Need help regarding shaft material

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Acrylic may not be suitable for an accumulator shaft in a trike due to its potential inability to withstand the necessary torque and stress. Concerns were raised about the durability of acrylic compared to metal, especially for holding components like a cycle ratchet and sprocket. The weight advantage of acrylic is noted, but a hollow metal shaft could offer similar weight while providing better strength. Additional details about the trike's size, power source, and drive shaft length are needed for a more informed recommendation. Overall, a metal shaft is suggested as a more reliable option.
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I'm building a trike and wanted to know if an acrylic shaft would suffice? The accumulator shaft would hold two cycle ratchet and a sprocket.
 
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The main reason behind going for acrylic is the weightlessness.
 
CrayonK said:
I'm building a trike and wanted to know if an acrylic shaft would suffice? The accumulator shaft would hold two cycle ratchet and a sprocket.

CrayonK said:
The main reason behind going for acrylic is the weightlessness.

Welcome to the PF.

What's a "trike"? I assume it's a 3-wheeled something, but how big is it? How is it powered? How long is the drive shaft? How much torque does the shaft need to withstand?

Using a hollow metal drive shaft would probably work better than a solid acrylic shaft, and would probably weigh about the same...
 
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