Good enough...as long as the interconnecting pieces/parts are strong as well. Then again, maybe those want to be a bit weaker for a cheaper breaking point. Don't know. Depends on how you design it.I am probably going to make the frame from a couple of broken fishing rods made from carbon fiber, I have it to hand it strong and light.
Not even...unless you're building a REALLY small quad.Are the little vibration motors powerful enough for use with a small quad copter?
I wouldn't. Mobile phone batt's are engineered more for a lower current draw and longer life rather than dumping a lot of power "right now".I would like to use mobile phone batteries in parallel to power the motors, are these a good choice or are there better ways weight for weight?
Again, not even. Solar panels weigh a lot more than they're worth on almost anything flying, or driving for that matter. Those might be best built into a panel that keeps your quad charging battery topped off.If I get a load of solar cells that you solder yourself, is it worth covering the thing in them to help charge the batteries? or are they a waste of time and energy considering the extra weight.
Depends fully on the design, weight, performance expected, batteries powering it, moon phase, oh, and don't forget color of the bladesWhat motors would you use? and why?
Your just spoiling my fun!!!!! but point taken, so what about HDD motors? any good power to weight wise? I know its hard not knowing much about what I am going to build, but then again I dont really know yet either!
Go to a hobby store and see all the small radio controlled quad copters. They all use Li-Po lightweight batteries. The hobby store will sell you the motors, propellers and batteries.
I saw one that was so small I could cover it with one hand. Most use motors similar to vibration motors and have brushes that wear out soon. Almost all quad copters have gyroscopes (MEMS accelerometer ICs) to make them very stable. Their flights last about 5 minutes to 10 minutes then the battery needs to be replaced and re-charged. Many can carry a keychain camera.
I have had a long long read over there, excellent information but proves I have yet again over simplified in my mind what was needed. I assumed it would be pretty straight forward, so what I am going to do is get my old helicopter up and running, use that to make my own controller (I have a good reason for this), this will stop me getting bored and fed up while I prepare for the quad. I have put my bike and other stuff on ebay this weekend along with some other bits. I will use the money to get some decent motors, yes I could use cheaper ones but little point.I recommend having a good read over at https://diydrones.com/ before starting.
If you are aiming for autonomous control then have a good read of anything that mentions Direction Cosine Matrix.
Have fun.
Mike.
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