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Home✈️Aircraft🚁HelicopterAerial Photography and Video › The Jogowerks EX Beta
04-23-2009 02:41 AM  10 years ago
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Vortex Aerial

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Riverside Ca

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The Jogowerks EX Beta
A hair over 22 LBS AUW w/HPX170

Test reports to come.

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04-23-2009 02:54 AM  10 years ago
trackhead

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utah

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You'll probably have some degree of pendulum effect, but perhaps not too much.
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04-23-2009 04:20 AM  10 years ago
Louisiana Helicam

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West Monroe, LA

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Ok, that is tight!www.louisianahelicam.com
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04-23-2009 05:17 AM  10 years ago
rroback

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Irvine (UCI), Ca

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My ex heli is finally gone. I shred a tear.Rhett..... I can't fly, but the Profi sure can.
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04-23-2009 05:59 AM  10 years ago
gjestico

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Vancouver, B.C.

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Is that a can of beans on the tailboom doing an impression of a helicommand Profi ?
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04-23-2009 06:01 AM  10 years ago
tabbytabb

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seattle

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Hope it flies better then my version of this that I tested! Mine had an annoying wobble problem with the low CG. I think the front mount flies sooooo much better.

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04-23-2009 06:07 AM  10 years ago
Vortex Aerial

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Riverside Ca

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Mine had an annoying wobble problem with the low CG
My number one biggest fear. Had the same type of thing with a logo10 and home made pano mount.

The camera gear is a good 7 inches higher up in the heli than when running a full joker frame

This mount rides on a silicone gel suspension but i have really no idea how its going to handle until i fly it.
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04-23-2009 06:15 AM  10 years ago
tabbytabb

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seattle

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Yes, that should help. The HPX is lighter which hopefully will help also.

What silicone gel are you using? Sounds interesting!

Tabb
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04-23-2009 06:19 AM  10 years ago
Vortex Aerial

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Riverside Ca

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The suspended top plate of the mount uses 6 silcone gel grommets. The whole suspension system is 1/4 inch tall.
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04-23-2009 08:18 AM  10 years ago
borneobear

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Kuala Lumpur, Malaysia.

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With the roll axis of the camera being so far lower than the roll axis of the heli, IMHO, its impossible to get rid of the 'swing' / pendulum effect.
http://runryder.com/t505445p1/

For video work, front mount wins hands down.
However, your mount design looks to be front-mount-friendly. Great work!
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04-25-2009 02:47 AM  10 years ago
Vortex Aerial

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Riverside Ca

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Today was a good day!

First test flights today and the heli flys very very well.

Smooth as can be. No sawying or bobbing. Great power. And best of all no dreaded wobble.

Decided to go with a 6.5LB dummy camera load for testing as itll be carrying an EX-1 half of the time.
This put the AUW at a scant 23.5 LBS

I really have hi hopes for Georges IMUs he`ll be shipping.

Cant wait!

Heres vid from the second flight with the gimbal gyros (401s) off and a douche bag running the gimbal (not me ). And yes...its deshaken.

http://www.rcproproductions.com/vid...o_mount_hc5.wmv
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04-25-2009 04:01 AM  10 years ago
trackhead

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utah

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Looks good!

You might not have pendulum because you managed to set up that mount lighter than stock and have a fairly light camera.

Congrats.
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04-25-2009 12:49 PM  10 years ago
rerazor

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Mich.

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Nice!!!!!

Success!
Robert
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04-27-2009 04:54 AM  10 years ago
Vortex Aerial

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Riverside Ca

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Tested in the 90 degree heat of the Coachella Valley this weekend.

No heat related issuse thus far. Think i will swap out the RT830s for the 790 NHPs the joker came with. Its a bit flighty at this wieght with such large blades.

Heres another test vid

http://www.rcproproductions.com/vid...a_palm_farm.wmv
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04-27-2009 01:38 PM  10 years ago
rerazor

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Mich.

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Looking good, can't wait to see your results with the DJI XP3. Robert
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04-27-2009 07:02 PM  10 years ago
trackhead

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utah

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You must have done something different on your heli set-up or in post, as the second video is not as smooth as the first.

What post stabilization are you using?
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04-27-2009 07:29 PM  10 years ago
Vortex Aerial

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Riverside Ca

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I could be wrong but the heat may have softened the G-10 top plate and made the mount kinda bouncy.
I was very paranoid about weight when i built this so now ill be doing some structural mods to most likely get rid of the bouncing

Will post more footage soon.
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04-28-2009 04:17 PM  10 years ago
XeeN

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Los Angeles, CA

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Vortex, can you post some pre-deshaken video? I'd like to see examples before post-processing occurs. I know it's not at its final stage yet of course.
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04-28-2009 08:51 PM  10 years ago
Vortex Aerial

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Riverside Ca

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Pretty sure this is getting sorted out. Fabbed and installed heavy duty mount plates. Looks like it may have done the trick.

Raw edit (no deshaker)

http://www.rcproproductions.com/video/jogo_4_28_09.wmv

Raw edit (deshaker)

http://www.rcproproductions.com/vid..._4_28_09_ds.wmv
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04-28-2009 09:42 PM  10 years ago
XeeN

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Los Angeles, CA

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The raw video looks really good even without a deshaker pass. I do notice a very very slight vibration sometimes during a few of your turns. I only notice it if I focus on the outer edges. Is that coming from the whole chopper body or is it a slight wobble amplified from the give in the silicon grommets?

[edit: I don't think anyone who wasn't flying choppers and dealing with this a lot would ever notice that vibration, by the way]
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