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05-31-2021, 08:39 AM #2715000 RPM
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07-21-2021, 11:25 AM #272The Historic Photo Master
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...4-rotor wankel rotary by omc on a dyno dated febuary 23 1973. no h.p. ratings were ever published by omc. was never produced for public consumption. extreme high cost of production, the high cost of marketing & the publics acceptability, unproven reliability, the early 70's gas crisis & this engines larger fuel consumption, too large of an engine for the early 70's recreational consumer interest, etc., all came into play determining its experimental demise...
Last edited by FUJIMO; 07-21-2021 at 11:29 AM.
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powerabout thanked for this post
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07-21-2021, 09:58 PM #273
I heard it made 265hp/7k at the crank, not sure if that was a dyno grenade motor or if that's what the race motors were making. The single rotor in the later snowmobile was around 45hp, pretty good for a dinky single barrel carb.
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07-27-2021, 10:25 PM #274
I'm an old school OMC fan. I grew up with a 60 something Lonestar with a 75hp V4 Evinrude on the back. Dad got a 15' or 16' Glastron tri-hull around 72-73 with the 3 Cyl. 70hp Evinrude. I swamped that in the Hudson eventually. From there I've had several "go-fast" boats with OMC V6's. A 21' Checkmate with walk through bow and a 235 Evinrude. A 20' Baja with walk through bow. Bought with a 115 Evinrude on it that I never put in the water with that motor. Found a used 175 Johnson I dropped on it. A couple years later I found a 21' Checkmate with a blown up Yamaha. Put the 175 on it the first year, then found a built 200 Venom to put on it the next year. A couple of years later I went to a big 27' inboard Baja for 2 years, then bought my current boat with some sort of V6 OMC on the back. The tag comes back to an '87 Johnson GT-200. It still runs strong.
My '73 OMC/Johnson Reveler snowmobile. I sold it last fall, but had it for many years and had a lot of fun with it.Last edited by RevmanII; 07-28-2021 at 12:18 AM.
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07-27-2021, 10:54 PM #275
It's a dam shame that OMC died the way it did. They made the best saltwater outboard on the face of the earth. Only if they would have went to four stroke and could have an electrical system like Yamaha they would still be on top today.
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07-27-2021, 11:17 PM #276Screaming And Flying!
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07-27-2021, 11:29 PM #277
If they could have put the same principle into outboards with reliability they could be on top of the world. The reality of it is everyone wants four stroke for pleasure boating just b/c they are quiet. Took me a long time to understand this and I used to hate four strokes but they are the motor of the future whether we like it or not.
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engineermike thanked for this post
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07-27-2021, 11:51 PM #278Screaming And Flying!
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I would say you cant tell if its an e-tec or 4 stroke they are both silent at the dock.
I know some dealers have e-tecs running in their showrooms and the customers cannot tell there is an engine running.
You can tell a 4 stoke by the super rich stink so you will eventually die if a 4 stroke is running in your showroom...lol
The e-tecs are way in front emission wise as well especially as the CO is not a large part of the marine regs as basically all 4 strokes need cat cons, somebody should of told Al Gore.
The Japs conned everyone as they didnt have any DFI technology so Merc competing on their terms now making multi cam engines.Last edited by powerabout; 07-27-2021 at 11:56 PM.
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07-28-2021, 08:10 AM #279Team Member
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We used to have a 115 HO Etec and it was super quiet. Our current 150 HO Etec is louder.
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07-28-2021, 08:36 AM #280Screaming And Flying!
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07-28-2021, 09:22 AM #281Team Member
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150 is 6 cyl, 115 was 4 cyl, both Gen 1 Etec, both great motors
Much easier to winterize then my 200XS ROS or I imagine any 4 stroke
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powerabout thanked for this post
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07-30-2021, 08:00 PM #282
The v4 etecs were amazing. sweethearts of a motor.
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07-30-2021, 09:22 PM #283
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07-31-2021, 05:32 AM #284Screaming And Flying!
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Agreed
They should of left the xflows as work engines and done the loopers as Evinrudes and make some EFI performance ones as well.
They should of had the japs make the small engines, lesson from Lee Iaccocca there he flagged that with Ford and they laughed, do Ford make any cars any more or just Pickups and the Mustang?
They missed the chance to make a 3 cyl looper from the 45ci 2cyl looper and left a hole in the market at 90HP, in steps Yam.
They ignored the overseas markets as typical of US marketers and that just left the USA for the Japs to work on and now see how the pie is sliced.
IMHO is was just a pile of bad decisions and missed opportunity. Both Merc and OMC guilty here.
Reminds me of a buddy that worked at Motorola back in the day when they owned the phone market, once they got to the top they put their feet up and said, ok tick it off we are there, he was amazed at the attitude, left and went to Nokia.
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08-14-2021, 03:14 PM #285The Historic Photo Master
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...Viking Outboards. OMC's short-lived additional branding of marketing outboards in Canada...
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