TWIN Hydro class

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Joe Warren

Well-Known Member
Joined
Nov 29, 2003
Messages
8,258
With the IMPBA Rule change of the in Twin Hydro class CID of 2.5 opens the door to New Boat kits with Bigger engine packages, More Prop & diff combo`s for Twin hydro racing! Hats off!! to the IMPBA Board members keeping a open mind & let the Members & Boat builders & Engine builders advance into new ideas for years to come. Gentlemen start your engines!! & bring em to the starting line.......
 
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:ph34r: Question any someone had quad .45 or .67 engines for rigger or caterman before?
 
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:ph34r: Question any someone had quad .45 or .67 engines for rigger or caterman before?
We had someone down here in Florida that had 4 K&B outboards on the back of a big cat hull.

All I can say is P.O.S.
Rick, I saw that boat in 95 at the Winternats. Ran offshore I think. The throttle and steering engineering was impressive. Did look better then it ran. Still a A for effort. B) B)
 
Years ago I witnessed a Dumas Skater with triple K&B 67's outboards hanging off the back run. It was a blast to watch, but the owner just couldnt get them to run in sync to save his life. Ran pretty stong down the strait, possibly in the 50mph range (very out of tune), but couldnt turn worth a damn. Looked like a big headache, but fun!

Larry Jr.
 
How does this affect the F hydro class. Are twins only allowed in Multi Engine Classes? What is the displacement for F hydro now?
F class displacement is still the same. A multi engine boat that meets the F engine class can still run in F class. Clubs will have to do a little checking on CMB RS 101 motors. They are just like the CMB RS 91's. Boats with 101's in them will only run in Muilt-Engine class.
 
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How does this affect the F hydro class. Are twins only allowed in Multi Engine Classes? What is the displacement for F hydro now?

Tom 2009 IMPBA F class 1.820 Total....... IMPBA Twin class 2.5 Total
Looks like i have a twin in my future. Hope to get a pair of 91s soon for powerplants. I also need a tee shirt with a big red X on the back
 
How does this affect the F hydro class. Are twins only allowed in Multi Engine Classes? What is the displacement for F hydro now?

Tom 2009 IMPBA F class 1.820 Total....... IMPBA Twin class 2.5 Total
Looks like i have a twin in my future. Hope to get a pair of 91s soon for powerplants. I also need a tee shirt with a big red X on the back
Gather up all of the parts when we get it Tuned Up & you can AIR IT OUT in the back stretch.. You will be Hooked!!
 
Mikey

You will need to have the white X on your shirt. I.......Still have the RED one on MINE!! :lol: :lol:

Ran mine today................OH I LOVE THE PICCO SCREEEEEEEEEEEEEAAAM!!!! :D :D :D
 
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