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Need help on possibility an Koyosho concept sr 60

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Old 10-14-2008, 12:54 AM
  #1
jcervantes11
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Default Need help on possibility an Koyosho concept sr 60

I got this heli, needs alot of work. Here is the quetion, hope I get them answere. I hope it is a koyosho concept sr 60. Please hope anybody have these things.
Oh yea that last pic is my Helipro Black hawk 500 15 size engine and its the pro se edition.


1. What tail blade uses? Whats a great replacement?

2. Whats cheapiest servo can i use on this thing?

3. How about Gyros?

4. Engine, well I have a OS MAX SX60 , with washer and nut. Nut doesn't belong there, washer yes, but the prop grip isnt there whats a good replacement? Do I need it?

5. Essempbly for motor, fan and clutch, I have all that but I think I am missing something, the main shaft of the motor isn't long enought, what do you all think?

6. Muffler and manifold with gaskit, where do i get one with a set for this os max sx 60 engine?

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Old 10-14-2008, 02:08 PM
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Default RE: Need help on possibility an Koyosho concept sr 60

It's a great heli if you can get it going again. LOOOOOooooong out of production though, so parts will be hard to find.

Any 60 size tail blades will do. Plastic or Carbon ? It's up to your wallet.

You can use the cheapest servos you can find if you want.... But I'd recommend something with at least 5kg of pull or Digitals as a minimum.

Gyro = Futaba GY401. Sorted.

Engine. You need a heli specific motor (something with a H prefix) Can't help with the one you have I'm afraid.

You can download the manual from this site to help you : http://www.rchelibase.com/concept/

Ian F.
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Old 10-14-2008, 09:17 PM
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Default RE: Need help on possibility an Koyosho concept sr 60

Do you have this heli? What engine have you used?
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Old 10-15-2008, 09:15 AM
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Default RE: Need help on possibility an Koyosho concept sr 60

No, I had a couple of Concept 30s a few years ago though. But I flew a friends 60 (just like yours) and fell in love with it. A real peach!

Any 60 size heli engine will do the trick. Zimmerman or Hatori muflers are my choice.

Ian F.
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Old 11-13-2008, 12:25 PM
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Default RE: Need help on possibility an Koyosho concept sr 60

I'm flying a 60SR and by judging by the rotor head you also have an SR. I use the OS 70 heli engine in mine. One thing to keep in mind is that the clutch and fan collar are engine specific. You can save yourself some pain if you know what engine was in it before. If the clutch and fan will fit correctly on the OS 60 you have then they are for the OS 60 class engine so you could use the OS 60, 61 or 70 heli engines. I use the Futaba GY401 gyro. my servos are Futaba s5101 except for the tail rotor which is a Futaba s9254, the tail servo needs to be fast. For the muffler you can use almost any aircraft 60 size muffler but I suggest the OS Silencer or something similar. Tail blades are standard 95mm blades and the main blades are 660mm I use custom made 670mm. I can't imagine why your engine shaft is too short unless you have that large prop washer on there, if you do that needs to come off. The only thing between the clutch bearing and the engine block should be a small washer.
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Old 11-13-2008, 05:33 PM
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Default RE: Need help on possibility an Koyosho concept sr 60

theres no prop washer. When you're fan is on the motor, do you add a nut inside? So my motor don't need prop washer?
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