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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS-55 and YS-56 pics
09-17-2009 12:45 AM  11 years ago
knightofcarnage

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chicago

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Does it have 2 or 3 needles for tunning. (low,mid,high)
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09-17-2009 12:54 AM  11 years ago
Aaron29

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USA

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Which one now?
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09-17-2009 04:53 AM  11 years ago
knightofcarnage

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chicago

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Sorry YS 56st, also have a question on the OS 55 is it pumped or exhaust pressuresed.
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09-17-2009 10:15 PM  11 years ago
esmoglo

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Florida USA

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OS for me!Ugly can be fixed stupid is forever!
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11-12-2009 09:40 AM  11 years ago
NZ_Nitro

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New Zealand

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SUBSCRIBED
here
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11-12-2009 10:21 AM  11 years ago
Aaron29

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USA

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SUBSCRIBED

here
LOL me too, and your subscription makes one post in the last 2 months.
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11-12-2009 04:00 PM  11 years ago
raspeitia

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US - WI

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Just wondering if anyone has any updates on when the YS56 will be available to US distributors.
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11-12-2009 04:50 PM  11 years ago
BlueGarry1

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Romford, Essex, UK

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Should'nt be much longer as they're now available in the U.K.

Bluegarry1
Rave ENV Electric Beast X v3 FBL, Rave Ballistic BeastX v3, T-Rex 500 Beast X FBL
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11-13-2009 01:35 AM  11 years ago
Blink 182

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California

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I flew the YS 56, it can handle 15 degress of pitch with no problem.
Flies very nicely!
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11-13-2009 02:13 AM  11 years ago
NZ_Nitro

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New Zealand

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15 deg?
bloody hell that would be a sky rocket!!! so whats different to a YS? on the 50 they talk of pump and fuel injection? what about the 56?
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11-13-2009 02:32 AM  11 years ago
Blink 182

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California

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YS 56SR pressurizes the fuel tank from the backplate. So no connection from the pipe is needed.
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11-13-2009 03:17 AM  11 years ago
Paul Woodcock

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Dubai - United Arab Emirates

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hi guys

where in the uk?

or anywhere for that matter....

regards
paul
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11-13-2009 07:18 AM  11 years ago
Engin21

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Belgium

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11-13-2009 07:52 AM  11 years ago
blade3d

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New Jersey USA

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So it that like 400.00 in USD Hobby hut told they should be in this week I have one on Order.Blade3d
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11-13-2009 08:58 AM  11 years ago
1basejump

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Ballymoney Northern Ireland

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Real Raptors in the uk have them to

http://www.realraptors.co.uk/shop/i...roducts_id=5952
Wil
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11-27-2009 10:07 PM  11 years ago
breyman2000

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United States

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ys56
im goingt ot the ys56 has more power punch more well balenced motor then the os 55
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11-28-2009 12:41 AM  11 years ago
rexxigpilot

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rexxig2@comcast.net

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breyman2000, what makes you think the YS56 is any of what you state? My experience with the YS 50 and 91 leads to think the YS 56 is not as well balanced, powerful or easy to tune as the OS55. Long stroke engines are never very smooth unless equipped with a secondary balancer. That's why single cylinder, long stroke engines are known as thumpers. The rocking couple vibration (90° to the piston motion and radial to the flyweight/crank) is very high without a balancer shaft to reduce side to side forces.

My SDX and 700N almost disintegrated from the vibration levels of the YS engines. The SDX now has a NovaRossi 57 and the 700N has an OS91HZ. Both are far superior to the YS's IMO.

Also, ever notice that YS doesn't publish power figures? The YS 50 is far weaker than the OS50 Hyper in my experience. Save some money and get a better engine by passing on the YS.
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11-28-2009 01:22 AM  11 years ago
Aaron29

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USA

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Can anyone say for certain anything about the OS-55 vs. YS-56?

I don't think more than a handful of people on this website have experience with BOTH engines. And history is no viable indicator. In the past, certain OS's have been better than certain YS's and certain YS's have been better than certain OS's.

Until both these engines have been owned, flown, and tried by certain individuals, we can banter on about which is "better" without end. But how reliable would our information be?

Buy what you like, but take any "this one is better" information with a grain a gigantic salt. No one knows.
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS-55 and YS-56 pics
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