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Author Topic:   Trim tabs for Rage

SPLETS posted 01-19-2005 03:52 PM ET (US)
I just bought a 94 Rage with a strong motor and like the jet drive. I wanted to know if anyone had installed trim tabs on a Rage?
Has anyone re-propped(Changed impellers)a Rage to get better performance?
where2 posted 01-20-2005 12:22 PM ET (US)
Good luck finding a different impeller to change to. It is said that OMC never made any different pitch propellers. The aftermarket never embraced this jet propulsion unit as a big market and thus I've not seen much in the way of aftermarket anything for it.
As for the trim tab thought, I have to wonder what the effect would be if you could adjust the ride plate, or add a wedge to the ride plate.
I'm still working out the kinks in my Rage after having the engine rebuilt. Thus my experience with actually running the boat on plane amounts to less than 30 minutes total, one one afternoon... I've got 4 hours on the clock idling up and down my canal...
Larry posted 01-20-2005 01:57 PM ET (US)
I have a '95 rage with a 115 and often wonder if a trim tab set up would help my 2000 to 3200 rpm "dead zone".
13_Dauntless posted 01-21-2005 02:05 PM ET (US)
Splets, I can't tell from your post what kind of performance gains you're looking for, but for what its worth I spoke to a Rage 14 owner who installed our M80 Sport Tabs on his boat. His reason for installing them was to keep the boat on plane at lower speeds and keep the bow down in choppy water. He seemed happy with the benefits, but I didn't talk to him for long about it, so he didn't go into great detail about the performance gains.
Christian Redditt
Bennett Marine
Larry posted 01-26-2005 01:32 PM ET (US)
Thanks. I have the same motivations for mid speed performance. Could the trim tabs be installed by screwing them to "starbord wood" plastic trim pieces fastened to the transom with 5600? Do jet boats need larger or smaller sized trim tabs?
13_Dauntless posted 01-27-2005 03:11 PM ET (US)
Larry,
In theory, you *could* attach starboard to your transom with 3M 5200 and mount the trim tabs to the starboard. While I've never tested the adhesive properties of 5200 on starboard, I do know from experience that not many adhesives will stick to it well. For that reason I wouldn't personally recommend it, but that's not to say it wouldn't work. I haven't used it, but I've heard that King Starboard makes a proprietary adhesive designed to adhere to starboard. That said, why not just screw the tabs to the transom?
As far as sizing, you can follow standard guidelines for most jetboats, including the Rage.
Christian Redditt
Bennett Marine

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Author	Topic: Trim tabs for Rage
SPLETS	posted 01-19-2005 03:52 PM ET (US) I just bought a 94 Rage with a strong motor and like the jet drive. I wanted to know if anyone had installed trim tabs on a Rage? Has anyone re-propped(Changed impellers)a Rage to get better performance?
where2	posted 01-20-2005 12:22 PM ET (US) Good luck finding a different impeller to change to. It is said that OMC never made any different pitch propellers. The aftermarket never embraced this jet propulsion unit as a big market and thus I've not seen much in the way of aftermarket anything for it. As for the trim tab thought, I have to wonder what the effect would be if you could adjust the ride plate, or add a wedge to the ride plate. I'm still working out the kinks in my Rage after having the engine rebuilt. Thus my experience with actually running the boat on plane amounts to less than 30 minutes total, one one afternoon... I've got 4 hours on the clock idling up and down my canal...
Larry	posted 01-20-2005 01:57 PM ET (US) I have a '95 rage with a 115 and often wonder if a trim tab set up would help my 2000 to 3200 rpm "dead zone".
13_Dauntless	posted 01-21-2005 02:05 PM ET (US) Splets, I can't tell from your post what kind of performance gains you're looking for, but for what its worth I spoke to a Rage 14 owner who installed our M80 Sport Tabs on his boat. His reason for installing them was to keep the boat on plane at lower speeds and keep the bow down in choppy water. He seemed happy with the benefits, but I didn't talk to him for long about it, so he didn't go into great detail about the performance gains. Christian Redditt Bennett Marine
Larry	posted 01-26-2005 01:32 PM ET (US) Thanks. I have the same motivations for mid speed performance. Could the trim tabs be installed by screwing them to "starbord wood" plastic trim pieces fastened to the transom with 5600? Do jet boats need larger or smaller sized trim tabs?
13_Dauntless	posted 01-27-2005 03:11 PM ET (US) Larry, In theory, you could attach starboard to your transom with 3M 5200 and mount the trim tabs to the starboard. While I've never tested the adhesive properties of 5200 on starboard, I do know from experience that not many adhesives will stick to it well. For that reason I wouldn't personally recommend it, but that's not to say it wouldn't work. I haven't used it, but I've heard that King Starboard makes a proprietary adhesive designed to adhere to starboard. That said, why not just screw the tabs to the transom? As far as sizing, you can follow standard guidelines for most jetboats, including the Rage. Christian Redditt Bennett Marine