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Sky Ranger Helicopter Rotor Blades Empty Sky Ranger Helicopter Rotor Blades

Post  smcmanus Fri Nov 12, 2021 2:55 pm

I have another old toy in need of help. One rotor blade is broken.
My question is: Can I replace the old straight rotor blades with the newer style dropped tip style blades?
They are about the same size length, and the chord is slightly longer on the newer blades.
Thanks
Steve
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Post  Marleysky Fri Nov 12, 2021 10:14 pm

I checked mine and they all are the "dropped tip" version, except for the 020 powered SkyCopter. The SkyCopter has a "thiner" root and is about the same overall length as the dropped tip ones. I think if you replaced them in a set of four to maintain balance it should be fine.
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Post  smcmanus Mon Nov 15, 2021 2:15 pm

Here is a picture comparison between the older straight blades and the newer dropped tip blades.  The new ones snap right in place and see no reason why they won't work.Sky Ranger Helicopter Rotor Blades Img_3512
Sky Ranger Helicopter Rotor Blades Img_3511
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Sky Ranger Helicopter Rotor Blades Empty just 2 more questions....

Post  smcmanus Thu Nov 18, 2021 12:43 pm

The needle valve stem is in contact with the rotor blade grip spring. Is this correct?
Where can I get the little snap clip that acts as the Jesus nut on the bottom of the rotor mast?
See picsSky Ranger Helicopter Rotor Blades Img_3513
Sky Ranger Helicopter Rotor Blades Img_3514
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Sky Ranger Helicopter Rotor Blades Empty Just one more thing...

Post  smcmanus Thu Nov 18, 2021 1:51 pm

I was looking at my other Cox copters and noticed that only this Sky Ranger had this integral tank type engine. The engine is centered in the rotor system which makes the whole rotor system noticeably out of balance. Looking at internet pictures, almost all Cox copters use an offset mount and "postage stamp" type engine.
Is this the correct engine for the Sky Ranger?
Thanks
SteveSky Ranger Helicopter Rotor Blades Img_3515
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Post  Marleysky Thu Nov 18, 2021 2:26 pm

Yup, the “Sky Ranger” was a tanked Bee engine.
Go to the instructions sheets; short cut  : https://60d46b49-a-62cb3a1a-s-sites.googlegroups.com/site/coxengineid/Cox%20Attack%20Cobra%20owners%20manual.pdf?attachauth=ANoY7cp9uKYiTSanVyXX4sazVkVqMojJXBlQgg33e7Gp5tvtZtHLgzvrceFJKCVZ4GmDEvibw7g_JlRHdFJkomt8M-jzWxjW52fXSrWjpTxXQm65XGEpzkAGLZ3eh8CaP-FlPpvSJbi-Wp9MPZpFwzNLcx8Brt0bYbipFAvmd4cTek_JQn6YHmayU4sgtD8jWnqG9SYnW1VPUNKsGG3n7WnRabFXVHXnkPjvA8hSdZjZ9c8NImxxroo%3D&attredirects=0&d=1

Or view these pictures : Sky Ranger Helicopter Rotor Blades 28156210
Sky Ranger Helicopter Rotor Blades C823f110

You will have to do some bending to get the alignment needed for proper balance and flight. I don’t recall having  any with the NV so close to the wire.  

This guy has had this on CL for over a year....don’t know when he’ll realize that no one will pay his asking price!!  Yeah, note even his NV is close to the wire!!
Sky Ranger Helicopter Rotor Blades C2e36410
Sky Ranger Helicopter Rotor Blades 0894a510
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Post  Marleysky Thu Nov 18, 2021 2:42 pm

[quote="smcmanus”
Where can I get the little snap clip that acts as the Jesus nut on the bottom of the rotor mast?
[/quote]

I would try  Ace Hardware, Home depo or even Meanards.

Sky Ranger Helicopter Rotor Blades 51a70b10
Sky Ranger Helicopter Rotor Blades 507d4d10
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