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Scorpion Power Thunder Power RC Futaba-RC
w12martin

Veteran

Shantou, Guangdong, China

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Not sure if it was already posted
http://www.os-engines.co.jp/105hz/

10-12-2011 Over year old.
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gotnoclue

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sydney

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looks like its not to far off, me wanty

10-12-2011 Over year old.
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billybob

Veteran

Torrance, CA

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SSSWWWEEEEEEET!! I been wondering when O.S would be coming out with a bigger motor..I'm excited now, now hurry it up. thanks for posting this.

10-12-2011 Over year old.
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blade3d

Elite Veteran

New Jersey USA

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Cool

Blade3d

10-12-2011 Over year old.
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blade3d

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New Jersey USA

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Cool

Blade3d

10-12-2011 Over year old.
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CoronaL

Key Veteran

Winnebago IL

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lol
I wonder how much that thing will cost?
with the Speed HZ's and the YS120 bringing $500 give or take, wonder if OS will want $600 for this one

Randy!!! I am the liquor

10-13-2011 Over year old.
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dchekas

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Farmington, CT

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Going by the website, it looks like the -R version will be a little more then the 91HZ-R was, but less then the Speed 3D.

Align~Futaba~Byron Fuels~Thunder Power

10-13-2011 Over year old.
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MikeSherman

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Franksville, WI

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I hope OS has cut their teeth with the new regulator & carb on the .91 lineage and they are only making "minimal" changes to simply increase displacement.

OS has a tendency to make numerous versions of an engine to fix issues.

It would be nice to have this 105 be a winner right out of the gate!

I fly OS engines and my last purchase was 2 OS91 C-spec's, but OMI modded for big-bores and cline regulators. They perform wonderfully. Now that this technology has been rolled into later OS91's - the 105 should hopefully do well.

Time will tell!

-Mike

Team QuickUK Pilot
Team Heliproz

10-13-2011 Over year old.
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CoronaL

Key Veteran

Winnebago IL

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I like OS motors, but I agree, their 91 series had a few teething issues before the HZ lineup that seemed pretty golden, although a bit less powerful than the YS SR or SR-DS. The HZ-R's seemed to raise the bar a bit, and I hear the speed/3d are beasts, but haven't tried them. Seems OS and YS each have their advantages and disadvantages. Hoping the 105 is as good as the HZ was, and has some room to grow in power as well. I like to port my motors and have some fun

Randy!!! I am the liquor

10-13-2011 Over year old.
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Tyler Benson

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Louisiana usa

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+1 ^^^^^^

Team Ready Heli
Team Gaui USA/ Empirerc.com

10-14-2011 Over year old.
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knightofcarnage

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chicago

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so the comptions is on. YS120 vs OS 105

10-14-2011 Over year old.
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billybob

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Torrance, CA

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Anybody have an idea on when this engine will be available?

10-14-2011 Over year old.
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knightofcarnage

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chicago

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Don't matter, Love the timing. Just like CGY750 got announce right before fullsize vbar 5.0 released. I knew it. They where waiting to announce right before the release date.

10-14-2011 Over year old.
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billybob

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Torrance, CA

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Yup, kinda thought O.S would do something like this. looking forward to it's release.

10-14-2011 Over year old.
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superyan711

Senior Heliman

Sainte-Catherine ,Canada

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Cool !

This engine look NICE !!

I put this on my next Synergy Nitro !!!

Canada

10-14-2011 Over year old.
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knightofcarnage

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chicago

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If i'm reading it right 3.8hp @ 15,000 rpm

10-14-2011 Over year old.
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Ravenhyper50

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Canada's Capital

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Hmmm... how could a regulator give .1 more horse power??

If that's how it reads

Raven

10-14-2011 Over year old.
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CoronaL

Key Veteran

Winnebago IL

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like a sticker on a honda gives 50 more HP probably. Oh and that it costs probably $100 more than the non regulated one so they gotta tell the buyers somethign to justify the costs

The real answer is more like it probably makes more consistent power due to the regulator so they rate it a bit higher b/c most people would feel it a bit more powerful due to the consistency in the tune.

Randy!!! I am the liquor

10-14-2011 Over year old.
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MikeSherman

Veteran

Franksville, WI

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...just imagine the power if they include a K&N airfilter! I hear they are good for an additional 5-6hp!

-Mike

Team QuickUK Pilot
Team Heliproz

10-14-2011 Over year old.
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knightofcarnage

Elite Veteran

chicago

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K&N filters are good but, i never seen on used on a heil. Only on cars. They don't really fit in a heli.

10-14-2011 Over year old.
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