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Helicopter
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Align
Other › Six Main Rotor TRex - Version 1.1
01-22-2007 03:06 PM  10 years agoPost 1
Super-Hornet

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Singapore

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As promise of trying to come out 6 bladed TRex, here is my latest 6 bladed multibladed TRex.

I can say that is is the most complicated multibladed TRex I ever build.

It is fully articulated and with pre-cone hub.

Now, who got "Sikorsky S-64 Flying Crane (CH-54)" or "CH-53 Sea Stallion" scale body for this bird?

(Version 1.0 was completed on Jan 20, 2007. Do some minor changes to the hub on Jan 21, 2007 and thus it is version 1.1 design)

{BTW, blades are Align Pro 335mm. TRex version: Align Carbon Frame eCCPM. No cyclic gyros.}
SH

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01-22-2007 03:27 PM  10 years agoPost 2
slider46

rrProfessor

Ocala Florida

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That is very impressive SH, I'm gathering parts now to try a multi blade head How does this one fly compared to the 3-4-5 blade heads you have built?????

Tom..... No "D" flying....

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01-22-2007 03:35 PM  10 years agoPost 3
Super-Hornet

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Singapore

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Haven't really test it outdoor yet.

Manage to test it during Sunday morning (Jan 21, 2007) but suffers a few problems BUT not from the head itself.

The tail having some problem that causes huge vibration (Tail oscillating up and down). I only bring Align ABS blades that morning and I believe due to now I have total of 6 blades that keep on flexing like spring, the heli also suffers from vibration on certain RPM.

I manage to replace main blades to Align Pro 335m and also fix the tail, now heli is smooth during living room hover. I have to wait till coming funfly to test outdoor.

Again, it also proove that the more blades it has, the more stable it goes.

SH

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01-22-2007 04:09 PM  10 years agoPost 4
Rafael23cc

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Junction City, KS

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Please pardon my ignorance with this queston, but what kind of TRex is that? The head spins counterclockwise, and the tail rotor is on the wrong side of the boom?

I understand it's a modified helicopter, Or did you get the picture developed with a backwards negative?

Rafael

Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com

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01-22-2007 04:14 PM  10 years agoPost 5
lowflyer101

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garden grove, CA

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Please pardon my ignorance with this queston, but what kind of TRex is that? The head spins counterclockwise, and the tail rotor is on the wrong side of the boom?
Scale heli man,, you got everything work and look just like the real thing

<-freedoom flyer->

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01-22-2007 04:17 PM  10 years agoPost 6
caseyjholmes

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Portland, Oregon

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Nice work!

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01-22-2007 04:39 PM  10 years agoPost 7
Rafael23cc

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Junction City, KS

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lowflyer101

Scale heli man
Thanks, I did not know that some of the scale builders went to the extent of reversing the rotation of the blades. And of course when you reverse the rotation of the main blades, you would probably want the tail on the opposite side of the boom. (I knew that part)

Rafael

Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com

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01-22-2007 04:45 PM  10 years agoPost 8
axis

rrApprentice

Lone Star State, USA

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WOW!! video video!!

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01-22-2007 05:35 PM  10 years agoPost 9
Super-Hornet

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Singapore

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Hi Rafael23cc

If u check out those U.S. made heli (real heli), u will notice that they all spin CounterClockWise.

With this 6 bladed heli with elevated tail with 4 tail rotor blades, it will be similar to Sikorsky Sea Stallion or Sky Crane... And those are U.S. made heli and it is CCW rotation with tail rotor on the left.

As for video... I try to ask someone to capture some when I fly it during funfly.

SH

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01-22-2007 05:50 PM  10 years agoPost 10
Rafael23cc

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Junction City, KS

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If u check out those U.S. made heli (real heli), u will notice that they all spin CounterClockWise.
I know that part, Check my gallery to get an idea of my part time job in the last 6 years.

I just did not know that you guys went thru so much trouble to get it so "scale" like. It looks great.

Rafael

Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com

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01-22-2007 06:01 PM  10 years agoPost 11
Gary Jenkins

rrElite Veteran

Nowhere, US

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In an electric heli all you have do to reverse the rotor rotational direction is put the one way bearing in upside down and reverse the motor rotation direction.

That cool Super-Hornet!

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01-22-2007 07:32 PM  10 years agoPost 12
caseyjholmes

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Portland, Oregon

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In an electric heli all you have do to reverse the rotor rotational direction is put the one way bearing in upside down and reverse the motor rotation direction.

That cool Super-Hornet!
Also gives you leading edge controls
You might want to flip the tail belt and paddles around too, but you could just flip the tail blades around instead I suppose..

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01-22-2007 11:58 PM  10 years agoPost 13
Darthdrk

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Munford, Tn

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Rafael, this hobby graduates to a sickness. Money becomes no object and time, whats that....?

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01-23-2007 12:26 AM  10 years agoPost 14
Super-Hornet

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Singapore

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Hi Rafael23cc
I just did not know that you guys went thru so much trouble to get it so "scale" like. It looks great.
For TRex (or any electric belt driven heli I think) is very easy to go CCW rotation.
U just need:
1. Reverse motor spinning direction (swap any 2 wires)
2. Reverse the one way bearing. Flat surface pointing upward.
3. Twist tail boom (together with tail case) 180 Degree CCW.
4. If you TRex body already broken the latch pin for the boom, then go next step. If not, either break the latch or drill one more hole at the boom.
5. Turn belt to the other side instead near the body pulley.
6. Flip Tail blade holder and blades
7. Double confirm the direction of the tail servo and gyro.

Then u are done.
{ Hmm... did I missed out anything? }

SH

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01-23-2007 01:07 AM  10 years agoPost 15
slider46

rrProfessor

Ocala Florida

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I think you have it all covered... I have my Sa almost done, I'm going to set it up with CCW main and flip the tail for the next scale the Huey. I am starting on the elevated tail because I haven't heard a word from Heliworkz on the one I paid for.....

Tom..... No "D" flying....

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01-23-2007 01:37 AM  10 years agoPost 16
Super-Hornet

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Singapore

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I am starting on the elevated tail because I haven't heard a word from Heliworkz
Yeah I guess u can come out your own elevated tail first. Then when the heliworkz elevated tail do arrive, at least u can compare. In this way, u can have 2 elevated tail AND u can learn and improve your design.

Remember that in R/C, another fun of it is to build your own. And u will feel more satisfactory when it actually works. It is like u learn theory in science class and then test it out in the lab.

SH

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01-23-2007 01:53 AM  10 years agoPost 17
slider46

rrProfessor

Ocala Florida

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Your right about building the pats yourself, it is alot more fun. I have the design done I just need to get the beveled guide pulleys for the change of direction...

Tom..... No "D" flying....

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01-23-2007 01:55 AM  10 years agoPost 18
VKGT

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Sanford, NC

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Very impressive! Keep us updated on the progress

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01-23-2007 01:57 AM  10 years agoPost 19
ShellDude

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East Coventry, PA

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HubDave's elevated tail isn't setup to run on the "right" side. At least the one I have isn't.

~~OCHC~~
http://www.glumbert.com/media/spiders

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01-23-2007 01:59 AM  10 years agoPost 20
HiroboEric

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Los Angeles, CA.

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I was working with Jack from JMD Models on his new video for easy finishes on his bodies, Paint, matterials, etc. He said he has a CH53, Black Hawk, etc in the works along with some others as well. Drop him a line for the new bodies.

Eric Pacheco, AirWorksRC.com

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