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HelicopterAerial Photography and Video › My new AP ship!
09-06-2009 06:06 AM  8 years agoPost 1
ActionAP

rrApprentice

Brisbane, Queensland

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Hey all, just thought I would share my first attempt at building an AP heli!
It is a Trex 600 streched to 700 running SAB red devil 710s
Flybarless using helicommand rigid.

Jive 80+HV
Xera 4030 3y motor
2x 6s zippy 5000mah for 12s flightpack
Perfect regualtor supplying 7.6v to the futaba BLS 451 cyclic servos running off a seperate 3s servo pack.
Futaba s9254 on the tail.
The 3s servo pack also supplies 6v to the camera mount servos via a 5a BEC and direct 12v to the camera downlink.
Photoship One 3x mount
Custom machined main bearing blocks with thrust bearings sharing the load.
Custom machined tail pitch slider
Quick UK swash and tail grips
rotor tech 105 tail blades
RJX flybarless head

I am still testing but I just got 20 min hover time leaving 20% in the packs!(without the 5d2 camera) Pulling 11a in hover. The headspeed is still too high. I will try with a smaller pinion. I am hoping I can maintain that 20 mins with camera if I drop some headspeed.

Don't know AUW yet but I think it is about 6.5 kg with camera.
It flies very well. It had less vibes at the higher headspeed and i'm hoping I am in a natural frequency of vibration now because the whip antenna on the mount is vibrating slightly.
I guess I have now joined the endless search for vibration free camera mounts!
My biggest problem now is orientation! I can't tell which way its going so I must put some fluro on the front of the mount.

Here are some photos. Any comments are appreciated

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09-06-2009 06:12 AM  8 years agoPost 2
SeismicCWave

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Hilo, Hawaii

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Looks good. A big colorful round ball canopy in the front will help orientation.

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09-06-2009 06:58 AM  8 years agoPost 3
jffry7

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On the Field Flying

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Nice rig...I have almost the same setup but I havent completed mine yet

Edit:

The linkage rod between blade grip and swash, did you go for 60mm or 65mm? I remember RJX manual says one is for 50 size and the other is 90 size heli. Since this is almost same size as 90 did you set yours to 65mm?

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09-06-2009 09:25 AM  8 years agoPost 4
ActionAP

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Brisbane, Queensland

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Cheers...I believe it is 60mm. It's the ones that came with the RJX 50 head.
Don't know how far they are threaded into the links but it looks like 60.
When you get it flying I would appreciate your helicommand settings under the rigid tab to compare

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09-06-2009 12:04 PM  8 years agoPost 5
jffry7

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On the Field Flying

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Unfortunately I dismantle the stretched 600 before I could fly her with HC Rigid and flybarless setup. Victor from coptercams confirmed that CF-23 will be release this month or the next. Now I'm torn between getting it or going for MJ3DD. If I find time to put her up again I'll post my settings...hope you'll post yours too...

EDIT:
BTW i think the RJX kit is suppose to come with both linkage rod. I know I have 2 sets. I'll check it again

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09-06-2009 12:37 PM  8 years agoPost 6
lele

rrVeteran

italy

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Very nice rig. I would only pay attention to the head, you may read here:

http://runryder.com/helicopter/t514149p1/

lele

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09-06-2009 11:37 PM  8 years agoPost 7
CRCR

rrApprentice

Aus

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Very nice setup!

Do you think there is any need for a heat sink on the Jive or does it stay pretty cool?

Is your ESC fixed to the heli with velcro and cable ties or just cable ties? just curious as I wondering how to fix mine.

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09-06-2009 11:40 PM  8 years agoPost 8
cranester

rrKey Veteran

Bogota, Colombia

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Nice bird, I'd love to see some video.

Juan Crane

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09-07-2009 01:28 AM  8 years agoPost 9
Griffo

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Melbourne / Canberra, Australia

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Nice heli Action AP. Where do you plan on flying it? Would love to see some video.
Victor from coptercams confirmed that CF-23 will be release this month or the next
He's been saying that for a long time now.

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09-07-2009 01:46 AM  8 years agoPost 10
rsalazar

rrElite Veteran

Florida, USA

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Very nice AP heli

I hope you can post some photos or video

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09-07-2009 04:08 AM  8 years agoPost 11
ActionAP

rrApprentice

Brisbane, Queensland

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Thanks guys! I plan on getting the camera on her very shortly. This weekend was just to see it it would fly.
I will post some video from the 5d2 ASAP.

Lele, I have seen that thread but I don't think the follower could fail under what I will be doing. It looks pleany strong (maybe I got one of the new ones)

CRCR, I had a flat throttle curve of 90 to start but dropped it to 50 just to see how it would fly. Both times the Jive came down as cool as if it was sitting on the bench. I don't believe for this application it needs a heat sinc. As stated I'm pulling 11A in hover and the jive is good to 80A without a heat sinc
I have fixed it with velcro and zip ties. The ties make impressions in the soft case but I think they are necessary.

Thanks for your comments

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09-07-2009 11:27 PM  8 years agoPost 12
ActionAP

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Brisbane, Queensland

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Just weighed her. 6.6 kg ready to fly with camera.
Not too bad I don't think

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09-07-2009 11:56 PM  8 years agoPost 13
cranester

rrKey Veteran

Bogota, Colombia

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Just make sure you are not using an algn pinion on the motor, those will break under load, I have broken two already, get a steel pinion.

Juan Crane

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09-08-2009 08:38 AM  8 years agoPost 14
ActionAP

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Brisbane, Queensland

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Really! thanks for the heads up. How do they fail? Teeth come off? Split in 2?

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09-08-2009 11:46 AM  8 years agoPost 15
cranester

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Bogota, Colombia

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The teeth will just break off, I use rihno gears now.

Juan Crane

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11-17-2009 01:44 AM  8 years agoPost 16
ActionAP

rrApprentice

Brisbane, Queensland

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There have been some questions about how I have modified the PS1 3x. Here are some photos. I am still not happy with how the gravety roll is working and will be eagerly waiting the development of the ps1 ring mount

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11-17-2009 07:53 AM  8 years agoPost 17
Seablade

rrKey Veteran

earth

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...

"Vini, Vidi, Velcro"

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11-17-2009 06:38 PM  8 years agoPost 18
Jesper

rrApprentice

Sweden

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How come you removed the third axis on the camera gimbal?

/Jesper

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11-18-2009 12:16 AM  8 years agoPost 19
ActionAP

rrApprentice

Brisbane, Queensland

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The roll axis still exists, it is now a pivot from the top using gravety to centre. The reason I did this is the way the 3x was initially flexed too much and created a sideways swaying motion that was hard to remove. It would have worked ok with a lighter camera but my 5d2 is almost 2 kgs with lens. My mod has removed the swaying but does not gravety level as well as I thought. A servo controlled roll is necessary for video in my opinion

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11-18-2009 12:37 AM  8 years agoPost 20
Jesper

rrApprentice

Sweden

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I bought a 3X sometime ago and I am planning to put it on my stretched Logo 600. Also if I get things sorted out, I was planning to buy the new 7D....which is about the same weight as the 5D2.

So the third gimbal wasn't stiff enough to carry the weight of 5D? Do you think it would have made a difference if it was carbon or thicker G10?

My current mount uses gravity-leveling, but I havn't been able to get it to work real good for me either...

/Jesper

By the way, I really like the video you posted..

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