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HelicopterAerial Photography and Video › My E-Franken-Observer
10-25-2009 06:29 AM  8 years agoPost 21
signwiz

rrApprentice

Lexington, KY

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Are you going to drive the roll axis stabilization using a gyro?
Nice work....I've noted in my limited time using the E Observer. The flex issues with the Gimbal/Verical assembly. Was considering some type of bracing. Thought more along the line of CNC Plate gussets!

Another Approach:
1) Cutting the stock assembly behind the pan servo mount and installing a roll assembly there, letting it roll with springs and gyro stablized for horizontal hold!

2) That would also leave the strength for heavier cameras.

3) I ll draft it for your thoughts!

Nice Work! Good Luck!

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http://fpvone.com

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10-27-2009 02:07 AM  8 years agoPost 22
Makiedog

rrVeteran

Minneapolis

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Signwiz,
That sounds interesting, looking forward to seeing your mod. I just think the Observer platofrm has plenty of opportunities for creative modifications.

Pat L

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10-31-2009 02:21 AM  8 years agoPost 23
Makiedog

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Minneapolis

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The Scorpion motor quit today, luckily it happened during a 3' hover. I tried powering it with a different ESC, but same result- it will spool up (very rough shakes) for 2 seconds, then quit abruptly.

Any idea what happened here? To my knowledge, the motor temp has never been over 145°F.

Pat L

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12-20-2009 04:00 PM  8 years agoPost 24
Makiedog

rrVeteran

Minneapolis

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Quick update to this conversion project:

Turned out, the Scorpion motor was fine, it was the CC HV85 that failed. I've replaced it with a large MegaPower Future HV120 controller, which has performed very reliably over more than 15 short flights, with lot's of spool up/down for fine tuning.

On a whim, I added a hood to the top of the gimbal to:
1) aid orientation
2) reduce buffeting caused by rotor downwash

Have no idea whether #2)is useful, the weather is too darn cold to do any test.

Pat L

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12-21-2009 03:17 AM  8 years agoPost 25
vrwired

rrVeteran

Boulder County, CO

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Looks great Makiedog. I am looking for some longer gear just like that..

I have not really thought of using gear from a plank! Good idea!

If you can remember where you got it from .. let me know..

JR GSR260 - Mark IV Cam Mount
Trex 600NSP
Trex 600 to 700 Stretch
Trex 450SE
Hornet X3D

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12-22-2009 02:05 AM  8 years agoPost 26
Jesper

rrApprentice

Sweden

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Makiedog,

impressed by your results! What kind om vibration dampners are those and were can I get them?

Thanks,

Jesper

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12-22-2009 04:25 PM  8 years agoPost 27
Makiedog

rrVeteran

Minneapolis

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They're stock dampeners from the Observer. I have found that they are sensitive to temperature changes, for instance, they are currently not working well in the winter.

You can find them at: http://www.novibration.com/?gclid=C...CFREeDQodOH48NQ

Pat L

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12-22-2009 04:46 PM  8 years agoPost 28
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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Hmmmmm. Worked well in this cold..course it is electric.

http://www.youtube.com/watch?v=XdvFIznuyQs

Chris D. Bergen

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12-22-2009 09:12 PM  8 years agoPost 29
Makiedog

rrVeteran

Minneapolis

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Chris,
Perhaps I have something else going on outside of the dampeners. I had rock solid pictures prior to the cold, and shakes during the cold (about 15°F). This had led me to conclude the dampeners being at fault, since everything else remained the same.

That was some of the most solid videos I've seen from an Observer Is it stock? As a side note, SD video is usually more tolerent of vibration than HD.

Pat L

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12-22-2009 09:45 PM  8 years agoPost 30
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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I do tend to run different headspeeds in the cold weather, trying different RPM's to find which is the best.

It is a bone stock bird, same as the one on the new episode of Monsterquest...

I agree SD is easier, but I have used the same camera all these years to be able to see any differences in the heli's vs camera equipment...

Have you seen Wendell's video in the cold weather?

Chris D. Bergen

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12-28-2009 07:30 PM  8 years agoPost 31
Jesper

rrApprentice

Sweden

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Makiedog, thanks for the link. Exactly which ones are you using?

/Jesper

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12-29-2009 03:42 AM  8 years agoPost 32
Makiedog

rrVeteran

Minneapolis

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I'mnot certain,mine came with the original Observer. Its probably the cup-style mount, S22 I think.

Pat L

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12-29-2009 10:01 AM  8 years agoPost 33
spiacro

rrApprentice

Athens, Greece

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Nice work!


Spiros

Engine is the HEART of an r/c model, but THE PILOT is it's SOUL.

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