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CJ6 GT composite blades

 
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ALEXGTPROPELLERS



Joined: 19 Jan 2011
Posts: 27
Location: Italy

PostPosted: Tue Jun 11, 2019 11:14 pm    Post subject: CJ6 GT composite blades Reply with quote

HI all,I'm happy to inform the CJ6 operators about the progress of composite blades for the stock 285 HP chinese motor.

The GT2V146.-250 blades are the direct replacement of metal blades perfectly compatible with the OEM hub.NO modifications are required.
Here's the picture of the most complicated part,the metal adaptor that has to be synchronized with femal thread.
More pics ASAP.

Best regards for now Alex Tonini

https://www.facebook.com/GtProp/photos/pcb.1933986780039389/1934017176703016/?type=3&theater


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Harv



Joined: 01 Jul 2010
Posts: 140

PostPosted: Wed Jun 12, 2019 10:35 am    Post subject: Re: CJ6 GT composite blades Reply with quote

Alex

These look fantastic, what's the weight difference between stock blades as a pair and these, do we assume a new W&B is required?

Happy to act as a test mule if you need a stock CJ and Housai motor with prop hub to get certification, contact me off line

Harv


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ALEXGTPROPELLERS



Joined: 19 Jan 2011
Posts: 27
Location: Italy

PostPosted: Wed Jun 12, 2019 11:34 am    Post subject: Re: CJ6 GT composite blades Reply with quote

HI,I m impressed so many emails by CJers stock reached my desk,Thanks !

Single OEM blade is 13 kg while the GT composite single is 7 kg.Go metric on metric machine !! Now hub has 12kg less,what the CJ experts are saying about CG ? I'm not that expert so advises are useful.
Thanks Alex


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wlannon(at)shaw.ca
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PostPosted: Wed Jun 12, 2019 7:32 pm    Post subject: CJ6 GT composite blades Reply with quote

Looking very good Alex!

For your information the stock J9 Chinese alum. alloy blade weighs 19.5 to
20 lbs. or 8.8 to 9 Kgs.

Since the CJ in civil use requires a considerable amount of nose up ballast
the small addition that may be required is easily handled. It may well, in
fact, be a negligible amount and of no consequence.

To satisfy my curiosity; Are your blades built over a structural wood
base, like MT or a plastic foam base?

Regards;
Walt
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wlannon(at)shaw.ca
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PostPosted: Thu Jun 13, 2019 9:29 am    Post subject: CJ6 GT composite blades Reply with quote

Duh!

I should have written "the small reduction that -----".

Never learn "read first, then send"

Walt

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