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500 Class Electric Helicopters 500 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 11-06-2012, 03:49 PM   #1
jkkmobile
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Default My 12S T-Rex 500 aka JKK500HV


My frame compared to original:



More 3d pictures:













Some pictures:

















Specs:

Frame: Custom made 12S Align Trex 500
Gyro: BeastX
Motor: Scorpion 4025 20T - 630kv 2,7kW - 3.5kW
ESC: YGE60HV
BEC: Hercules WRL-HBECHC
Battery: 2 x Wolts 6S 1300mAh 35C or 2 x GensAce 1800mAh 50C
Cyclic servos: 3 x DS510
Tail servo: DS650
Blades: Align 3G
Weight: 2090g with 1300mAh batteries
HS range 2800rpm to 3400rpm normally YGE governed IU1 3000rpm IU2 3200rpm.

3300rpm ungoverned on the video at 7:05


I have been having great time with it! Will post some more videos later...
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Old 11-06-2012, 05:42 PM   #2
Ozz58
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unbelievable!!!!

Great job, do you have a day job?

I am in awe, don't know what to say.

Craig
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Old 11-06-2012, 06:03 PM   #3
zeeflyboy
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Fantastic, lovely design.... You have access to the CNC equipment yourself?

You should sell these to be honest, the frame looks beautiful.
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Old 11-06-2012, 06:27 PM   #4
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Well, I'm impressed!
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Old 11-06-2012, 06:46 PM   #5
sarmeneau
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how much for a frame set?
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Old 11-06-2012, 10:15 PM   #6
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Very impressive!
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Old 11-07-2012, 12:46 AM   #7
neckis
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Man, that is awesom where can I get one.
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Old 11-07-2012, 02:02 AM   #8
pxpep
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Great! You use the same motor as I do in my 12s 600. What an awesome powerhouse for a 500 size helicopter
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Old 11-07-2012, 07:00 AM   #9
jkkmobile
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Thank you for your comments!

I do have a small cnc which I used to make it..





I would love to make it to others too but it takes a lot of time for me to cut the frames and I just don't have the time right now. I asked some local companies for quotes but they are asking too much. ( over 250 dollars )

If you really want one, send me PM and I will check if it could be possible.


This frame uses 500E / ELF ( not PRO ) parts like main blocks, 2 motor blocks ( one as vertical stiffener ) and front tail assembly and you also need 2 sets of trex 550 frame mounting blocks ( H55019 ) and 2 sets of 250 feathering shafts for the velcro mounts ( H25015 ) I also used 600pro screw set ( H60216 ) I wanted to use as much stock parts as possible but without compromising the outcome so only things I made are the cf frames and front cyclic servo mounts.



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Old 11-07-2012, 07:38 AM   #10
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I must say you've inspired me somewhat...

I might look to make my own custom frame for my 600 Pro to address the cyclic servo positioning.

Project for next year maybe.
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Old 11-08-2012, 05:55 AM   #11
jkkmobile
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Quote:
Originally Posted by zeeflyboy View Post
I must say you've inspired me somewhat...

I might look to make my own custom frame for my 600 Pro to address the cyclic servo positioning.

Project for next year maybe.
X7 style servo holders might do it?
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Old 11-08-2012, 09:00 AM   #12
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Have you considered that whe you double the weight you increase the load per square sm. on the blades, and all in all the load on the main rotor?



Vasil
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Old 11-08-2012, 09:32 AM   #13
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Kinda combined a align 500 and a logo nice!
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Old 11-08-2012, 05:29 PM   #14
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We have two of these at work, I'm in managment and don't run the machine but if I could get your die line I can cut one out for myself.


Craig
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Old 11-08-2012, 05:39 PM   #15
AirbusDriver
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Excellent Job!!


Sent from my SpaceShipOne
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Old 11-08-2012, 07:05 PM   #16
jkkmobile
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Quote:
Originally Posted by Vasil View Post
Have you considered that whe you double the weight you increase the load per square sm. on the blades, and all in all the load on the main rotor?



Vasil
It doesn't weight double the original.. it weights around 10% more if you compare it to the lightest builds.. and about the same as the heaviest builds.

And for sure I am loading it more and giving hard time to it but it seems to like it





Btw, to all who sent me PM about it, I will try to answer all questions here on this tread soon...
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Old 11-08-2012, 07:17 PM   #17
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What a monster man! Excellent job! I'm def. jealous.
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Old 11-13-2012, 04:23 AM   #18
jkkmobile
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Brain on it now... test flight up next

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Old 11-13-2012, 06:32 AM   #19
Vasil
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Nice! Where did you get this metal mounting plate for the FBL system? We are awaiting vids.



Vasil
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Old 11-13-2012, 06:56 AM   #20
SJo1
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Great work Juuso

I have seen this heli on our field and it's really impressive in terms of quality and performance.

-Samppa
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