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Boca Bearings . Modefo's RC Helicopters . XHELI.COM

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Robbe Cuatro - Millennium - Nova - Dyna-X > Better Tail rotor hub and slider. Check it out.
 
 
rappy112
Senior Heliman
Location: Guelph Ont.

Hey all for the last year I have been blowing up tail rotor hubs, they just shear off at the narrows part of the hub. I have done every thing to stop this down to balancing the hole assembly as one. Well I blew the tail hub off for the last time, I decided to find a solution for the problem. The answer was Align 600 tail grips/hub and slider assembly, they work great and bolt up pretty simply. The only difference between the Robbe hub and 600h hub is the ball link on the 600 assembly is on the leading edge so you will have to check the direction of your tail before you fly. Plus the 600 tail hub assembly is a little smaller in diameter. That never made a big difference in the air. The bonus with this is the assembly and hub and grips and bearings cost maybe $40 bucks YAHOOOOOOOOOOOOO!!!!! Where the Robbe hub alone cost $30 not to mention what the slider assembly costs.



Regards


Kevin.



Proud member of Team Bob00
06-24-2007 Over year old.
 
 
helinutz
Senior Heliman
Location: Bournemouth, Dorset, UK

Dont know what your doing to "blow up" your hubs.
Had a milly for more years than I care to remember, and can never recall having to replace the hub or any part of the tail except for crash damage.
What are you doing to cause it to fail?

Think of how stupid the average person is, and realize half of them are stupider than that
06-24-2007 Over year old.
 
 
rappy112
Senior Heliman
Location: Guelph Ont.

Like yourself I have flown Robbe's for years, I have never had any prob's up until 2 years ago. My summery of why is 3 fold, one I think Robbe is using cheap metal to make there hubs, second it could be the gyros we use "GY611" have put alot of demand on the whole tail system 3rd or it could be my flying style. My Flying style is very demanding on the heli 75% of my flight would be made up of pirouetting. One maneuver I do that I know is very demanding on any heli is piro flip reversal, going from left hand piro flip to right hand piro flip. One other thing the hub we are using on the Robbe line of heli is the original hub that came on their Milli 1 which was a 60-size machine. The original tail hub even uses 2mm bolt to hold the tail blade grip on, this needs to be changed to 3mm. I think Robbe machines are the best machines around bar none, but as with all machines they have certain issues mine issue with Robbe right now is the tail rotor hub.


Those are my conclusions.


Kevin

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Proud member of Team Bob00
06-24-2007 Over year old.
 
 
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Autography FlightPower . Advantage Hobby . Revolution Models

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Robbe Cuatro - Millennium - Nova - Dyna-X > Better Tail rotor hub and slider. Check it out.
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