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aramsdell · 04-29-2008, 09:56 PM

Here's mine. Double duty. I have a 2.4 Ghz Rx and a 900 Mhz Rx. 11.1v 3S2P, 4000ma total, for power. 7" LCD monitor. Small charger is for the 2.4 downlink . It has a built in Li-ion. Case was a discarded grinder case from a big-box store.
Foam at side of pic # 2 lays between halves to protect the LCD while transporting.

paintballkidz · 04-29-2008, 10:12 PM

How does a downlink work? I don't understand/

aramsdell · 04-29-2008, 10:30 PM

A digital camera's video-out is sent to a 'downlink' transmitter. What you see is my ground based receivers.
My airborn cameras are a Canon G9 and Canon A640. Both of these will give a 'live' preview at their video-out jack(at the expense of turning off the camera's display screen).
A cable runs from the jack to a small transmitter on the heli. The transmitter runs on a 900ma 3S lipo.

paintballkidz · 04-29-2008, 11:02 PM

Why do some helis have those tiny spy cameras on them along with the main AP camera as a downlink?

aramsdell · 04-29-2008, 11:21 PM

Some cameras cannot 'do' video out in shooting mode for various reasons. D-SLR's for instance. So on some cameras the designer has placed a spycam either alongside the regular camera or actually lookng into the camera's viewfinder.

corvette321 · 04-29-2008, 11:44 PM

i like how you installed it in a box like that

bullaculla · 04-30-2008, 01:38 AM

Mine is in a pelican. Made the lid mount myself, and its all removeable since its held in with dual lock, even the tripod mount. No sense in drilling holes in a waterproof case

I dont have a good close shot, so here is an old one...

Actual DSLR preview on LCD (hard to find 4:3 LCDs these days)

Actual photo from camera

Hogster · 04-30-2008, 08:12 AM

Here is mine

http://www.rcgroups.com/forums/showthread.php?t=675714

David

corvette321 · 04-30-2008, 12:27 PM

bullacula:

i really like your design!!

can u show what a dual lock is??

i want to do the same thing.

thanks

robert1 · 04-30-2008, 01:30 PM

Hoggster, i followed your thread and all i can say is "you are a genius" im going to borrow some of your ideas, thanks for the posting!!!!!

bullaculla · 05-01-2008, 12:35 AM

Quote:

Originally Posted by corvette321

can u show what a dual lock is??

Its a type of velco made by 3M, but both sides are the same. If you look closely at it, they look like long mushrooms, so when you press them together, they really stay. I use it everywhere instead of velcro. And usually, for things like Lipos, instead of lining up the strips, I make crosses or cut off some mushrooms because a whole strip will usually tear off the adhesive before the little hooks let go.

http://www.andybaird.com/travels/gertie/superlock.htm

David's is awesome, and reminds me of my speaker box building days

Hogster · 05-01-2008, 06:10 AM

Hmmmmmmmmmmmmmmmmmmm .....

Just goes to show that even though something *looks* nice, doesn't mean for a second that it will work

(click to enlarge)

Just after take off there was a MASSIVE vibration which shook the ball off its mounts (breaking a hole in the back .... fixable though I think), detaching both tail-boom supports, shaking the battery loose, and breaking the hot-glue holding the receiver battery and receiver to its mount ...... Looks like those Lord mounts aren't going to work for me after all :o Ah well, back to the drawing board :rolleyes:

I think I will rigidly fix the mount to the frame and isolate the vibration just around the camera ..... *thinks*

David

PS. Onboard video to follow shortly ....

04-29-2008, 09:56 PM	#1 (permalink)
aramsdell Registered Users Join Date: Aug 2006	Show your downlink. Here's mine. Double duty. I have a 2.4 Ghz Rx and a 900 Mhz Rx. 11.1v 3S2P, 4000ma total, for power. 7" LCD monitor. Small charger is for the 2.4 downlink . It has a built in Li-ion. Case was a discarded grinder case from a big-box store. Foam at side of pic # 2 lays between halves to protect the LCD while transporting. Attached Thumbnails __________________ Swift .46 on 6S,Homebuilt Swift HELICAM on 5S,TREX 450 HDE (Mech mix),TREX 450 custom HDE to direct CCPM conversion helicam with stretch boom and 350's, Blade3D with custom frame and belt drive . Last edited by aramsdell; 04-29-2008 at 09:59 PM.. Reason: add

04-29-2008, 10:30 PM	#3 (permalink)
aramsdell Registered Users Thread Starter Join Date: Aug 2006	A digital camera's video-out is sent to a 'downlink' transmitter. What you see is my ground based receivers. My airborn cameras are a Canon G9 and Canon A640. Both of these will give a 'live' preview at their video-out jack(at the expense of turning off the camera's display screen). A cable runs from the jack to a small transmitter on the heli. The transmitter runs on a 900ma 3S lipo. __________________ Swift .46 on 6S,Homebuilt Swift HELICAM on 5S,TREX 450 HDE (Mech mix),TREX 450 custom HDE to direct CCPM conversion helicam with stretch boom and 350's, Blade3D with custom frame and belt drive .

04-29-2008, 11:21 PM	#5 (permalink)
aramsdell Registered Users Thread Starter Join Date: Aug 2006	Some cameras cannot 'do' video out in shooting mode for various reasons. D-SLR's for instance. So on some cameras the designer has placed a spycam either alongside the regular camera or actually lookng into the camera's viewfinder. __________________ Swift .46 on 6S,Homebuilt Swift HELICAM on 5S,TREX 450 HDE (Mech mix),TREX 450 custom HDE to direct CCPM conversion helicam with stretch boom and 350's, Blade3D with custom frame and belt drive .

04-30-2008, 01:38 AM	#7 (permalink)
bullaculla Registered Users Join Date: Nov 2006	Mine is in a pelican. Made the lid mount myself, and its all removeable since its held in with dual lock, even the tripod mount. No sense in drilling holes in a waterproof case I dont have a good close shot, so here is an old one... Actual DSLR preview on LCD (hard to find 4:3 LCDs these days) Actual photo from camera __________________ T-Rex 600 HFE-stretched to 700, 10s, Tango 45-08, Jazz 55, JR7703D/S8900G, DJ Vegh nose cam mount. T-Rex 600 HFX-stretched to 700, 10s, Orbit 30-12, Jazz 55, GY611/S9256, Askman 360 mount. JR X9303.

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04-29-2008, 10:12 PM	#2 (permalink)
paintballkidz Registered Users Join Date: Feb 2008	How does a downlink work? I don't understand/

04-29-2008, 11:02 PM	#4 (permalink)
paintballkidz Registered Users Join Date: Feb 2008	Why do some helis have those tiny spy cameras on them along with the main AP camera as a downlink?

04-29-2008, 11:44 PM	#6 (permalink)
corvette321 Join Date: Mar 2008	i like how you installed it in a box like that

04-30-2008, 08:12 AM	#8 (permalink)
Hogster Registered Users Join Date: Jul 2005	Here is mine http://www.rcgroups.com/forums/showthread.php?t=675714 David

04-30-2008, 12:27 PM	#9 (permalink)
corvette321 Join Date: Mar 2008	bullacula: i really like your design!! can u show what a dual lock is?? i want to do the same thing. thanks

04-30-2008, 01:30 PM	#10 (permalink)
robert1 Registered Users Join Date: Feb 2007	Hoggster, i followed your thread and all i can say is "you are a genius" im going to borrow some of your ideas, thanks for the posting!!!!!

05-01-2008, 06:10 AM	#12 (permalink)
Hogster Registered Users Join Date: Jul 2005	Hmmmmmmmmmmmmmmmmmmm ..... Just goes to show that even though something looks nice, doesn't mean for a second that it will work (click to enlarge) Just after take off there was a MASSIVE vibration which shook the ball off its mounts (breaking a hole in the back .... fixable though I think), detaching both tail-boom supports, shaking the battery loose, and breaking the hot-glue holding the receiver battery and receiver to its mount ...... Looks like those Lord mounts aren't going to work for me after all :o Ah well, back to the drawing board :rolleyes: I think I will rigidly fix the mount to the frame and isolate the vibration just around the camera ..... thinks David PS. Onboard video to follow shortly ....

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