C21 boat propeller pulls air when turning

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pee wee
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Re: C21 boat propeller pulls air when turning

Post by pee wee »

I've seen homemade jack plates made from aluminum angle, like these:

https://www.youtube.com/watch?v=3Tl1qPBNTFw

http://www.dillon-racing.com/jackplate/ ... age-01.htm

For a heavier motor I think I'd do a row of adjustment holes rather than a slot.
Hank

bartmatthijs
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Re: C21 boat propeller pulls air when turning

Post by bartmatthijs »

Job done … 3 days of work !
Tested today … no more air pulling :D
Attachments
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Last edited by bartmatthijs on Mon May 23, 2022 2:37 pm, edited 1 time in total.

fallguy1000
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Re: C21 boat propeller pulls air when turning

Post by fallguy1000 »

How did you leave the transom top? In prior threads, uncovered transom tops split...fyi.

Glad it works.
My boat build is here -------->

viewtopic.php?f=12&t=62495

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