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Old May 27, 2012, 05:54 AM
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Joined May 2012
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TAIWAN TORNADO 7005 (70EDF Blades)

7005 (70EDF Blades)
Blade dynamic balance doesn't disappear for disassembly, Rc player can optionally replace motor power

Aluminum alloy 7075-T6 CNC OR Aluminum alloy 7009 CNC
diameter: 68mm(7005-1)、69mm(7005-2)、70mm(7005-3)
number of blade:5
weight of one blade: 68mm(14g)、69mm(15g)、70mm(16g)
dynamic balanced point:subtraction
shaft:3.17mm/1.7g & 4.0mm/1.7g
shroud:3.6g

www.tw-tornado.com E-mail:mail@tw-tornado.com

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Old May 27, 2012, 05:56 AM
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Joined May 2012
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TAIWAN TORNADO 7004 (70EDF Blades)

7004 (70EDF Blades)
Blade dynamic balance doesn't disappear for disassembly, Rc player can optionally replace motor power

Aluminum alloy 7075-T6 CNC OR Aluminum alloy 7009
diameter: 68mm(7004-1)、69mm(7004-2)、70mm(7004-3)
number of blade:4
weight of one blade: 68mm(12g)、69mm(13.5g)、70mm(14.7g)
dynamic balanced point:subtraction
shaft:3. 17mm/1.7g & 4. 0mm/1.7g
shroud:3.6g
www.tw-tornado.com E-mail:mail@tw-tornado.com

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Old May 27, 2012, 05:57 AM
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Joined May 2012
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TAIWAN TORNADO 7003 (70EDF Blades)

7003 (70EDF Blades)
Blade dynamic balance doesn't disappear for disassembly, Rc player can optionally replace motor power

Aluminum alloy 7075-T6 CNC OR Aluminum alloy 7009
diameter: 68mm(7003-1)、69mm(7003-2)、70mm(7003-3)
number of blade:3
weight of one blade: 68mm(12g)、69mm(13g)、70mm(14g)
dynamic balanced point:subtraction
shaft:3. 17mm/1.7g & 4. 0mm/1.7g
shroud:3.6g

www.tw-tornado.com E-mail:mail@tw-tornado.com

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Old May 27, 2012, 05:59 AM
Lee Liddle
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Carrollton, Tx
Joined Dec 2006
7,878 Posts
Quote:
Originally Posted by CoolerByTheLake View Post
I guess test stands are out of style. So much easier to hold it in your hand!

Hey, hold my fan and watch this!!!

I gotta admit, they have faith in their products. LOL

They do look pretty good though. I`m intrested. Give us some prices.
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Old May 27, 2012, 06:44 AM
Bypass Ratio = Infinity
scatsob's Avatar
United States, NC, Jacksonville
Joined Apr 2006
1,653 Posts
Are these AMA approved?

Some of the blade on some models look kind of thin, especially the larger models. I guess Gary has not had any problems with his, but I think he demands quality. At the very least they should do dye penetration test to make sure there are no cracks otherwise bad things will happen.
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Old May 27, 2012, 06:51 AM
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Joined Sep 2011
242 Posts
I was quoted USD 350 for 70mm 10blades and USD 550 for 90mm
12 blades. Haha......
These prices are without motor. Will like to see what banana hobby retail price!!!
Will wait and see....
Good luck my friends......
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Old May 27, 2012, 07:59 AM
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Antarctica
Joined Apr 2012
746 Posts
Pricing is way too high, btw, is it true that all EDF unit must be AMA approved?

Like those from Tamjet, ExtremeRC and etc?
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Old May 27, 2012, 08:04 AM
Lee Liddle
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Carrollton, Tx
Joined Dec 2006
7,878 Posts
Yes too expensive for my hobby budget.
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Old May 27, 2012, 08:13 AM
OUCH!!!
Jayray123's Avatar
United States, PA, Erie
Joined Sep 2008
575 Posts
Only metal (of any alloy) must be ama approved
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Old May 27, 2012, 09:20 AM
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San Diego
Joined Jul 2009
2,236 Posts
Can you post the specs and pics one more time?? I didn't get it after the the first 50 posts of the same information....
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Old May 27, 2012, 11:33 AM
Ginger or MaryAnn ??
fh64_lucky's Avatar
United States, TX, Garland
Joined May 2005
3,333 Posts
I pushed Garys 70mm Mach Alloy fans above 64,000 rpm and they been holding up great.Sounds just as smooth from startup to max RPMs. I still would not hold it in my hands though!!
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Old May 27, 2012, 12:52 PM
smug in granny panties
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NorCal Silicon Valley
Joined Aug 2002
11,778 Posts
Pretty! Will look nice sticking out of someone's head after it bores through a glass fuse intact, cause there so durable, after a crash! Lol
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Old May 27, 2012, 01:11 PM
Registered User
Joined May 2012
24 Posts
Dynamic Balanced System of Medal EDF

Dynamic Balanced System of Medal EDF


1:balance level: rotor balancing level is divided into 11 levels, and each level is increased 2.5-fold. The most demanding level is G0.41 which has single, double balance ability and 3D laser scanning, making it suitable for different types of balancing.


2:guiding balance function: based on measured data the software could quickly calculate quality and its angles by providing a well-round guiding balance function.

The operator can easily complete the balancing function by its guiding.


3:Use existing installation condition on and off 2~3 times.


4:Vector decomposition: reasonable vector decomposition should be conducted through calculated balance quality.


5:Balancing Method: test weight method and influence coefficient method;


6:weight-testing estimation: reasonable balancing weight-testing quality shall be estimated through automatically input data of ro tor and can bring result of dynamic balancing.


7:The speed measuring range: 60 ~ 100000r/min


8:Residual unbalance data: Quality for 1mg , vibration data: 0.01mm / s


9:Dynamic balance one time can reduce 95% unbalance chance.


10:Speed Accuracy 1%%
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Old May 27, 2012, 02:16 PM
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capt soap's Avatar
dallas tx
Joined Jun 2003
2,844 Posts
At those prices,, Will buy from gary!!!
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Old May 27, 2012, 02:29 PM
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Joined May 2012
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Price of waiting for the HET Notice
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