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01-31-2020, 06:55 PM #615000 RPM
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02-01-2020, 03:35 AM #62Screaming And Flying!
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Merc HP props came in even#s... a 23??? chopper? not so quick to buy I hope...Show picks before ya buy.... That old merc has a small shaft....so most choppers will not fit....unless a merc 25 chopper... hard to find and wrong splines.......Pete Delacker had a prop that might work.....He is not with us... he has passed.....but his son might have said prop......
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02-01-2020, 08:45 AM #63
At least you figured out auto fill changed pitch to ouch??
Yes, the smaller the prop, the harder to find.
Spline count is the key.
A Chooper (be sure that’s really what you have as they’re miss listed all the time) has a lot of bow lift built into it which you don’t want/need. If it’s cheap, try it anyhow.
Most likely a cleaver will run better on your rig. Most have very little lift built into them.
Your hull has all its lift built into it.
I ran 23” pitch x 1.6 gears x 5000 RPM x 10% slip and got 60 MPH.
That may be close.
Depending on how everything works together and how healthy your motor is, you may see more.
5500 = 67 and 6000 = 74
Depending on your plans for the rig, if it is to be more than a one time toy, you might want to start collecting props.
Way easier to try 3 or 4 props when you have them w/you.
Another tip is to build a test horse for the boat.
Basically a metal saw horse (iron plumbing pipe works well) so it doesn’t float away, w/carpet on top where boat will set.
Set it in water, just off the shoreline.
Deep enough water where prop is just out of water when back of boat is on the stand.
One guy on either side of motor will easily lift it onto stand.
There it will be easy to change props, set up, driver, add fuel etc.
Youre also not clogging the ramp.
Youll also likely spend time experimenting w/engine height and trim angle.
Have you engineered a fuel tank yet?
I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
Hydrostream 18' V-King w/Frankenrude II
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02-01-2020, 12:56 PM #645000 RPM
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[QUOTE=Instigator;3186397]
A Chooper (be sure that’s really what you have as they’re miss listed all the time) has a lot of bow lift built into it which you don’t want/need. If it’s cheap, try it anyhow.
Most likely a cleaver will run better on your rig. Most have very little lift built into them.
Your hull has all its lift built into it.
/QUOTE]
I'm sorry, I misread. It is a Ron hill 13 spline 12 1/2" x 23p cleaver not a chopper. Hopefully that is enough ouch 😜. He says he also has a 24 and will trade it as long as I pay shipping. I'm thinking about jumpin on it and seeing what it does. Attached are some pics of it.
As far as gas tank goes I was just planning on running a 6 gal portable strapped down.
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02-01-2020, 01:53 PM #65
Looks good.
Ron is a good guy and used to race that style boat too.
He also used to be a school teacher and likely will want to help if he knows your story.
Problem w/the tank is where to put it and it’s weight.
They make some smaller, plastic tanks for against the inside of the transom on dinghies.
Location wise, that would be perfect.
I doubt they will fit your narrow cockpit though.
Probably around 16” ???
Anywhere forward is worse case scenario. It will hold the sponsons on the water, preventing their lifting, and will scrub speed.
[QUOTE=Seanj85;3186445]Last edited by Instigator; 02-01-2020 at 01:56 PM.
I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
Hydrostream 18' V-King w/Frankenrude II
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02-28-2020, 03:48 PM #665000 RPM
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Well its been a few weeks since I posted. We have been getting into the finishing process with fairing, glassing, staining and varnishing. We closed up important seams w epoxy and some woven strips of glass. When necessary we made some fillets w cabosil and glassed them over. I tried to limit the amount of glass and epoxy as it weighs a ton and we are already overbuilt. Attached are some photos of our progress.
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02-28-2020, 03:51 PM #675000 RPM
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02-28-2020, 05:40 PM #68Screaming And Flying!
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You can not be over built...... only under powered.........
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02-28-2020, 07:37 PM #695000 RPM
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02-28-2020, 07:40 PM #70
Congratulate those kids for me Sean. That's really impressive. You should be proud.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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02-28-2020, 07:53 PM #715000 RPM
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Instigator thanked for this post
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02-29-2020, 07:23 AM #72
Killer!
Good call on the finishI'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
Hydrostream 18' V-King w/Frankenrude II
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03-02-2020, 07:14 PM #73
looking good!! Glad to see younger kids doing something other than playing on there phones
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03-03-2020, 06:10 AM #74
Looks awesome, great job. Lifetime memories for most I'm sure.......
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Seanj85 liked this post
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03-04-2020, 09:52 AM #755000 RPM
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Looks Beautiful......awesome to see a shop class take on something out of the ordinary. When i was in high school back in the 70's, my Dad and I built a Glen-L "T-N-T" as a winter project in our garage, was the best Father-Son project. That spring I did a class project on the entire build (wish we had the photo ability we have today back then). Teacher was so impressed he asked me to bring it to school and show it, had the entire class out in the parking lot.
Great job kids, keep up the awesome work, and can't wait to see some vids of her in action!
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