START HERE |
|
Register | FAQ | PM | Events | Groups | Blogs | Calendar | Mark Forums Read |
Unregistered
|
Aerial Videography and Photography Aerial Video/Photo from R/C Helicopters |
|
LinkBack | Thread Tools | Display Modes |
09-04-2010, 08:13 AM | #1 (permalink) |
Registered Users
Join Date: Feb 2010
|
How to use two Gyros in one transmitter.?
I think I maybe want to buy two Futaba 401 Gyros for my camera mount, to get smoother video filming. Can I use two gyros in one transmitter? I think I might need to buy another transmitter for controlling the camera, but can I use two gyros in for example Futaba 7C or Futaba 10C?
And, is there any gyros that can be fully functionally, but not take any channels to set gain, etc. For example a gyro that get the pan and tilt where they are supposed to, but not turn 180 degrees around. A gyro that work like every other, but when I take a turn, it will not rotate to keep it where it pointed before I started to turn, if you understand what I mean. Cheers
__________________
Don't drink and drive, just smoke and fly! |
Sponsored Links | |||
Advertisement |
|
09-04-2010, 11:05 AM | #2 (permalink) |
Registered Users
|
Yes.
you can use two gyros on one reciever. the GY401 will work without the gain channel connected, the gain and mode (HH or Rate) will need to be adjusted on the gyro itself. About the other question, maybe it will work if you set the pan-gyro to Rate mode. And yes, you will need a seperate RC-system for the camera mount, as you would certainly crash it if you tried controlling the heli and camera at the same time. cheapest solution is to get a buddy that flies helis/planes allready and just buy a reciever and use him and his remote to control the camera..
__________________
Helibug Mercury 800, Henseleit TD-NT, Henseleit TDR, Tarot FY680, XuGong-10, TBS Disco PRO, Blackout Miniquad, Futaba 14SG, EZuhf. |
09-04-2010, 12:37 PM | #3 (permalink) |
Registered Users
Thread Starter
Join Date: Feb 2010
|
I tested the mount earlier the day, and the Gopro have so much waves in the image. And it gets blurry. I will try to have some mongel between the gorpo tripod and gopro, and see how that will work out..
__________________
Don't drink and drive, just smoke and fly! |
09-04-2010, 01:30 PM | #4 (permalink) | |
Registered Users
|
Quote:
Or is it some internal adjustments on the board itself?
__________________
|
|
09-04-2010, 01:34 PM | #5 (permalink) |
Registered Users
Join Date: Dec 2008
|
the 401 MUST use the aux gain channel to adjust gain. It can't be adjusted manually. Only the 240 can be done manually but that is not advised for use on pan or you will have tangled wire issues because the gimbal will always point in the same direction regardless of the helicopter heading.
You need the ability to reduce gain to 0% when turning the helicopter around, thus the 401 is a requirement. You'll need an aux channel for each axis unless by chance the gain value is the same at which point a "Y" connector can be used. |
09-04-2010, 03:45 PM | #6 (permalink) |
Registered Users
Thread Starter
Join Date: Feb 2010
|
I tried your mount later this day PS1. Seems like a good one! It's not your camera mount, but some minor tuning to my heli. Maybe I gonna buy new main shaft and spindel. I will also see through the bearings tomorrow. I tried the Gopro, and it had "roller effect?" Or the image go up and down like a wave.. It was some vibration as well, so I got to get rid of those.
__________________
Don't drink and drive, just smoke and fly! |
09-04-2010, 04:32 PM | #7 (permalink) |
Registered Users
|
Sorry, I was thinking about the GY240, THAT one has the gain and mode switches, but can not be controlled remotely, my bad..
__________________
Helibug Mercury 800, Henseleit TD-NT, Henseleit TDR, Tarot FY680, XuGong-10, TBS Disco PRO, Blackout Miniquad, Futaba 14SG, EZuhf. |
09-06-2010, 02:16 AM | #9 (permalink) |
Registered Users
Join Date: Apr 2009
|
You can use GY401 (and all other gyros also) without remote gain setting perfectly. You just need servo tester (like this: http://www.rcmarket.org/servo-tester...-pr-41176.html) to generate pulses for gyro gain input.
__________________
Joel Tammet EU distributor for DJI Innovations. www.coptercam.ee |
09-06-2010, 03:39 AM | #10 (permalink) | |
Registered Users
|
Quote:
Can you please explain in steps how you would combine the servo tester and the GY240 and TX settings and channels on tilt if the camera is controlled by a Futaba 7C?
__________________
8S Trex 500 3026-1000KV, Jazz 55 10 32, Sportbec, 3 9650mg's, Vistabi V Bar V4 / JR8900. 8S Trex 600esp 4025-890KV, Jazz 55 10 32 with heatsink, Herc HC/HV bec, 3 JR8915's, Vistabi V Bar V4 / JR8900. |
|
09-07-2010, 07:57 AM | #11 (permalink) | |
Registered Users
Join Date: Sep 2008
|
Quote:
Im also trying to figure out the gyro set up for the front mount. Will a 240 with a set gain work on the titlt axis? And how do others overcome the gain issue on the pan axis ? I also have two of these http://www.spartan-rc.com/products/v...visionlock.php Im hoping they can be used in line to reduce drift I have been studying this thread https://www.helifreak.com/showthread.php?t=164895 Where can I read up on how? This seems to be the last hurdle to get over before test flght. Thanks |
|
09-07-2010, 01:39 PM | #12 (permalink) |
Registered Users
Join Date: Jul 2010
|
you want a three axis gyro if you wanna keep it really stable lol
__________________
Trex 450 build incoming Belt CP V2 carbon - Crashed & under repair Twister FP 35mhz FM - might make 2.4 dunno 4ch co-axle indoor micro - rainy days & night time 3ch co-axle indoor micro - visitors and possible converts |
09-09-2010, 07:11 AM | #13 (permalink) |
Registered Users
Join Date: Sep 2010
|
Since gain is just taken as a percentage from a channel, if you have enough channels and a tx that will allow you to map them to any switch/aux channel (as PS1 said), you can control the gain of multiple gyros. You'll need a switch/pot/variable control for each on your tx, nor sure if the DX7 of Futaba 7C has this.
We use an Aurora 9 which is excellent since you can map pretty much any channel to any switch so we can control both gyro gains on the variable sliders and we have a switch mapped to set these to 0 when the heli is being turned 180 or more. 7 channels is enough for this along with direct pan/tilt and shutter control, with the option to use 9 if you wanted roll in the mix as well.
__________________
Jack W Horizon AP |
10-07-2010, 08:04 PM | #14 (permalink) |
Registered Users
Join Date: May 2010
|
Is there a tutorial on this anywehre?
Links please. |
10-13-2010, 10:06 PM | #15 (permalink) |
Registered Users
Join Date: Apr 2008
|
How about this idea.
Using a DX7. 1. Put a GY240 on the tail and set gain manually. This leaves 2 free channels. Use 1 for gain on Pan so you can have it active or switch off the gyro as needed. And use the other for gain on tilt and roll using a Y.In this way you can switch off the gyros easily in flight when you change position.Only problem is remote triggering the shutter. If you can do this through some other RF link or IR link.Then you have a 3 axis set up on a DX7. 2. Or you could leave the tilt and roll gyros as GY240 and set the gain manually, thus leaving one free channel for a servo to trigger the shutter. Have only the pan gyro with remote gain. In this way the camera stays level and pointing up or down in the way you want. I think either scenario will work, but I am only speaking from theoretical basis at the moment. |
10-15-2010, 03:19 PM | #16 (permalink) |
Registered Users
Join Date: Apr 2008
|
Can anyone tell me if my idea(s) is(are) workable?
|
Thread Tools | |
Display Modes | |
|
|