Thread: Electrathon - A Different Kind of "Hotrod"

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I will be interested to see what your battery experimentation yields. If it saves money in the long run it could be a boost to the sport.

What kind of sprocket adapter does shiftev make? If they make the ones that hold the standard 5-hole bicycle sprocket ring, you don't want it. Bicycle chains are junk for Electrathon; they stretch like elastic and frequently come off the wheel sprocket. I used bicycle chain and sprockets on our team's first Electrathon car (Blue Sky Aerocoupe) back in 2003 & '04. It did OK in its first two races, both on smooth ovals. In its third event it kept jumping off. I didn't realize that it had stretched to the point that the chain no longer matched the pitch of the teeth on the sprockets!

If you Personal Message me I can give you the e-mail address for Rodney Schreck in Miami. He makes the sprocket hubs (pictured below) that I use and sells them for $99. He uses an ordinary rear wheel sprocket cassette and adds a sprocket adapter that holds a regular 6-hole go-kart sprocket. Rodney bolts the adapter plate to the sprocket on the cassette. When I get them I weld the two pieces together and then discard the bolts, but that's just a matter of preference to eliminate the possibility of the bolts ever working loose.