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Cartie hints and tips

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Joined: 18 Nov 2004
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PostPosted: Sun Apr 03, 2005 10:58 pm    Post subject: Cartie hints and tips Reply with quote

Here are some of the things I've learned during my extensive build&test session this weekend.

1) Wear sturdy clothing when you're testing, including a helmet and gloves. Cravel rash is not nice - trust me. They get the stones out using dettol and a wire brush.

2). Test early and test often - as soon as you have something that you think might but a runner, get it out and test it. Now is the time to be fixing the problems, not 11.30 on 10th June.

3). Any nuts need to be locked - thread lock, lock nut, drilled and pinned bolt, "Nylock" type locking nut, etc. These things vibrate like a big vibraty thing, and you can guarantee that the most important nut on the cartie will shake loose at exactly the wrong time.

4). Traditional "cartie style" steering is very twitchy and makes handling very difficult. I crashed at least twice on every run before I abandonned the idea completely. There are a couple of small speed bumps on the brae which badly affect anything that has direct steering. Be warned, and investigate methods to make your steering more precise. You'd be surprised how little you meed to move the wheels to make even the sharpest turn, so find a way to "gear down" your steering input so that a big hands movement makes a small wheel movement. There will be some piccies of my cartie soon to show your what I've done to solve the problem.

5). You can get a second hand kids bike from the paper for 20 or less. Two wheels and a set of brakes - voila! You probably only need one set of brakes if you rig them up right, so if you buy two kiddies bikes you get all the wheels you need and a set of brakes you can sell! (If you're building a trike design, you have a wheel for sale too.)

6). Erm - that's it for now.

If I learn anything else I'l post it here. Anyone else have any tips or learning experiences they'd like to share?
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