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ContinuousWave: Whaler Performance
Auxiliary Engine REVENGE 22
|Author||Topic: Auxiliary Engine REVENGE 22|
posted 07-02-2004 02:48 PM ET (US)
What realistically is the minimum horsepower to push a Revenge 22 to 5-MPH for harbor cruising?
Thanks for any help.
posted 07-02-2004 03:00 PM ET (US)
If that is what you are going to use a kicker for, make sure you are compatible with the ambiance created by the whine of a small motor running at high RPM rather than a larger motor idling along as you sip your cocktails and enjoy the sights.
posted 07-02-2004 04:23 PM ET (US)
I use a 15-HP Evinrude on a Garelick-brand bracket. I adjust the depth in the water to keep it from cavitating in the turbulence of the hull. An important factor is that you get the right propeller pitch so the kicker can turn the right RPM to not be straining at cruising speed. The 15 pushes me at about 6-7 MPH on a Guardian 20 which should be comparable in weight to your 22. It is no speed demon, for sure, but it is enough to get you to the hill if the big-boy quits.
posted 07-02-2004 07:43 PM ET (US)
I use a 1990 Yamaha 9.9 HP 4-stroke, hi-thrust, and I get about 5.6 knots (6.4 MPH) at WOT.
posted 07-02-2004 08:40 PM ET (US)
I am currently using a 15-HP Honda on my Seacraft 23 WA, which is great, no speed demon. Last year I had to come about 15 miles due to an electrical problem. It works, but I would like to try the new Honda 20-HP to see if would make a difference and still be slow enough to troll for salmon at 1.5-2.5 MPH.
I had a 9.9 Johnson SailMaster prior to this and it did okay. I would think that 9.9-HP was the minimum.
posted 07-03-2004 12:32 AM ET (US)
I have 1983 Revenge 22 Cuddy and also have a 9.9 Yamaha high thrust. Great motor, trolls great, and would get you in emergency situation. Real miser on fuel and saves lots of hours on main power.
posted 07-03-2004 10:27 AM ET (US)
[This message thread has been edited for clarity.]
posted 07-03-2004 10:31 AM ET (US)
Generally a 15-HP and a 9.9-HP engine share the same displacement, but are tuned or geared for different uses. Advice regarding choosing the propeller pitch is important.
Elaborate installations of main and auxiliary engines begin to approach the cost and complexity of twin engines, but don't provide the same benefits.
I found the comment cautioning about engine whine to be quite interesting, and I had not considered that before.
posted 07-03-2004 12:18 PM ET (US)
My 22' Revenge WT WD has a Mercury 15 2s. It's more than enough for what you describe...pushes me along at about 7.5 mph WOT...I suspect the difference between jimp's 6.4 and my 7.5 is largely due to added hull length of the WD.
Only use is for slow-speed trolling (<2 mph) as the Opti 225 at idle clocks 3.5 mph.
Comment on whine is good (. Comment on getting home...modern outboards are very reliable...most likely failure point is fuel, which is common for my main and kicker (using an AutoBlend mixing unit between main tank and kicker). For slow speed harbor cruise, the Opti gives more flexibility, is quieter and practically NO 2S SMOKE/SMELL! :) (obviously not an issue for you 4s folks)
posted 07-06-2004 02:17 PM ET (US)
Engine whine is a large concern for me. It would defeat the purpose of a separate motor for harbor cruising. In my harbor there are rental 17/18 bowrider runabouts that use 2 stroke 15 hp motors. Not only do the sterns of these rentals ride high because of the lack of weight, but you can hear the little motors at peak "whine" just to move the boat. Its very annoying.
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