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HelicopterAerial Photography and Video › Trex 500 camera ship - unretouched test photos up on P 2
01-01-2010 09:37 AM  7 years agoPost 21
Stet

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Key Largo FL

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Actually, it turns out that all of the AP gear adds about 13 oz not including the 12.7 oz camera. This makes me think that the next steps will be to shed weight.

keepin' it real

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01-01-2010 10:21 PM  7 years agoPost 22
bassman

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Alberta, Canada

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Does it mean that in your AP rig the total weight of mount including all accessories (downlink, transmitter and camera batteries) is 13 oz. approx.?

thanks!

"I believe I can FLY"

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01-01-2010 10:37 PM  7 years agoPost 23
Stet

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Key Largo FL

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No, 13 plus 12.7

I compared a stock Trex to mine weighing both. But the camera version has a bunch of metal upgrades which I think I will remove to see how much I give back

keepin' it real

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01-01-2010 11:21 PM  7 years agoPost 24
bassman

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Alberta, Canada

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Thanks bro. got it 13oz for all accessories plus the 12.7oz for the cam. I just want to justify if my TREX500 AP project is feasible based on your experience, although we have different mount coz I'm using averticalview front camera mount w/c I believe is heavier than yours.

I'm losing this project and might proceed with the TREX600 AP project.

regards, jon

"I believe I can FLY"

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01-02-2010 06:40 AM  7 years agoPost 25
Stet

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Key Largo FL

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It flies with all the weight with no problem. It climbs fast and is stable. I use this size because I need stealth for the shots I do. Like I said, the 3000 battery is getting me a safe 5+ minutes.

I am considering changing back to stock belt drive with plastic case, plastic tail grips, and plastic bottom plate which is now aluminum. Also will consider shaving down the noodles but they are very light already.

If your mount is heavier, you might consider redesigning it.

Eventually I am hoping to start producing mounts similar to Askman's, but all carbon and lighter with a variety of configurations. I would like to produce kits similar to what you see that I have built here, to bolt on the twin-boom suspension system. I feel that is the best and simplest method to hang the gymbal.

keepin' it real

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01-26-2010 07:28 PM  7 years agoPost 26
Stet

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Key Largo FL

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Revisions

Made some changes

Moved camera out to the end of the booms to get more range of motion.

Created battery tray to move battery aft to compensate.

Swapped out 3D stabilizer for the 2D version

Swapped out 2.4 downlink for 900mHz Range Video version (nice)

Swapped out PCM flight receiver for 2.4

Had some vertical fin vibs so removed the metal grips and NHP blades and replaced with plastic stock with balancer dogbone bolts. Shakes gone.

Testing with Vbar shows that max cyclic gain is about 35, and agility at 15 with 20% expo in TX seems stable. Higher cyclic gains and it twitches and acts weird.

Absolutely no problem lifting all the extra weight which as it turns out is 24 Oz. No problem in forward flight either.

keepin' it real

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01-27-2010 04:55 PM  7 years agoPost 27
colsy

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Cambridge, UK

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I'm Curious why you went FBL.
Any reason for this ?

col.

Only Quote From Experience.

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01-27-2010 05:22 PM  7 years agoPost 28
Stet

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Key Largo FL

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The FBL systems add a lot of stability, especially in wind. Coupled with the fact that you are not pushing the paddles through the air at 2600rpm, you save a significant amount of power giving longer flight times.

keepin' it real

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01-28-2010 03:48 PM  7 years agoPost 29
Jetset

rrApprentice

Picton, Ontario Canada

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AP

I really like this, great job!

Howzitgoin' eh? Goin' fast in the "Great White North"

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01-31-2010 07:11 AM  7 years agoPost 30
Stet

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Key Largo FL

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Tested the General Laser stabilizer today. Worked perfect, no negative interaction with the VBar. The whole thing is rock solid stable. Now I am looking to see what kind of batteries to get.

keepin' it real

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06-20-2010 04:47 AM  7 years agoPost 31
Stet

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Key Largo FL

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Good Photos

We also shot video with the G9 and were surprised how well it worked (expected worse on the first test flight). Nothing great, just shows the system has potential.

Here's the stills, unretouched jpg.

If the heli is hovering the mount stays level with the horizon.

Here's the video

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

keepin' it real

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HelicopterAerial Photography and Video › Trex 500 camera ship - unretouched test photos up on P 2
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