 24, which are about 40 pounds.

While I'm writing, I'd like to find a true deep cycle battery in the 40-50 amp hour range to save weight on the yak. Anybody know of any?

s/v My Sweet Girl!
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post #47 of 47 Old 03-10-2014
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Re: Lightest dinghy motor available

I have one of the cheap $60 electric trolling motor on my walker bay that pushes it along well. I use a 24"x24" roll up solar panel to charge the battery. Even thou its not for salt water it has held up over 2 yrs. want to sneak up on someone this is the way to do it )

I also have a Nissan 3.5 2 stroke that's very light.

Both are only used when the capt. is in the dinghy other wise I row and find no out-board to be the lightest.

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I am the Capt of my ship but sometimes I think I had more fun just being the cabin boy.
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