600mm scale rotor blades from SmartModel - RC Groups
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Aug 06, 2011, 02:05 PM
Registered User
Horseman's Avatar
Question

600mm scale rotor blades from SmartModel


Hello all,

I read this (old) post and I'm wondering if someone will tell his experience with those 600 size blades. mainly the swept wing/tip version

I'm building the Apache from Smart models at this moment.
And I have just received the four blade tail rotor head for it with the new blades (kind of fiber plastic) and they all looks very very good.
So I'm very curious how the scale main blades are doing

Kind regards,

Jan,
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Aug 08, 2011, 04:18 PM
kin
kin
Composite factory
Quote:
Originally Posted by Horseman
Hello all,

I read this (old) post and I'm wondering if someone will tell his experience with those 600 size blades. mainly the swept wing/tip version

I'm building the Apache from Smart models at this moment.
And I have just received the four blade tail rotor head for it with the new blades (kind of fiber plastic) and they all looks very very good.
So I'm very curious how the scale main blades are doing

Kind regards,

Jan,
The firberglass version coming out soon !
Aug 08, 2011, 10:38 PM
Registered User
Will there be fiberglass versions larger than 600?
Aug 08, 2011, 11:05 PM
kin
kin
Composite factory
Quote:
Originally Posted by teamdavey
Will there be fiberglass versions larger than 600?
i just follow the real and down size in this 600 size !
Aug 09, 2011, 05:24 AM
Registered User
Horseman's Avatar
Thanks Kin,
Aug 19, 2011, 02:23 PM
kin
kin
Composite factory
The 600mm eurocopter blades and 810mm Bell uh-1 blades come out soon!
Oct 05, 2011, 02:53 PM
Registered User
Bowman813's Avatar
Hello Kin, is there a release date, please?

Many thanks, regards from France.
Denis
Oct 18, 2011, 05:05 AM
kin
kin
Composite factory
Dear Guys ! a news is ..........maybe matel blades coming soon !
Oct 18, 2011, 05:08 AM
kin
kin
Composite factory
Quote:
Originally Posted by Bowman813
Hello Kin, is there a release date, please?

Many thanks, regards from France.
Denis
still need some safty test ! it is not TOYS
Nov 01, 2011, 08:10 AM
Registered User
Horseman's Avatar
Quote:
Originally Posted by kin
The firberglass version coming out soon !

Hi Kin,

Any news about the scale 600 size blades (hopefully with swept tips)
Would be a nice fit for my Apache..
And I don't see any 4 blade heads anymore on your website, and also on the TF website they are for a looooong time not on stock??

Looking forwards for your reaction.

Kind regards,

Jan,
Nov 01, 2011, 11:52 AM
Registered User
Quote:
Originally Posted by kin
i just follow the real and down size in this 600 size !
Every well respected RC helicopter blade designer that I have ever talked to, have all said the same thing. They ALL say, and have explained to me, how copying full scale blades do NOT result in efficient rotor blades for RC helicopters.

In a nutshell, that is because the airfoils and tips of full scale blades are optimized to be efficient at air speeds that are approaching the speed of sound, while our RC blades operate at much lower air speeds.

Though a full scale heli rotor may rotate at only 300 RPM, because their blades are so long, the outer portion is traveling at near sonic speed. On the other hand, though our RC helis rotate at far greater RPMs, their blades are a lot shorter, so that the airspeed at the tips are a lot less.

This means the airfoils and tip designs of decent RC blades will be a lot different then those for full scale helis. Ditto for the inner support and weight distribution aspects to the overall designs.
Nov 01, 2011, 01:46 PM
Registered User
Horseman's Avatar
Hi,

Still without the swept wing tips I think they are great but not for sale anymore

And Kin has said that they will be back, but when?

regards,

jan,


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