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10-20-2020, 12:59 PM #1Member
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Possible Two Stroke Resurrection?
I have come across a recent invention, a "crankcase-independent two stroke": https://citsengine.com/
I cannot think of a better application for outboard power than this. Seems to combine the best of both worlds (two and four stroke) without the added complexity. You'll notice it's an extremely low-angle V, so it ought to fit in an outboard cowling quite nicely.
Thoughts?
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powerabout thanked for this post
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10-20-2020, 01:32 PM #2
Oh Boy !
22R
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10-20-2020, 02:51 PM #3
Good to see there are still companies researching and engineering 2-strokes. I seriously think behind the scenes that Merc is playing with the 2-strokes still.
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10-20-2020, 06:34 PM #4
I’ll take one.
I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
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Capt.Insane-o liked this post
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10-20-2020, 07:07 PM #5Screaming And Flying!
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Wait 'til you see the G3... oops
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10-20-2020, 07:52 PM #6
I love changing oil!
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10-21-2020, 10:22 AM #7
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10-21-2020, 10:38 AM #85000 RPM
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This idea sounds like a real breakthrough in efficient and simple engines. Light weight, simple, big power to weight ratio sounds great for a boat or motorcycle or generator. Just thinking of the mechanical efficiency gains by eliminating the value train is huge. But What does it mean “no throttle” ?
1971 Sidewinder 14 SS w Johnson 90 v-4
1959 Texas Maid Falcon w Mercury Mark 35A
1981 Sylvan Sportster w Johnson 85 v-4
2006 Harris pontoon with a Yamaha 90
1969 Sunfish sailboat
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10-21-2020, 10:49 AM #9
Looks like a lot of reciprocating weight. Won't be drag motor for sure. Should have good torque.
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Whaaaaat liked this post
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10-21-2020, 11:41 AM #10
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10-21-2020, 11:57 AM #11
.
has this CITS technology been marinized yet?
.
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10-21-2020, 04:55 PM #12
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10-21-2020, 05:05 PM #13
The more things change ... the more we go back to where we came from ....
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Instigator liked this post
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10-27-2020, 09:06 PM #14
F1 racing is looking at going to two strokes before 2030.
https://www.pitpass.com/66467/F1-loo...engine-formula'78 Hydrostream Viking/'98 225 ProMax
Restoration: https://www.screamandfly.com/showthr...Viking-rebuild
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10-28-2020, 07:48 AM #15
How bout a 7.99 nitrous H-2?
https://m.youtube.com/watch?v=v7hDX6VAFZk&t=14s
When God walked the earth.I'd rather be competitive w/junk I built in my garage than win w/stuff I bought.
I refuse to allow common sense to interfere w/my boat buying decisions.
Checkmate 16' 140 Johnson
Hydrostream 17' Vector FrankenRude I
Laser 480 (?) 21' w/GT 200
Glastron Carlson Conquest w/XP 2.6
Glastron Carlson CVX 20 w/XP 2.6
24' Sonic w/twin 250 Johnsons
24' Sonic w/twin 250 HO Johnsons
19' STV River Rocket w/FrankenRude II
Allison XR 2002 w/Frankenrude II
Hydrostream 18' V-King w/Frankenrude II
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keefallan liked this post
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