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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › O.S. 55 HYPER IN A .60
09-19-2017 05:24 PM  22 months ago
Topic Vote0Post 1
mccoy

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parlin,N.J. USA

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O.S. 55 HYPER IN A .60
I have a lot of .60 helis that need engines.os doesn't make .61 no more what else is out there that's good.
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09-19-2017 06:40 PM  22 months ago
JuanRodriguez

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The Villages, Florida

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I think you would be disappointed....

How about a YS 60 ? I did a quick search and found at least two vendors with them in stock .....
Been there, done that and old enough to know better.....
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09-19-2017 07:08 PM  22 months ago
lightningrc

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UK

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Thought 90s are the same size and would just bolt in
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09-20-2017 02:18 AM  22 months ago
Todd74

rrApprentice

PA, USA

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Like lightning said, you'll be much better off going with a .91 instead of the 55. The 55 has a different case size than the 61/91 engines, and the gear ratio in your 60 would be wrong for the 55, the 55 would not get into its power band.
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09-21-2017 09:06 PM  22 months ago
utahbob

rrVeteran

St. George Utah

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I have a nice
OS 60wc in great shape I'll sell ya for 100.00..you pay shipping..
I do a great decending funnel!
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09-22-2017 02:31 PM  22 months ago
MartyH

rrProfessor

USA

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I have a lot of .60 helis that need engines.os doesn't make .61 no more what else is out there that's good.
No question you will be disappointed with a 55 in a 60. Just poke around and you will come up with a 61, 70 or 91 that will work great in a 60 size heli. As was already mentioned, the dimensions, gear ratio and exhaust would be completely wrong trying to use the little 55.
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09-22-2017 04:15 PM  22 months ago
banshee rider

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Phoenix AZ.

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JuanRodriguez
I think you would be disappointed....
How about a YS 60 ? I did a quick search and found at least two vendors with them in stock .....
I believe the new YS60s are the same case size as a OS50/55
which is smaller than the old .61s
would need a new motor mount ?
for the new one to line up
ageing is manditory maturity is optional
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09-22-2017 04:21 PM  22 months ago
JuanRodriguez

rrProfessor

The Villages, Florida

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It's been a few years but I don't recall having any issues with the "stock" motor mounts on the R-60 and Intrepid 60 running the YS 60 motor....

The OP has "60 size" helis so I don't expect he would have any issues with 60 size motor....
Been there, done that and old enough to know better.....
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