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HomeAircraftHelicopterThunder TigerRAPTOR 30 › V2 with a YS56SR
01-05-2014 02:01 PM  4 years agoPost 1
mustang67ford

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Central Pennsylvania

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I have been trying to sell a titan 50SE, but haven't had much luck and i think i would rather keep it than lower the cost much more. I currently have a raptor 30v2 that is what i would consider my beater heli. The one i'm not afraid to try new moves with. What i am thinking of doing, is turning my titan into my new 30 to take the place of my beater. I converted a 30 into a titan SE 30 and it flew great. Anyways, my question is, with the YS56SR in a 30 size heli, how far back would i need to cut the throttle; half open at full stick? I think a 30 size heli would be neat with a YS motor.

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01-05-2014 03:37 PM  4 years agoPost 2
datidun

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N Ireland

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Hi not sure what you mean by cutting the throttle,I have the Titan SE 50,but have the an OS 37 engine in it which is now the Scale MD530,only thing I changed was the pinion,main gear and blades,if it went back to the 50 Hyper the same above would be changed.
Darren

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01-05-2014 05:51 PM  4 years agoPost 3
mustang67ford

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Central Pennsylvania

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Hi not sure what you mean by cutting the throttle
A YS56SR will produce a lot of power for a 30 size heli swining 30 size blades. Because of this, I will probably need to cut the top end of the motor back.

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01-05-2014 05:57 PM  4 years agoPost 4
Heli 770

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Mike
What about your head speed?

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01-05-2014 05:58 PM  4 years agoPost 5
datidun

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N Ireland

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I had a OS 55 in my Titan,obviously with 600mm blades,nothing else needs to be changed.

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01-05-2014 08:07 PM  4 years agoPost 6
mustang67ford

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Central Pennsylvania

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What about your head speed?
This is more from a theory standpoint before I actually impliment it; I forgot to mention that. Does it make sense to have a YS56SR in a 30 size heli. Once I do impliment, it would then be easy to adjust in the field.

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01-05-2014 08:08 PM  4 years agoPost 7
mustang67ford

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I had a OS 55 in my Titan,obviously with 600mm blades,nothing else needs to be changed.
That helps

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01-05-2014 08:45 PM  4 years agoPost 8
Santiago P

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South West, Ohio

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EVERYONE is missing a BIG point.

The gearing for the 30V2 is WAY TOO HIGH for a 50 to 56 engine to be effective at all. 9.56:1 is too high for a 56!

You HAVE to change the clutch, clutch bell with pinion and main gear.
That will make it 8.5:1 which is standard for 50s.

http://manuals.hobbico.com/ttr/ttre0060-0062-manual.pdf

Otherwise, you will reving like crazy, just sucking fuel and not seeing anything on the rotor head besides lots more smoke.

Santiago

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01-05-2014 10:18 PM  4 years agoPost 9
mustang67ford

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Central Pennsylvania

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It's already a 50 size heli; titan SE. My objective is to have a 30 boom and 30 size blades. Are you saying not to change the gearing? Just change the boom, belt, main blades, and tail blades?

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01-05-2014 10:45 PM  4 years agoPost 10
Einzelganger

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Campbell, Texas

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Yep. You'll need to change the gears to keep the YS from overreving.
You'll want to change the fan and clutch/clutch bell/pinion also. Spacing is different from 30 to 50 sized engine. It will work great.
A friend modded his 30 with a .50 engine and gears. Same boom and 550 blades. Never bogs.

Wayne

Edit..... I was confused which one you are looking to change.
If you modded the 30V2 to a .56, you would need to change blah..blah..blah. The Titan only needs boom and blades to become a Titan 30SE with a "big block".

Wayne

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RIP Roman

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01-05-2014 10:53 PM  4 years agoPost 11
Santiago P

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South West, Ohio

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It's already a 50 size heli; titan SE.
Sorry, the title is misleading.
Is this an original R30 or R50????

I am saying you need the 86t main and 10t pinion (R50 gears) for the YS56 make any sence.

If you alreaday have the 50 gearing then yes, you can use the shorter boom and blades
My objective is to have a 30 boom and 30 size blades
BUT WHY?

A shorter rotor is less efficient, a bit more agile on cyclic, but weaker in collective. You can always use lighter blades that will hype the cyclic responce as a 50, without giving away collective performance.

Einzelganger is saying the same in different words

If the gearing is right, you can safely go short or long on the boom and mains.

S

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01-05-2014 11:00 PM  4 years agoPost 12
Einzelganger

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Campbell, Texas

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I think I was off track.
If you're modding the titan 50SE, all you need to do is put on the 30 boom and 550 blades and rock on.

Wayne

I love the smell of nitro in the morning.
RIP Roman

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01-05-2014 11:01 PM  4 years agoPost 13
mustang67ford

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Central Pennsylvania

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Is this an original R30 or R50????
It is an original 50.

Why: less costly for blades. I can throw a set of woodys on it. Also, it would be a way to replace my older 30 size v2 heli plus the items noted in my original post.

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01-05-2014 11:01 PM  4 years agoPost 14
Santiago P

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South West, Ohio

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What Wayne said ^^^
I can throw a set of woodys on it.
You have to watch the RPM on the woodies! That's a lots of power on a short rotor

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01-05-2014 11:36 PM  4 years agoPost 15
jake21

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ontario canada

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Why would You change the boom and belt? Just put 550 blades on it.
I know Guys that have a Titan se with os 50 hyper and 550 blades.
It will never bog. Does it have a govenor or limiter?

The only way to not crash is up

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01-05-2014 11:42 PM  4 years agoPost 16
jake21

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ontario canada

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MoneyPitVictim This is getting confusing. 85 tooth main and 10 tooth pinion for the 50 which is 8.5 to 1 and 86 and 9 for the 30which is 9.6 to 1.

The only way to not crash is up

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01-05-2014 11:51 PM  4 years agoPost 17
datidun

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N Ireland

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No point putting in a powerful engine and running wooden blades,better of running it as a 50 size all together,or with glass fibre blades,thats only my opinion.

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01-06-2014 12:02 AM  4 years agoPost 18
jake21

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ontario canada

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I have to agree. If he wants to run smaller blades because they are cheaper, just put them on.

The only way to not crash is up

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01-06-2014 04:55 AM  4 years agoPost 19
Santiago P

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South West, Ohio

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MoneyPitVictim This is getting confusing. 85 tooth main and 10 tooth pinion for the 50 which is 8.5 to 1 and 86 and 9 for the 30which is 9.6 to 1.
Yes, I meant 85T main gear on the 50.
But is a moot point now.
No point putting in a powerful engine and running wooden blades,better of running it as a 50 size all together,or with glass fibre blades, thats only my opinion.
I agree, it makes no sence, but that's what he wants and is "doable".

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04-06-2014 01:04 AM  4 years agoPost 20
mustang67ford

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Central Pennsylvania

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Well, just got done convering the titan 50SE to a "big block" titan 30SE. Changed the boom, belt, and blades. Leftthe YS56SR and 50 gearing in place. Easy to convert back if i don't like it.

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HomeAircraftHelicopterThunder TigerRAPTOR 30 › V2 with a YS56SR
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