My boat will plane on one engine, MYTH... - The Hull Truth

Mumblerone · 03-09-2003, 06:46 AM

Mine wont. You continually hear that two engines are great because you can run on one. I have 14 1/4" x 21" props, at WOT they turn 5500 RPM, perfect. I'm sure the motor would blow up trying, I've tried and backed off. Before you comment have you tried it on 'your' boat? Now, I'm quite sure that I could change prop to maybe a 19" pitch and plane, but this is impractical. Admittedly, one motor will get me through inlets, etc. better than a kicker. I like two (for other reasons), don't get me wrong; but is the 'main statement' a little overly stated. Have you tried it?

Oh, I don't mean running and then shutting one off; I mean from start up.

We've got a 28' Rampage with twin 260 HP inboard motors that won't either.

"Never enough time to do it right; ALWAYS enough time to do it over." Boston Whaler, "MUMBLER", 24' Outrage (1996), twin 175 HP Evinrude Ocean Pros.

Snowball, the cat...

TraderVic · 03-09-2003, 07:27 AM

I assume you're tilting the dead engine all the way out?

Knockerjoe · 03-09-2003, 07:30 AM

my friend has the same Whaler as yours with twin yammy 200's. Recently one engine overheated so we went in on one engine. It got up on plane no problem. I guess that extra 25 horses made a difference.

SeaNile · 03-09-2003, 07:39 AM

Had a 25 Proline with twin 200 Yamahas that could plane. Tilt other engine up and out of the water and put the trim tabs all the way down. With 1/2 tank or less it would plane, but with 225 gallons of gas there was no way.

--JK
31 Bertram

Special-K · 03-09-2003, 07:50 AM

HS 2500 with twin 200's will plane oin one motor.

-Scott K.

DeepDiver · 03-09-2003, 08:17 AM

My brother has a 30ft Ocean Cat with 225 Suzuki's
that planes off and will run approx 20 mph on one
engine.

MakoMyDay · 03-09-2003, 08:18 AM

define plane

--it will sort of but it is such stress on the engine I don't think I would ever run it that hard

Hey You · 03-09-2003, 08:51 AM

I have a 24 outrage, 1994. It will (and has several tmes) plane with a full load of fuel and three people. Runs about 35MPH on one. No it doesn't jump out of the hole in one boat length! I have twin 150's w/ 14x20 four blades. It planed quicker (on one)with 17's but lacked top end.

Wrangler · 03-09-2003, 08:58 AM

Of course I only have one engine, but, hey, it will get on plane

Dave

Birdman · 03-09-2003, 09:12 AM

28' Scout, Twin 200 HPDI's. Planes on one with ease, doesnt' even sound like it's laboring at all. And, I get on plane regardless if I trim up the "dead" motor or not.

(err um!) ah, did anyone fill up the oil tanks before we left?

Birdman, Capt of

Mumblerone · 03-09-2003, 09:12 AM

Yup, one one motor up (and running

). Maybe I should get 200s? Maybe I should get four blades? Let's see what other's say. Thanks for the replys.

"Never enough time to do it right; ALWAYS enough time to do it over." Boston Whaler, "MUMBLER", 24' Outrage (1996), twin 175 HP Evinrude Ocean Pros.

Snowball, the cat...

PeteH · 03-09-2003, 01:27 PM

1987 261 mako twin '97 200 yami. Planes with one trimmed out. 17p props.

aubv · 03-09-2003, 02:18 PM

Mumblerone,

Please tell me your not considering get two new engines because your boat won't plane on one engine.

Why would it even matter? Would you go out with one engine not operating? If one dies would you stay out or head in?

Mumblerone · 03-09-2003, 04:07 PM

Just joking.

Thanks for the concern though. I am seriously trying to get a feel for who can. I believe it's an often told story and many can't. Just interesting.

"Never enough time to do it right; ALWAYS enough time to do it over." Boston Whaler, "MUMBLER", 24' Outrage (1996), twin 175 HP Evinrude Ocean Pros.

Snowball, the cat...

Canazes9 · 03-09-2003, 04:38 PM

I was onboard one of Reel Peace's Glacier Bays that ate one of it's HPDI's at the mouth of the river (about 20 miles from Venice). I don't know if plane is the right word for it, but we were able to run in the low 20's (by GPS) on the return trip to the Marina. Full fuel, 5 men, ice, etc. Motor didn't sound happy, but did not sound like it was that bad.

19' Custom Aluminum, 150 Yamaha

Slamdancer · 03-09-2003, 05:51 PM

23' Contender with twin 150's would run 20 knots on 1 motor.

2795 Hydrasport w/ twin 250's would not even think of planing on 1 motor.

I no idea of what size prop's we had; however, I did expeience running in on 1 motor with both boats.

JDandSvn · 03-09-2003, 05:58 PM

You might plane the boat. But at what RPM? Without changing props to less pitch/diameter, you are seriously overloading the motor. Not a good deal. Actually, it's a good way to hand over some hard earned dollars to the dealer for repair/replacement.

catadromous · 03-09-2003, 06:19 PM

On my sister's 23' Seacat with twin Honda 90's we can plane in flat water on one engine, but in even a little chop it's no go. The boat is underpowered and if the Hondas will ever die we will replace them with 140 suzi 4 strokes. I expect us to be able to plane on one then with ease.

Jack

Sea_Dad · 03-09-2003, 06:25 PM

I havent tried it on mine yet. I only have 2 hours on them, and alas their just measly 135's. I dont expect to be able to though.

cat man · 03-09-2003, 06:46 PM

when will someone build a motor with a second gear in the gearcase to effectively raise the rpm on the single engine, that can be engaged either manually or electronically?