60+ MPH fliver... (My fliver thread)

**xr1million** · 09-28-2008, 11:04 AM

Originally Posted by Mark75H

(1) Propellor availability. Since motors the size you are using aren't generally used at the speeds you are trying for, no one makes a prop for your goal. Even bending the max pitch available won't get you over 50 mph. Look at your current pitch, max motor rpm and gear ratio; find a speed/prop pitch calculation and put in your data with about 20% slip. The motor is going to max out and not just rev forever ... don't get it in your head that you can just call up 10,000 rpm because you want it. Realistic max rpm might be 6,000 or so.

I hope you've already learned that props can only be altered about 2 inches of pitch from their produced base pitch. Some props are already stretched to be finished at the additional 2 and won't go any farther. There are 2 ways to overcome this ... finding a prop shop that can cut the blades off and competently reweld them on at a steeper angle or finding a prop with the desired pitch and some how adapting it to your shaft.

(2) Possibly around 50 mph with the altered prop you will hit the "hp available vs hp needed for load" intersection. These are a pair of exponential curves that come at each other very quickly at the end. The next problem comes from how much motor the boat will float vs how much power is needed to go faster.

(3) Stability. The boat is not going to be stable at your goal speeds. You might see the goal speed just as it spits you out.

what you stated I already know and understand.
I have some ideas to try... we'll learn what works for this motor and what doesnt together!

But thanks!

**MN4V** · 09-28-2008, 11:16 AM

Didn't read all of the posts but, you can find race props for this motor. I bet Ron Hill could find one or rework a Sport C prop. Also, this is the type of motor (with tons of mods) that set a kilo record in Mod C class at close to 90 mph. Don't know if you can get 60 mph but I guess you never know untill you try. With helmet and life jacket!
Mark N

**xr1million** · 09-28-2008, 11:19 AM

Originally Posted by MN4V

Didn't read all of the posts but, you can find race props for this motor. I bet Ron Hill could find one or rework a Sport C prop. Also, this is the type of motor (with tons of mods) that set a kilo record in Mod C class at close to 90 mph. Don't know if you can get 60 mph but I guess you never know untill you try. With helmet and life jacket!
Mark N

SWEET... could you PM me all the info you have or people to talk to about this motor?!??

**MN4V** · 09-28-2008, 11:27 AM

This would be the guy to talk to Jimmy Johnson. I think he is a member on S&F.
Here's a photo of his boat.

Mark N

**PARKER RABE** · 09-30-2008, 06:20 PM

106 on radar

**xr1million** · 09-30-2008, 07:49 PM

Originally Posted by PARKER RABE

106 on radar

sounds good... looks like I have some thing new to shoot for.

**PARKER RABE** · 09-30-2008, 07:59 PM

u better get some seat time , she was a hand full ! lots ot torque on the tiller handel !

**xr1million** · 09-30-2008, 08:26 PM

Originally Posted by PARKER RABE

u better get some seat time , she was a hand full ! lots ot torque on the tiller handel !

i'll just make a bigger trim tab....

Any one know the approximate pitch of the stocker Al. prop??

**yellowallison** · 09-30-2008, 11:22 PM

Personally............I wouldn't go over bout 10 MPH in anything built by HOTSHOT's daddy LIGHTNING POWERBOATS

PULL that LIGHNTING POWERBOATS sticker off so FOLKS dont LAUGH

**xr1million** · 10-01-2008, 04:23 AM

Originally Posted by yellowallison

Personally............I wouldn't go over bout 10 MPH in anything built by HOTSHOT's daddy LIGHTNING POWERBOATS built

PULL that LIGHNTING POWERBOATS sticker off so FOLKS dont LAUGH

yea its on its way... I think she'll be named "Manatee Killer" or something along that line. And have a sticker or a big manatee with a prop in its back.

What does everyone have against LP?

**Scream And Fly** · 10-01-2008, 04:53 AM

Oh man, that looks insane with the 30 on it!

If anyone feels the need to belittle or insult anyone, then please keep it to yourself. If you want to offer advice in a friendly, courteous manner, than by all means do so.

Originally Posted by xr1million

Attachment 155496
yes I know the skeg is broken, I have another motor that I going to use the housing from.

Attachment 155497

I believe the inspiration for who ever built the Fl skiff was a fliver... almost same hull design just twice the size
Attachment 155495

and looking for a trailer locally!

**Stoker1** · 10-01-2008, 05:08 AM

Quit talking, post the video. Bet its a hooot

**yellowallison** · 10-01-2008, 10:02 AM

If anyone feels the need to belittle or insult anyone, then please keep it to yourself. If you want to offer advice in a friendly, courteous manner, than by all means do so.

CMON Greg......You know we got to PICK on ole LPB every chance we get