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HomeClassifiedAircraftHelicopterClassifieds - Engines & Mufflers Sold  FS: YS F-120 Helicopter Engine.
01-24-2007 09:27 PM  11 years agoPost 1
Oldmodeler

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Used. With Engine mount and machined fan and half a clutch for Kalt Grand Prix helicopter. Do not know condition of engine, at present.

$325.00 plus $10.00 shipping. I have PayPal.

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01-24-2007 09:39 PM  11 years agoPost 2
JuanRodriguez

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The Villages, Florida

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Helicopter engine ??? Hummmmmm

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01-24-2007 09:50 PM  11 years agoPost 3
Oldmodeler

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You've understood, correctly.......

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01-24-2007 10:06 PM  11 years agoPost 4
classic

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4 stroke?

Which is worse, ignorance or apathy? I don't know and I don't care!

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01-24-2007 10:09 PM  11 years agoPost 5
Oldmodeler

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Yeah........... no kidding! LOL

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01-25-2007 01:19 AM  11 years agoPost 6
JuanRodriguez

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The Villages, Florida

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Oldmodeler,
Can you please provide a little more info about this "helicopter" motor ??

Never knew that YS made such a helicopter motor.....

Airplane motor ? Absolutely.... used to run one on an Ultimate Bipe...

Please clear up the confusion for me...

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01-25-2007 01:24 AM  11 years agoPost 7
Oldmodeler

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YS 120 4 cycle heli engine from Japan. Not available for US market. Modified crankshaft to accomodate large cooling fan for 120 size 4 stroke helicopter..... JR Quattro and Kalt Grand Prix 4 stroke conversion.....

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01-25-2007 01:35 AM  11 years agoPost 8
JuanRodriguez

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Thanx....

Good luck with the sale.... YS are one heck of a motor !...

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01-25-2007 01:54 AM  11 years agoPost 9
Oldmodeler

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Thank you! Yes they are!

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05-20-2007 01:13 AM  11 years agoPost 10
Oldmodeler

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Reasonable offers welcomed!

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05-20-2007 12:41 PM  11 years agoPost 11
4 stroke flyer

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Dowagiac,MI

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What is the max rpm of this motor?

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05-20-2007 04:39 PM  11 years agoPost 12
sharam

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Northern California - Fly at Morgan Hill Field

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I do seem to remember YS making a 120 for a brief time period around the year 2000 timeframe. If memory serves correctly, it might have been made to go hand in hand with a Vigor 120 at the time.

I had the YS 91 ACH - "H" was the heli version. That was a four-stroke engine also.

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05-20-2007 06:02 PM  11 years agoPost 13
heli_headcase

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Hovering around Atlanta

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Robbe too...
There was also a conversion to allow this very engine to fit the Robbe Futura SE with the promise of megatorque power. It could work but the tuning is critical.

I have a Kalt Omega Grand Prix with the 91AC-H and a Kyosho Concept II Graphite four stroke with the same 91. VERY quiet and at the time of limited 2ST displacement of 10cc (.61ci) was a slick way into the big block leagues.

The 120 should be good for something. Anyone have the Futura 120 conversion in their collection?


HHC

So many heli's - too little time...

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05-21-2007 12:51 AM  11 years agoPost 14
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I have PayPal, if interested in purchasing.

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