Building a GoPro carrying beast of an R/C car - without Arduino?
I've gotten it into my head to build a camera platform, primarily for GoPros but depending on its strength and durability perhaps other cameras as well. Seeing as there is nothing for it but to dive in over my head I started looking at robotics platforms and was immediately put off by the condesending tone and the "you's goin' back to schools" amount of reading, studying and groveling for answers at the feet of someone fifteen years my junior - No bleeping way.
So I wanna basically build an RC car from scratch out of a sheet metal box.
As far as I've come up with I need the following:
- An ESC - electric speed controller
- A 4-6 channel Transmitter and receiver combo (been looking at Graupner)
- A power source (to be determined by the motors and ESC)
- A power switch (well duh)
- 4 identical electric motors
- 4 Tires (preferably with a 12-14cm diameter)
So now for the stuff I need help from people that presumably know what they're talking about
What motors should I choose? - My guesstimation to the chassis weight is between 500 g and 1kg but was hoping for a payload capacity of appx. 3-5 kg and a top speed at load of about 8-12 km/h (brisk walking pace to jogging). Been told " geared and with an rpm of 250...ish".
What battery should I use as to get at least 20-30 min out of one charge at 80% of max load (also determined by the choice of motors)
What motor control/ESC should I get - I would like to avoid frying it by putting it under to heavy a load voltage wise when using it the first time.
Finally I need tips on a good transmitter and receiver combo for skid steer since I'll be running the motors at equal rpm's per side controlled by the left and right stick, steering by braking and reversing tank style.
Have I forgotten anything? Feel free to enlighten me if so.
Including my sketches/designs so you know what I am aiming at and should someone feel like building from them please go ahead (film a tutorial for me ;) )
In some of the sketches it shows the use of an Arduino board but I am looking to avoid this, they were early sketches and I didn't notice until I uploaded.
I am also VERY bad at higher level math or physics so please be gentle with me.
PROJECT HAS BEEN PUT ON HOLD DUE TO BUYING A 3D-PRINTER. THANK YOU FOR YOUR ANSWERS ANYWAY.