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AlignRC Thunder Power RC
cmsilvoy

Key Veteran

Durham, NC

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Brand new product from OS Engines......
https://www.rcjapan.net/o-s-engine-...adhttf6cbafdm65

Time to get out your old Trex 600's and start killing it!!!

Chris

07-04-2016 01:09 PM
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Cowjock

Veteran

Pa.

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Wow a 105 in a 600, I can live with that. one problem: does it include a bigger fuel tank?

Damn that ground is hard! When's the right time to get out of this money sucking hobby?

07-04-2016 02:02 PM
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allns47

Key Veteran

Richmond IN.

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way overkill in a 600

07-04-2016 02:24 PM
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CHoliday

Heliman

Down south

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Don't really think there is any reason for this. Besides to stroke your own EGO. Its sad that even now a days with the electrics and batteries being so powerful that most new pilots will never learn the skill of collective management and power management.

07-04-2016 03:04 PM
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cmsilvoy

Key Veteran

Durham, NC

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I am trying to figure out what the upgrade set includes.
Its a bit unclear right now as the product is brand new.
It may be just a motor mount.
It could be more....
I will post more info as it comes available.

Chris

07-04-2016 03:07 PM
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Dan Minick

Key Veteran

Columbus, WI

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Seems like this has come up before, I dont believe its new. I could be wrong. I dont see the need anyways! Seems like its for the guys who want the small goblin nitro, but cant afford a new kit

Team Synergy, Team FBL Rotors---Formerly Dyecocker1-------if its not broke...it will be!

07-04-2016 03:48 PM
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Aaron29

rrProfessor

USA

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Yup nothing new. Never understood this trend. If you want a 50 get a 50. If you want a 105 get a 105. A 105 in a 50 is just an overpowered gas guzzler with all of the operating expense but none of the charm a larger helicopter brings.

My two worthless cents.

07-04-2016 04:05 PM
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Cowjock

Veteran

Pa.

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Its sad that even now a days with the electrics and batteries being so powerful that most new pilots will never learn the skill of collective management and power management.
So true, I've seen new guys move from electric to nitro and they had no collective management skills. I always found it a challenge to finesse an under powered nitro through maneuvers it really forces you use your skills instead of just banging sticks.

Damn that ground is hard! When's the right time to get out of this money sucking hobby?

07-04-2016 04:54 PM
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Glenn Goodlett

Senior Heliman

California

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I like it.

The power of an electric, with about the same flight time.

Lets the nitro guys see what its like to fly an electric without buying a charger, generator, and stuff.

07-04-2016 06:08 PM
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ICUR1-2

Key Veteran

Ottawa, Ontario

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I'd rather see a kit for the OS 70

spending time, paying attention

07-04-2016 07:46 PM
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spaceman spiff

Key Veteran

Tucson

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If the 105 produces the same torque as a 50 at a low throttle setting it might not make that much diference in fuel. (?)

My old Honda accord gets the same milage as my budies corvette even though it has nearly twice as much engine. The good part is it has twice as much engine...

You can not teach a crab to walk straight.

07-04-2016 09:05 PM
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Four Stroker

Elite Veteran

Atlanta

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1) The old OS 70 does not produce any more power than the YS 60 or maybe even the OS 55.

2) The entire heli is not stressed for a 105 - clutch, fan, auto one-way, etc.

3) Get a 700 and put 600 blades on it. Chop the tail.

07-04-2016 10:20 PM
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Gary Jenkins

Elite Veteran

Nowhere, US

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I'd really be impressed if you put it in a 450.

07-05-2016 04:53 AM
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Richardmid1

rrProfessor

Leeds, England

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3.8PS @ 34,000 rpm!!

Seriously though at 16,500 rpm you'll get 1940 HS so while it will be torquey the heli will loose it's pop. Plus the motor and pipe will be heavier.

60% of the time, it works every time!

07-05-2016 11:12 AM
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Gearhead

rrMaster

Vt

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it would be alright with 660 size blades, then you could turn 12 or 13 degrees of Collective Pitch and 2200 HS with the correct gearing

Jim
Buzz Buzz Buzz

07-06-2016 03:17 AM
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don s

Key Veteran

Chesapeake, VA

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Over-stressed airframe with a 3 minute flight time. No.

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

07-06-2016 03:20 AM
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ticedoff8

Key Veteran

Morgan Hill, CA. USA

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That looks just like a standard OS 105HZ.

They are simply including the old "big block" conversion kit for the 600N and making the mods to the crankshaft for you.

The conversion kit has been around for a long time.
It includes pinion for the big block motor to keep the headspeed in the 600N ballpark
Guys have been using this kit for the OS GT15HZ gasser conversion too.

My sig is not fit for public viewing.

07-06-2016 04:51 PM
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Richardmid1

rrProfessor

Leeds, England

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Ah I didn't see the conversation kit included a new ratio of 7.72. My bad.

60% of the time, it works every time!

07-06-2016 05:05 PM
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Aaron29

rrProfessor

USA

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I love my nitro for long flight times with balanced power. If I want to go high power for short durations, I'll just fly my electric.

Honestly, I think nitro's sweet spot is in the 50's and 90's with 600 and 700 size blades respectively. It balances power and flight time/expense. Trying to use an oversized engine to keep up with electric power is just making expensive nitros with short flight times. What's the draw, then?

I see this move as a desperate move to keep nitro alive in an increasingly electric dominated field. I really love my nitros and hate to see moves like this. It shows either desperacy or lack of understanding the market. I think it's the latter. I don't think this will bring a lot of guys in. Whatever it is OS is trying to get out of this setup, an electric will easily outperform it. The guy who is concerned with balls out power is going to go electric. I think your nitro crowd is looking for sound, smoke, nostalgia, or flight time. To your typical nitro guy, this 105 is not a big attractant. It further exacerbates the shortcomings of nitro (expense) while taking away the best part of nitro (flight time). I really think this move is ill advised on OS's part. Stop trying to chase the electrics. It's pointless. Nitro brings what it brings to the table. Electric brings what it brings.

If anything, I'd like to see them go back the other way. Bring back the 32's and such. I loved my Raptor 30. Sipped fuel. Had charm.

Sad that this is the move they made. I really think it's not a good sign.

07-06-2016 06:16 PM
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Richardmid1

rrProfessor

Leeds, England

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Ide like to see them do a 550 nitro for the os55 geared for around 2300 rpm.

60% of the time, it works every time!

07-06-2016 06:31 PM
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