Topic: 15 hp Evinrude on a 14" Cadillac? – Antique Outboard Motor Club,Inc

This topic has 22 replies, 12 voices, and was last updated 4 years, 10 months ago by Buccaneer.

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June 9, 2019 at 7:35 pm #176964
Buccaneer
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I’m wanting to get my new old Cadillac boat in the lake to see if it floats.
It’s rated for a 40 hp. It may eventually end up with a 25 hp RDE-17 Johnson or
a 1956, 35 hp Evinrude….. or the 40 hp Gale that came with it. (not ready for
prime time) For now, I was thinking of throwing on a 1956, 15 hp
Evinrude, as I know it runs, and appears that I can hook it up to the remote
cables and steering on the boat.
I assume with my weight sitting up front in the boat that has to plane, lol, and
that it will push the boat, albeit “SLOW”.
Just curious, what to expect for top MPH?
Closest “guess” wins the satisfaction of being “closest”, lol.
Also, the Evinrude has a tiller handle on it. Can I leave on while hooked
up to the remote controls?
Thanks!

Prepare to be boarded!
June 9, 2019 at 7:58 pm #176967
Randy in Tampa
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I have a 1957 Orlando clipper and I ran it with a 1957 18 hp Johnson and a 12 horse Gale 1956 on it and I did 24-25 mph with two people with 18 HP and 20-21 with the 12 HP OMC made Gale……. my Orlando clipper is rated for 50 HP your boat looks faster then mine 😏

Rotary valve Johnson’s Rule!
- This reply was modified 4 years, 10 months ago by Randy in Tampa.
June 9, 2019 at 8:01 pm #176969
Randy in Tampa
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PS don’t tell anybody I ran 50s motors on my boat 🤫

Rotary valve Johnson’s Rule!
June 9, 2019 at 8:46 pm #176973
dave-bernard
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my guess is 18-20 mph. GPS
- This reply was modified 4 years, 10 months ago by dave-bernard.
June 9, 2019 at 9:49 pm #176975
labrador-guy
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US Member - 2 Years
That 15 will get you 22, 23 mph. Get the right prop and maybe a little more. Take all the extra equipment out of the boat. One gas can and one body. That’s what mine will do!!

dale
June 9, 2019 at 10:08 pm #176976
Buccaneer
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Weather permitting I hope to find out this week what it does!

Prepare to be boarded!
June 10, 2019 at 12:21 am #177001
JOHN HOLBIK
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My guess 9×11 prop 19 mph
john
June 10, 2019 at 7:54 am #177005
squierka39
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21.5 mph.
June 10, 2019 at 8:01 am #177006
frankr
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Back to the rest of the question, yes you can leave the tiller on it. But it will work easier if you take the friction plug out of the twist grip.
June 10, 2019 at 9:59 am #177014
BayouBengal
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Will plane at 20 mph
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