3-axis Gimbal balancing with cx760

Joe:

Thanks for taking the time to create that PDF. On the C8 RTF I got from QC, they have mounted the QC 1100 Lipo on the top surface of the right hand forward pointing boom (where you have steel slug). This would appear to achieve the same balancing effect, but without increasing the overall weight of the gimbal by the weight of the steel slug (which I presume you remove before flight).

And congratulations on finding the a use for the those extra plastic rings from the APC props. I've been wondering whether they'd be useful for something!

Do you happen to have a part number for those Radio Shack printed circuit board standoffs? radioshack.com's search engine comes up dry with the search terms you'd expect to use.

Thanks
Andy

 

Hey Joe!

Really nice tutorial you did here, thanks for taking the time to do it!

Best,

Tabb

 

Hi Joe:
I put the Mondo Stinger Tx out on the left front leg, looking at the gimbal from the rear, with the yaw servo on the right hand side of the rear-pointing boom's down-tube. THe Mondo doesn't weigh as much as the servo, but the moment arm is longer.

Thanks for the link for the standoffs. I must have fat-fingered the search terms (or their site was behaving oddly) because I can now find them. Odd.

Thanks
Andy

 

Hi Joe, adjustable tilt brackets are on the way! Will update when they are done.

Thanks!

 

Tabb: I was also wondering whether the camera plate itself is available separately (the boom clamps are but I don't see the plates on QC's web site) -- as I have to fly with several different cameras and each requires customizing -- for example, Joe's modifications at the top of this thread. it would be a lot easier to have dedicated plates for each camera and just mount/de-mount the plates as required.

Thanks
Andy.

 

I will look into that Andy and see that they get added to our spare part list.

Even easier is to have a gimbal for each camera

 

I was thinking the same thought Tabb, but it gets a bit spendy to equip them all with Radians. (I have two 3-Axis gimbals, already, so I'm doing my bit!)

In my dreams there would be some kind of quick release mount and some way to quickly re-balance the gimbal for the new camera. (Joe's "fence" approach is a start). It's not too bad to have to rip off one gimbal and bolt on another...and it improves the FF cash flow (as I hear you thinking....) <evil grin>

 

I use partitioned plastic boxes for all the small crunchy bits (e.g. spares, nuts bolts) and then stacking red plastic crates for the transmitters and plastic tubs that fit in the crates for the FPV monitors, etc.

The C8 itself I just park on the floor in the back of an SUV.

I'm thinking of changing that so the C8 would rest on a "bed" of same sized tubs so nothing can drop onto it!

It is certainly not pretty though -- especially when clients say, "You can park here and then we have to hike six hundred yards to where I want to shoot from." Then I break out the folding photographer's handcart, stack up the red plastic crates, and hand the C8 to the client and say, "Could you carry this?" Very quickly the long hike turns into a suboptimal idea.

I'm not sure how I'm going to deal with having to take two gimbals out on a shoot though. They don't stack well.

Andy.