"Great work, I am looking forward to receiving and installing on my quad"
ctech4285's Discussions
H.264 video compression daughtercard/shield?
Started this discussion. Last reply by Tommy Larsen Jul 29, 2012. 1 Reply 0 Likes
Hello,so we have this guy who is working on a 40km…Continue
How about a auto recharge landing platform for copters?
Started this discussion. Last reply by Crispin Jan 3, 2012. 18 Replies 1 Like
so i been toying with this ideabuck charge controller board in the quadsimple contacts on landing gear to make contact with the platformlanding pad with contactsmaybe 19V supply (notebook ac…Continue
Flight efficancy a different perspective
Started this discussion. Last reply by ctech4285 Jul 20, 2011. 1 Reply 0 Likes
lets consider that the wing of a plane uses the same mechanism to generate thrust then a propeller or rocket engine, that is accelerate a mass to cause a force in the opposite direction. and lets…Continue
Dev for hire list?
Started Jul 20, 2011 0 Replies 0 Likes
lets make a Dev for hire liststate your experience/interests/passions in one or two sentence.i say no close source stuff, but i supose it's up to peoples tast,... Continue
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Latest Activity
Brent commented on ctech4285's blog post Open Grabber Electro Permanent Magnet Kickstarter Project ends on the 26 of December
ctech4285 posted a blog postOpen Grabber Electro Permanent Magnet Kickstarter Project ends on the 26 of December
Hello,There has been a lot of support from this community for this project, a lot more than I expected initially. The kickstarter funding periods is set to end in three days. It has been a very interesting ride so far and this is what we already have taken care of:Importing of Chemicals for PCB fabrication, everything from Iron(|||) chloride to Silkscreen and conformal coding to Electro Nickel Plating stuff has been arrange, and let me tell you it was not easy, you can't just drop of a gallon…See More
ctech4285 commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"there is an update in the post regarding compass interference...basically there will be no problems"
ctech4285 posted a blog postElectro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)
Small light Open Source/HW electro-permanent 10kg (ideal) cargo holding magnet for the DIY multicopter drone and robotics communitiesI stumbled upon this idea by reading this great article by Travis Deyle about electro-permanent magnets. These magnets are programmed (on off) with a current pulse. No static energy is required. Changing the…See More
lot commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"Anybody knows if this permanent magnent can affect to the readings to the magnetometer?How much distance we need to keep?"
sergei lupashin commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"Worst-case, one should be able to cancel out any magnetic side-effects by using two magnetometers at two different known distances to the EP magnet. (as long as you're not saturating everything to hell of course). And as a bonus, you get a…"
Andrew Bremer commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"Ah yes I see it now - looks promising. Well you have my money in the kickstarter so hope it helps!"
Andrew Bremer commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"What kind of power consumption will it have while active?"
Jean-Baptiste commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"@Andrew "The complete device will have a mass of about 50 grams capable of holding a mass of 10kg in optimal conditions, in practice it should securely hold 1kg of cargo on a quadrocopter.""
Andrew Bremer commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"That design looks awesome dude - I've thrown $45 at it so far! Also, how heavy is the magnet assembly itself going to be out of interest?"
Jack Crossfire commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"No fair that my fully assembled $50 twig didn't get funded, but the electromagnet does."
DeveloperR_Lefebvre commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)
"We've discussed this elsewhere, but I believe it to be a non-issue. As long as the magnet is far enough away from the APM. We'll see, but I'm confident it's either not a problem, or easy to solve with MuMetal.
I have…"
Helldesk commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"How much does mu-metal cost? Covering all but the business end with such plating might attenuate the magnetic field a little bit. Also, can the current compass library learn two different states of a source of static magnetic interference?"
Eric Lewis commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"As stated in the article The issue of the magnetic field interfering with the compass may be a deal breaker. Maybe some good mounting of hardware can overcome the issue.
Goodluck"
Travis commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)"EP Magnets are AWESOME. I wrote an extensive article about them over on Hizook a while back that explains the physics. Go check it out:…"
ModeratorRuwan commented on ctech4285's blog post Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)
"Great project. Backed! "
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Ctech4285's Blog
Open Grabber Electro Permanent Magnet Kickstarter Project ends on the 26 of December
Posted on December 23, 2012 at 5:35pm 1 Comment 2 Likes
Hello,
There has been a lot of support from this community for this project, a lot more than I expected initially. The kickstarter funding periods is set to end in three days. It has been a very interesting ride so far and this is what we already have taken care of:
Importing of Chemicals for PCB fabrication, everything from Iron(|||) chloride to Silkscreen and conformal coding to Electro…
Continue Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)
Posted on November 27, 2012 at 9:30am 15 Comments 3 Likes
Small light Open Source/HW electro-permanent 10kg (ideal) cargo holding magnet for the DIY multicopter drone and robotics communities
I stumbled upon this idea by reading this great article by Travis Deyle about electro-permanent magnets. These magnets are programmed (on off) with a current pulse. No static energy is…
Continue 3D Printed quadcopter parts on ShapeWays.com
Posted on March 8, 2012 at 2:00pm 9 Comments 0 Likes
Motor 12mm Tube mount in stainless steel!
What do you guys think?
what parts would you like me to…
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