Introducing Version 2 of my 'Vibration Free' Camera Mount.
I am constantly looking for ways to improve aerial video from my multi-rotor craft. The camera mount is a key component in the quest for perfect video. Securing the camera firmly while isolating it from motor and propeller vibration is a real challenge.
This design is implemented on my new quadcopter. I wanted sharp 1080p video at a variety of speeds and throttle settings.
The following factors are fundamental to a successful design:
- Use of a variety of materials that absorb different frequencies of vibration
- Firm mechanical design of the camera support (wide base provides stability)
- Mass to dampen vibration (flight battery is located on the camera / flight controller frame)
Above you can see the red silicone rubber tube. This is the key to this new design. It isolates vibration from the motor frame and camera mount.
The silicone tube can be sourced from eBay and is a car accessory described as:
Silicone / silicon Vacuum Hose RED 10mm
Make sure you get the type that has a wall thickness of 3mm.
Cut a 10mm piece from the silicone tube and drill a 2mm hole through it. Use 2 X 2mm bolts and washers to secure it to the frame. Make sure you use a washer against the silicone tube and bolt head to ensure the bolt can't be pulled through. Use four of these to mount the frame carrying the camera, flight controller and flight battery. This simple design is extremely strong in compression and tension.
A sandwich of Velcro is used to attached the camera mount to the frame. This filters out any remaining vibration that has not been suppressed by the silicone tubing.
The mass of the battery absorbs any remaining vibration that manages to pass through the red silicone tube.
Enjoy vibration free video!
Further tips:
All materials resonate at certain frequencies. At some frequencies they 'resonate' or transmit vibration extremely well, this is called the 'harmonic frequency'. By adjusting the lengths of the motor arms, or the material the arms are made of you can de-tune the harmonic frequency and thus reduce overall vibration. Changing propeller size (or pitch) and consequently motor speed can also de-tune the harmonic frequency.
Any chance of perhaps sharing the plans for your frame design in CAD form if available? ;-)
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I made mine with hearplugs, check on my new facebook page, and click like if you do :)
facebook.com/dronescreation
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i see you have the new gps osd from hk . i have got the same onee and was wondering if you reflashed yours for a home arrow or if you are using it standard . im busy with my new quad build and the osd is going on that .
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i like the new design . but i see it does not fold .
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Also did you ever get any of the FG parts cut and ready for sale?
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I would still like to get frames cut to sell as kits but have not found a company that will cut them at a reasonable cost. I am still looking and will post here if they become available.
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