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Jet Drive

The place for mechanics, racers, or anyone seeking engine-related technical help.
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necks
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Joined: Nov 22, 2015 12:47 pm
Location: St. Paul, MN

Jet Drive

Post by necks » Feb 28, 2016 2:53 pm

I can't seem to find much on jet drive outboards. I know Mercury still makes them, I'm sure Johnson makes them, or did make them at one time.
I always wondered how these outboards performed, compared to the propeller models. I would think these jets should be just as good as props, as they are still being used on drag boats. Has anybody had any experience with these motors?
You can find these outboards from time to time, would they be worth the time and effort to repair or rebuild one of these motors, or do you think you are just throwing hard earned money away?
I can't say I've seen a HydroStream with a jet drive, Has anybody else? :boating:

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jacklake2003
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Jet Drive

Post by jacklake2003 » Mar 01, 2016 3:20 pm

I don't believe they would be as efficient as traditional outboards. I believe their primary purpose is to allow for more shallow of a draft.

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RSWORDS
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Re: Jet Drive

Post by RSWORDS » May 16, 2017 10:11 pm

jacklake2003 wrote:
Mar 01, 2016 3:20 pm
I don't believe they would be as efficient as traditional outboards. I believe their primary purpose is to allow for more shallow of a draft.
Exactly. The jet model's use a larger HP power head to meet the same HP rating. Jet drives suck up HP bad.

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