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johnson 140 installed quick prop question
sorry for repost
Randleman is your prop a Johnson or Suzuki prop. The doing the install wants $200 for a used SS 21 but it has several nicks. I would like to start with some new or at least not damaged. I have a new ss quicksilver typhoon prop part # QS6004x The diameter is 14 and the pitch is 19 it is a 4 blade prop. Do you think that it will work Also if this prop will not work what size should be good on the V21 since it is a bit heavy. And I am a bit heavy then most 275lbs. and all of my friends are over 200 pounds Thanks |
Different props yet the same diameter and pitch will give varied results, meaning if it is aluminum, stainless or either cupped or not cupped.
From what I remember when my father had the boat I got, he was running a 15 pitch on the 140 he had but don't know anything past that. |
if that prop isn't pitched too high, four stroke engines generally respond well to four blade wheels
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Finally found it was a 4 stroke that you have.
Being it's a 4 stroke you could probably get away with a 17 to 19. The one I meantioned was an early 80's 2 stroke. |
Mine are both Suzuki, one 14x19, one 14x21, both aluminum.
I would try the 19 first. Sorry, I've been away. |
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BR...I think that prop selection for 2 and 4 strokes is different. I guess because of the different power delivery at different rpms, but I know that when I first got mine, the old crusty mechanic who probably can pick a prop in his sleep for a 2 stroke missed by a mile on mine, he gave me a 15p that put me way high in rpms and about 28 mph top speed....but it would take off out of the hole like a rocket.
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