[DivenParker]

I have a plan to DIY a quadcopter. There is a list about the Materials, some I have bought, but some others I don't know how to choose, I hope you can give me some advice.
Frame: High load requirements, up to several kilograms, Commonly used nylon, carbon fiber, they are high-strength low-weight     
matrials
Motors: Brushless motor, to provide more lift
Electronic Speed Control: Brushless motors have a special sequence control, and need large current output, you can buy a brand Electronic Speed Control.
Propellers: Larger and Thicker propellers, To provide more lift
Battery: 3s 2200mAh lipo battery
Main Control Board: Dedicated main Control Board, with its Own stability program; External inputs and outputs used to dock
Remote control: 2.4G radio: Long distance control, Dedicated remote control
This is my plan, but most matrials I have not bought. Just need some advice. Thanks.

[jtrout19]

What exactly are you wanting to do? You say heavy lift. But thats it, are yoy wanting to lift a nice camera to do arial photography? What have you bought so far? Give us some more info

[TheOtherCliff]

The one thing you listed a spec on, the battery, is a bit small if you want to lift several kilograms. 

Don't be afraid to experiment, any reasonable quad will fly, but do your homework before you buy stuff.

I would recommend starting with a cheap alien/reptile 500 quad + landing gear from eBay (about $16 + $3 shipped).  If you put cheap 2212 motors ($5) on it, it will fly, but won't lift much.  You really can't get much cheaper than that and it is a good learning project.  Don't buy cheap Lipos from eBay unless they are name brand.

KV900 to KV1200 motors match well with 3s Lipos and roughly 10 inch props

http://www.ebay.com/itm/HJ-MWC-X-Mode-Alien-Multicopter-Quadcopter-Frame-Kit-Red-OO55-/162159307356
http://www.ebay.com/itm/Universal-Tall-Landing-Gear-Skid-for-DJI-F450-F550-FPV-Aerial-Quadcopter-Perfect-/182280967891
http://www.ebay.com/itm/A2212-1000Kv-Brushless-Drone-Outrunner-Motor-For-Aircraft-Helicopter-Quadcopter-/142113041677

ESCs are another topic.  30a ESCs are cheap and can lift what you ask if you have good motors and matching props...  Learn about SiLabs vs. Atmel (CPU) ESCs.  I use both, whatever I can get cheaply.  I also have the hardware and knowledge to flash both kinds.  You should learn about flashing them.  I use cheap eBay ESCs, but sometimes they come with old bad firmware, so I always flash them before using them even once.