|
|
|
|
|
|
|
|
Great White North
Joined Jun 2008
621 Posts
|
FPV Stryker - Update
Hi Folks
Here is the update and need some help!!! This stryker was previously used for FPV without logger/osd or copilot II. These additional components are pictured in the post above. camera and 910mhz Video transmitter are powered by a separate battery First 3 flights camera and transmitter were not plugged in, but elogger/OSD and copilot was attached. Fight 1 - trimming and balance - was more nose heavy then I liked and extra weight was noticeable, but all went well it. Flight 2 - Copilot II test - pushed components back - still a bit nose heavy but better. confirmed trimming then activated copilot. stabilization worked great. Actually too good - too much gain - weird having to keep stick all the way back and right to make a banking turn. corrected in flight 3 For the next flights - I plugged in the video transmitter and camera First sign of trouble - copilot II preflight trims were now off?? Fight 4 - Decided to launch anyway as trims usually corrects itself. All was good until I activated the copilot - it immediately headed for the ground - was able to turn off copilot, recover, land. I thought maybe the camera was interfering with the main sensor. So I moved the main sensor to the belly and protected it with a makeshift balsa skid and setup copilot for new sensor position. Flight 5 - launched and flew around - video quality was good. Activated copilot - this time it banked and dove - turned off copilot, recovered partially but flew into group of pine trees - luckily only damage was camera broke off its pan servo. So here is the situation. Copilot II works but not when the video transmitter (910mhz) is on. I previously thought my easystar copilot trouble was heat from the camera, but after getting home and bench testing its the transmitter (tried two different ones same issue). Basically the transmitter causes the servos to jitter and move only when copilot is activated, but worse the copilot assumes a new banked aileron orientation when vid transmitter is on. With the vid transmitter moved to the wing tip the situation is better but not solved, Unplugging transmitter returns things to "normal". - So I think this explains my intermittent problems I had with the easy star and more catastrophically today with the stryker. Sorry Bill testing RTH was next but didn't make it there Does anyone else have the new copilot II and using it with a 900mhz Vid transmitter - did you have any problems?? The copilot II is so interconnected between servos, receiver, and OSD pro that I don't know how I could isolate or shield it or whether it is the copilot II new digital sensors or the copilot II computer. If others are using this without problems with a 910mhz video transmitter than the problem might be something else on my end, but I can't think of anything else that would be so related to plugging in an unplugging the transmitter. Any advice? Al Edit: Bentel - passing the baton to you now for RTH testing as I am away for a few days. I presume you are using a 2.4ghz Vid transmitter in Germany- but be careful activating your copilot II. good luck with your tests! |
|
|
||
|
|
Quote:
Matt |
|
|
Latest blog entry: Aerial Mapping UAV
|
||
|
|
|
|
Great White North
Joined Jun 2008
621 Posts
|
Hi Webdr
unfortunately its not just jittering they are moving and the copilot's sensing of what is level is off which is the real problem. This goes away with the video transmitter turned off and when the copilot is off, but transmitter is on, . moving the transmitter to the wing tip doesn't eliminate the problem - stryker is not big enough to move it farther. I have two transmitters range video style from two different sources. What shielding can I use? Ferrites? Al |
|
|
|||
|
|
Quote:
I did the rewiring to connect osd. rx-> osd -> CO2 -> servos but didn't fly it so far. Quote:
I have ferrits in the Tx cable and in the servo cables, try it. How about lowering the gain in the CO2 ? Is the setting of the main/vertical sensor direction correct? You could try it without osd or CO2 servo cables connected. But you saw the comments on my wiring, so what would they say to your wiring :-) I improved the wiring on the pictures, put Tx 3 feet away, not flown so far. regards Volker |
||
|
|
|
|
|
Hi all ive just done a test hover with the eagle tree osd pro and one or two things have come up. Firstly I get sat fix with 9 to 10 sats which is great for my back garden and hdp is between 1.0 and 2.0 .My radar arrow in shows my heli pointing in a slightly different dirrection than true dirrection, I pressume I change this in GPS settings by altering the degrees of gps? Next the home arrow showed when I got sat fix and then now and again just flipped to an astix and back to arrow ,this happened when the hdp changed from 1.0 to 2.0 any ideas?
Ive also got terrible video quality since putting eagle tree on which I believe is due to me having my v tx to close to every thing. I think I need to move v tx to boom position again and away from reciever. Im not going to post a vid coz its really that bad lols. Regards Liam. Firmware version, Version 7.91/OSD Pro FW 1.43 |
|
|
|
|
|
I agree with that but surely the heading arrow shouldnt flip around 180 degrees without the heli turning at all. I took off to around 15 feet high and stayed facing in one dirrection. The radar arrow at first pointed in the right dirrection with the heli and after about 30 seconds the arrow turned 180 degrees and then after another few seconds it switched back. The home arrow also did the same but at different times and sometimes just turned into an astrix.
Regards Liam.
|
|
| Thread Tools | |
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| For Sale BRAND New CP Pro/with extra battery | stgtech2 | Aircraft - Electric - Helis (FS/W) | 0 | Sep 06, 2006 09:35 PM |
| New eolo pro glitches with cc60 | aschen | Electric Heli Talk | 24 | May 20, 2004 08:12 AM |
| FS New Piccolo Fun with bearing upgrade and HA tail motor | Bud Morrison | Aircraft - Electric - Airplanes (FS/W) | 1 | Mar 21, 2004 06:32 PM |
| For Sale: NEW Pic Pro rotor head with stiffening mod | Eco8gator | Aircraft - Electric - Airplanes (FS/W) | 2 | Jun 02, 2003 09:16 PM |