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1. 06:28 PM - Re: Belleville Washer (Andy Silvester)
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Subject: | Re: Belleville Washer |
--> JabiruEngine-List message posted by: "Andy Silvester" <info@suncoastjabiru.com>
Jabiru specify using Bellville washers for mounting Jabiru propellers, because
the wood they use is softer (relatively) than is used by other prop manufacturers.
The washers are made of spring steel and 'dished' so that when torqued correctly,
they exert some axial load and therefore retain tension to accommodate
the wood moving with changes in humidity etc. A stack of Bellvilles allows a
greater tolerance of movement.
In the case of the GT propeller, which uses a denser wood, you don't need them
unless specified by GT. The same goes for all other prop. manufacturers; use their
specified method of mounting. We stock the Bellville washers for use on Jabiru
props.
Andy Silvester
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www.suncoastjabiru.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=37783#37783
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