:::RHMT::: Real Home Made Turbo
General Category => General Discussion => Topic started by: DSharp on August 06, 2013, 11:30:12 PM
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rowing sucks dixs
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Well does it work, have ya tried it?
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It will cavitate. It will spin at to high of a rpm. Any you dropped your oatmeal on the ground.
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I'd think a 4cyl trimmer would be best, lower RPM & higher torque. My guess is he's not going for speed records, so it wouldn't be run a full RPM. Those things idle around 1200rpm, the speed the prop was designed for, so I don't think 3-4k will cavitate too bad. I think the biggest issue will be burning the clutch if no weights are added.
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Technically this would be called a reed wacker...
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I'm interested to see how it goes, but yea, the rom is way too high to be properly efficient. It will still move though.
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I think the load will keep the rpms down
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well see tomorrow, I have been thinking about putting a cone behind and possibly in front of the prop and smoothing things out. if it works at all its a hell of a lot cheaper than an outboard
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if it works at all its a hell of a lot cheaper than an outboard
So at what point is noise a factor in fishing? Is that 2 stroke wound out gonna be loude enough to scrae the fish away? At any rate its way less than a electric outboard.
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I think the load will keep the rpms down
Good point. I know the load is what makes your mom go down.
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I think the load will keep the rpms down
Good point. I know the load is what makes your mom go down.
ZING!
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So did we get trolled or is it a trolling motor?
it's not supposed to be fast, it's for trolling.
you can pick up a trolling motor on CL for about the same it would cost to make what you did.
except you probably had the shitty wacker laying in your back yard.
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Ripper vids?
Zombie killing vids?
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this thing needs a reduction gear box, the motor doesnt have the torque to spin it direct drive. im just gonna buy a dam outboard.
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Smaller prop?
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maybe a big rc boat prop.
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Nitromethane?
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minnkota prop?
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Just keep chopping a 1/2" off the blade tips til it works. If it spins at 3x the speed, it only needs 1/3 the prop.
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That idea would work better if you could put 2 blades in there clocked 90° apart. Smaller diameter and high rpm needs more blades.
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More blades in the water requires more torque to move them. They "bite" more, and also create more drag.
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If all you did was make those 2 tiny blades smaller it would cavitate and do nothing. 4 smaller blades would be easier to spin than the 2 bigger ones and he might have a chance of forward motion.
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That idea would work better if you could put 2 blades in there clocked 90° apart. Smaller diameter and high rpm needs more blades.
180 degrees apart I hope?
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90° would be better. 180° would put them in the same place as the others
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I did shave down the prop, turned the weed eater wide open and shoved the prop down on the concrete lol, I even went through the trouble of sanding the edges smooth. still too much drag from the high rpms. My 2 hp sizuki outboard works much better. anyone ever put a tuned pipe on a 2 stroke outboard? :evil:
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rhmt trolling thread