Gender
Male
About
Location
Honolulu, HI
Please tell us a bit about your UAV interest
Quadcopter for now.
Hometown:
Honolulu
Activity Feed
"Aluminum behaves close to perfect electrical conductor (PEC) for electromagnetic waves. It will not attenuate the wave but reflect it very well. This can be a good thing or a bad thing. It can be bad if you are flying directly overhead and the…"
"I bought these 620kV motors a while back and was really disappointed.
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=...
They look pretty similar to the ones you are considering. They are really heavy, the shaft is small and…"
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=...
They look pretty similar to the ones you are considering. They are really heavy, the shaft is small and…"
"Thanks Murray! My primary goal here is weight savings. I have noticed that my quad handles MUCH better as it gets lighter so I am going to proceed with the mind set of light weight = stability = fewer crashes. I appreciate and respect your push…"
"I am planning to cnc some fiberglass or carbon fiber soon. I thought I would try and get your guys feedback first though. Will you guys take a look at the pictures and provide some corrective criticism?"
"@mdrm, the video DEFINITELY looks like your CG is off. You might also make sure you calibrated your esc's.
@Murray, the props do make it quiet. Thanks for the encouragement! I wish now (in retrospect) that I would have just copied your exact setup…"
@Murray, the props do make it quiet. Thanks for the encouragement! I wish now (in retrospect) that I would have just copied your exact setup…"
"@ Murray and Daniel: Thanks for the feedback! The arms are shorter than spec as I built this frame for 12" props. I have another frame that is bigger but it was pretty mangled when my quad went inverted and plunged from a few hundred feet (drinking…"
"Well, I figured out my problem. My quad was just too heavy. I spent a lot of time making aluminum parts (like gopro holder, battery holder, and landing gear) so it would be really durable but the weight killed the flight characteristics.
In my…"
In my…"
"Still waiting on parts but I wanted to update and hopefully get some feedback. I have been spending a lot of time trying to tune the PID values on my quad since I got the new motors and props. The great news is that I am able to achieve 21 minute…"
"My quad is a constant work in progress so I am not using the same parts as in the pictures anymore. The setup that is pictured only gets about 10min flight time. Here are the specs for that build:
D2836/11 750kv motors
12x4.5 SF props
3s 3Ahr 20c…"
D2836/11 750kv motors
12x4.5 SF props
3s 3Ahr 20c…"
"I did move the battery aft to help with balancing. I also have to trim back pitch pretty far but not all the way."
"Murray, thanks for the design. I built one according to your specs and I am very happy. Great job!"
