Spinning Prop.

Autumn 2007: Sam and I tried to utilize the fan hub we had from our first attempt to attach the new prop but no matter how we tried to fix it to the gearbox the hub would eventually work loose and spin on the gearbox shaft :o( Pondering the problem for several weeks I came up with a solid solution. The gearbox had on it originally a 12 tooth gear.

Bolt/Hub Arrangement

Bolt/Hub Arrangement

Luckily for us, the prop bolt holes matched exactly with the gaps between the teeth and allowed us to create a strong, secure fixing.

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