HK-450TT PRO 3D Torque-Tube - RC Groups
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Jan 30, 2010, 05:29 AM
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Discussion

HK-450TT PRO 3D Torque-Tube


HK-450 CCPM 3D Electric Helicopter Kit (Align T-rex Compatible) Modeled on the famous and proven Align T-Rex 450Pro.
99% parts are compatible with the Align T-Rex 450.

It looks great: http://www.hobbycity.com/hobbyking/s...n_T-Rex_Compat
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Jan 30, 2010, 08:15 AM
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Michael.J.P's Avatar
They do look great, i have ordered two,they are disappearing like hot cakes
Last edited by Michael.J.P; Jan 30, 2010 at 09:35 AM.
Jan 30, 2010, 08:33 AM
Registered User
ww1nut's Avatar
I ordered one to! Was at 47 when I ordered. Now down to 34!
Jan 30, 2010, 08:39 AM
I don't want to "Switch Now"
pmackenzie's Avatar
I placed my order, but the paypal page didn't open


I did get the order confirmation email, so hopefully they will hold mine until they get payment.

Pat MacKenzie
Jan 30, 2010, 08:42 AM
I don't want to "Switch Now"
pmackenzie's Avatar
Went into my account, and was able to pay there

Down to 29 now, moving fast.

Pat MacKenzie
Jan 30, 2010, 09:33 AM
Registered User
Michael.J.P's Avatar
-1 now
Jan 30, 2010, 10:02 AM
resU deretsigeR
went to get one, and they are at -1 Sold like hot cakes.
Last edited by LDGILLS; Jan 31, 2010 at 07:26 PM.
Jan 30, 2010, 10:20 AM
I don't want to "Switch Now"
pmackenzie's Avatar
Quote:
Originally Posted by LDGILLS
, went to get one, and they are at -1 Sold like hot cakes.

Might want to change that to the "censored smiley"

Click on the "email notification" thing HK has.
That will be the fastest way to find out when they are back in stock.

I plan on using the following in mine:

2218 3450kv motor
http://www.hobbyking.com/hobbyking/s...idProduct=9257

3X HGD202 on cyclic (would have selected MG, but they are out of stock)
http://www.hobbyking.com/hobbyking/s...idProduct=5193
HGD210 on tail
http://www.hobbyking.com/hobbyking/s..._/_.07s_/_.9kg
401G gyro
http://www.hobbyking.com/hobbyking/s...ead_Lock_Gyro_

For ESC, either a Castle 45, or the K-force 40 if I can confirm the new firmware has a working governor
http://www.hobbyking.com/hobbyking/s...idProduct=8922

Pat MacKenzie
Jan 30, 2010, 12:10 PM
Team Mulikow
Damn they disappeared faster than the original HK450. -14 already.
Jan 30, 2010, 12:23 PM
Registered User
The new HK-450TT Pro uses a shaft instead of a belt to the tail. Will I feel the difference, and is it necessarly better? I haven't seen it at the CopterX Pro.

Do you think it is a better deal than CopterX 450SE ($70) and CopterX 450 Pro ($90)? (http://www.ehirobo.com/shop/index.php?cPath=334_174)

I have heard a lot about bad screws and not 100% fitting parts in HK copters, but I don't know how this Pro is. And often people upgrade the HK heads to CopterX. Anyone?
Jan 30, 2010, 02:32 PM
Team Mulikow
Shaft is more efficient and belt as drive but it is less tolerant to crashes so increases the cost of repairs. What I like about the HK pro is the V3 head which is stronger than pro head and just as good. My Ideal Pro will have V3 Head, pro frame (its more rigid, pain in the arse to work on but still more rigid), Belt drive.

TT
Jan 30, 2010, 03:33 PM
I don't want to "Switch Now"
pmackenzie's Avatar
It is not a "shaft" it is a "torque tube".
The latter presumably has advantages in being stiffer than a shaft so it will vibrate less.

Pat MacKenzie
Jan 31, 2010, 03:39 AM
Team Mulikow
Thats what I meant..... Sorry for the choice of wrong words "Torque tube" it is.

Btw what is the difference between "shaft" and "torque tube"
Jan 31, 2010, 04:48 AM
I don't want to "Switch Now"
pmackenzie's Avatar
A shaft could be solid.
Lots of helis had shaft drive tails, going all the way back to the Concept 30.
At high rpms the shaft can start to bend between the support bearings creating tail vibrations.

Pat MacKenzie
Jan 31, 2010, 07:25 AM
Redjestird Youser
SidewaysLS4's Avatar
Lol, amazing how that stock vanished in a few hours. That is one seriously cheap 450 Pro...looks like nothing is exclusive anymore with the clone factories in action


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