Building a Sleeper
08-15-2016 | 04:17 PM
#233
Registered
Joined: Jun 2004
Posts: 8,218
Likes: 573
From: St-Hyacinthe, quebec, canada
08-15-2016 | 08:25 PM
#235
Registered
Joined: Apr 2005
Posts: 1,442
Likes: 19
From: Washington, MO
Gotta help on the slip, dont you think? Its like driving a car with a bad tranny. Catches and goes, then slips, then catches. After the boat gets above 65 the slip is not as noticable.
Main goal is to get engine RPMs past the peak of the torque curve and into the 5500 plus range
Main goal is to get engine RPMs past the peak of the torque curve and into the 5500 plus range
Looking at slip, if your drive is 1.5:1, turning a 25" pitch at 5000 engine rpm at 73 mph, that calculates to 8% slip. This is low for a 3 blade and kind of indicates the drive is deep. You might find that even though the 4 blade is 24" pitch, the added blade might prevent the engine spinning up like you want.
It's just time for a shorty and surface running cleaver prop!
PS - My Dad's 20CL in post #45 was built special with a high X dimension and ran a 3 blade cleaver. Was a great combination for that hull. Results may vary though!
Last edited by 4mulafastech; 08-15-2016 at 08:30 PM. Reason: Added PS
08-15-2016 | 10:10 PM
#236
Gold Member
Joined: Jun 2014
Posts: 3,615
Likes: 1,242
From: Thailand
There's quite a few of us serving 'humble pie' for dinner!
Congrats on getting the project done and achieving such a good result. I admit I was a doubter, guess it makes it all the more satisfying for you to do what many thought wouldn't work.
Nice videos, sounds great and it looks like the wife and family enjoy it to. Don't worry too much about totaling up the cost, the money's already spent, just enjoy.....
RR
Congrats on getting the project done and achieving such a good result. I admit I was a doubter, guess it makes it all the more satisfying for you to do what many thought wouldn't work.
Nice videos, sounds great and it looks like the wife and family enjoy it to. Don't worry too much about totaling up the cost, the money's already spent, just enjoy.....
RR
08-16-2016 | 06:23 AM
#237
Registered
Joined: Dec 2013
Posts: 1,016
Likes: 456
From: Bourbonnais, IL
https://youtu.be/gGZP1ALe6T8
a little dock side idle action after getting it home to LKN.
Yes, its a Bowrider, and yes, I'm a fat dude ! lol
Yes, its a Bowrider, and yes, I'm a fat dude ! lol
08-16-2016 | 01:39 PM
#238
Thread Starter
Registered
Joined: Oct 2015
Posts: 243
Likes: 3
From: Charlotte, NC
There's quite a few of us serving 'humble pie' for dinner!
Congrats on getting the project done and achieving such a good result. I admit I was a doubter, guess it makes it all the more satisfying for you to do what many thought wouldn't work.
Nice videos, sounds great and it looks like the wife and family enjoy it to. Don't worry too much about totaling up the cost, the money's already spent, just enjoy.....
RR
Congrats on getting the project done and achieving such a good result. I admit I was a doubter, guess it makes it all the more satisfying for you to do what many thought wouldn't work.
Nice videos, sounds great and it looks like the wife and family enjoy it to. Don't worry too much about totaling up the cost, the money's already spent, just enjoy.....
RR
08-16-2016 | 01:46 PM
#239
Thread Starter
Registered
Joined: Oct 2015
Posts: 243
Likes: 3
From: Charlotte, NC
Any chance you get to try a different prop is a good thing.
Looking at slip, if your drive is 1.5:1, turning a 25" pitch at 5000 engine rpm at 73 mph, that calculates to 8% slip. This is low for a 3 blade and kind of indicates the drive is deep. You might find that even though the 4 blade is 24" pitch, the added blade might prevent the engine spinning up like you want.
It's just time for a shorty and surface running cleaver prop!
PS - My Dad's 20CL in post #45 was built special with a high X dimension and ran a 3 blade cleaver. Was a great combination for that hull. Results may vary though!
Looking at slip, if your drive is 1.5:1, turning a 25" pitch at 5000 engine rpm at 73 mph, that calculates to 8% slip. This is low for a 3 blade and kind of indicates the drive is deep. You might find that even though the 4 blade is 24" pitch, the added blade might prevent the engine spinning up like you want.
It's just time for a shorty and surface running cleaver prop!
PS - My Dad's 20CL in post #45 was built special with a high X dimension and ran a 3 blade cleaver. Was a great combination for that hull. Results may vary though!
Thanks again for all your support during this project, its much appreciated!
08-16-2016 | 02:03 PM
#240
Thread Starter
Registered
Joined: Oct 2015
Posts: 243
Likes: 3
From: Charlotte, NC
2 Very well known marine engine builders call and tell you that the headers you sold their customer are leaking BADLY
I spend the freight to ship them back, only to be told that after he has "pressure tested them at a whooping 20 psi they are just fine. No problems
So he offers to put them up for sale again on line (since there is nothing wrong with them) and send me a check when they sell
Anyone on there think i'll ever see any of that money again?
I'm with holding his name from this board because I'm not an *******........................................... ...........YET
