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Leading supplier of pneumatic valves, fittings and controls; the essential elements of any homemade cannon or heavy-duty turret.

A good collection of high-quality paintball parts, including regulators, fittings, barrels, etc.

Complete line of CO2 paintball equipment and supplies, including Parker Hannefin 3.5oz, 7oz, 10oz, 12oz and 20oz aluminium tanks with either Pin or On-Off values.

Full line of CO2 paintball equipment and supplies, including Brass Eagle 3.5oz, 7oz, 9oz, 12oz and 20oz tanks with Pin values.

Wide assortment of scooter motors, controllers and parts. In stock items are clearly marked and service is excellent.

Home of the Talon SR brushed motor controller, which is dependable, compact and lower-priced than equivalent competitors.

This site is operated by Team Nightmare, one of the veteran robot warrior teams, and they have a great collection of motors and other equipment used in that arena. You'll pay a little extra accordingly, but they have a good selection and lots of technical information about each alternative.

A collection of electronic parts, motors and drive components used by many of the top robot battlers. Most of the equipment provides capabilities well in excess of those required for R/C tank combat, and the prices reflect such high levels as well. Nonetheless, there are plenty of components to examine and compare.

Not a supplier of parts, but a good supplier of information about how to build different kinds of electric drive, steering and suspension systems.

Over 390,000 industrial supply products including pipes, fittings, pumps, process control, instrumentation, fabricating, sawing, machining, power transmission, etc. They claim that 98% of the items ordered are shipped from stock.

One of the nation's largest direct marketers of industrial supplies and equipment. They have an extensive list of products of all kind and they guarantee same day shipment.

Del City has been a direct source for professional grade electrical supplies since 1947. Purchase automotive wire, wiring, cable, electrical terminals, connectors, clamps, grommets, circuit breakers, fuses, switches, testers, cable ties, loom, and thousands of other electrical products, all backed by the best personal service in the industry.

A web site that specializes in selling small quantities of metals and plastics of all kinds, including stainless, copper, brass, bronze, aluminum, steel, nylon, delrin, and teflon.

Wheels, wheels, wheels. If you can't find the right size wheel here, then it doesn't roll.

When you've got to carry a heavy load, there's nothing like ball bearings to keep things rolling. This site sells nothing but ball bearings and probably has what you're looking for.

The largest selection of tractor parts in the U.S.A. (formerly Central Tractor) Lots of chains, sprockets, hubs and pulleys to drive your vehicle.

JayDee is the Largest Stocking Warehouse in North America for Farm and Agricultural V-belts.

The name says it all: they make small fasteners.

A unique service that provides you with free CAD software that can be used to design parts, which they will then produce for you out of a variety of materials. So, if you need machined parts and don't have the necessary time, talent or equipment, give them a try.

Leading supplier of composite cloths, materials and resins for both large and small jobs. Prices are much better than local boat supply stores, and the quality is better than auto parts stores.

Since 1895 (yep, over 100 years) Smooth-On has been providing liquid rubbers and plastics for artists, industry and, now, R/C tanks.

Industrial, Commercial and Consumer plastic products. Good source for plastic rods, sheets, boxes, bottles, tubing, bags, etc.

If you want a secure and stable harness for holding your R/C transmitter whilst walking or running around the battlefield, this is the web site for you.

Manufactures and sells a family of products that hit the right spot when it comes to R/C tank combat. Heavy duty, reliable and affordable speed controls and control circuits.

Cheap Control Systems was founded to provide the R/C market with quality control systems that provide hobbyists with the solutions they need, but that don't cost a lot of money in the process. Moreover, all Cheap Control Systems are designed to be easily fixed whenever necessary.

Designs, manufactures and sells a wide assortment of circuits and electronic components that can be used to solve a range of control problems. Excellent technical support and quality components.

Electronic components and circuits useful for a wide variety of robotic and r/c projects.

Just like the name says, they sell lots of things associated with R/C servos on this web site, including a collection of Hitec and Futaba radios. They have an interesting servo gearbox that increases the torque and travel time of a standard servo four-fold ... quite useful for an elevate mechanism.

Lots of new electronic parts, including automotive, high-amp parts, with a good on-line catalog and reasonable prices.

When you need a couple of doo-dads or thing-a-ma-bobs, this is a good place to find new and surplus electronics.

Long-time (30 years) supplier of electronic parts with over 12,000 items in their catalog.

An extensive catalog of electronic parts, although prices are a little high for small quantities, they almost always have what you need.

With over 400,000 electronic parts in their on-line catalog, if they don't have what you're looking for, it probably doesn't exist.

Manufactures and sells R/C mixer and controller boards that allow two tracks to be steered using a single joystick.

Manufactures and sells a wide range of heavy duty speed controls that are relatively expensive, but seem to be the favorites of combat robot builders.

A true surplus store that has a little bit of everything mechanical, with some pretty good deals. But when they run out of a given item, you might not see it again, so buy some spares when they're in stock (the web site conveniently lets you know exactly how many they have in stock).

According to their web site, they have "Incredible Stuff, Unbelievable Prices!", which is easy to believe after you see their catalog. It's also one of the most humorous surplus catalogs you'll ever read.

A well-stocked electronic surplus provider that has a nice supply of motors and other valuable parts. Some slightly worn, some take-outs, some new, some good prices.

A well-stocked surplus parts provider with excellent service quality and quick response time on orders.