Lotus Elan

Thread sizes/Prop shaft vibration

PostPost by: Nigel Furness » Tue Sep 12, 2006 1:07 pm

The threads on Smiths/Lucs/Jaeger instrument mounts
are 3BA.

Regarding prop shaft balance, none of my five Elans,
have been perfect in this respect. All demonstrated
some mid-frequency vibration at one speed or another
between 40-80 MPH. It could often be improved by
rotating the propshaft by 180 at the diff flange. but
never eliminated completely. Another occasional
problem was vibration from a rear hub bearing. Don't
take the car out in the rain then lay it up for three
weeks is the moral here!

Nigel Furness
Curriculum Manager, Faculty of Computing & Digital Communications,
Soundwell Centre
City of Bristol College
0117 3125736


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Nigel Furness

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