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Hirobo Schweizer 300 |
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Hirobo Schweizer 300 |
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Motor drive assembly |
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The engine was run on a test stand for about 20 minutes, this allows for an easy run-in and familiarity with the carburettor. |
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The standard clutch was replaced with a Quick UK heavy duty one on the grounds of reliability. The standard item on the left has a round hole leaving only a small amount of metal to act as a spring, fractures can occur at the tangent. The heavy duty clutch on the right has an elongated hole allowing for a greater amount of metal to act as the spring, this design lengthens the time between overhaul. |
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The standard plastic fan was also replaced with a Quick UK item that has been machined from solid and runs true, is more efficient and quieter during operation. |
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Having a dial indicator to measure run out would be advisable, however, here we can see a cheaper alternative to making sure that the components are centred properly. |
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The assembly of the fuel tank was straight forward and needed no modification. |
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Webmaster: John Neasham |
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