Bill says ’taper’ - right answer. And seeing as you mentioned a lathe, then
producing a taper pin is easy, and a matching taper tool with a cutting edge cut
into it will also be simple so you can enlarge the existing hole a tad and fit
it to your new pin.
Richard Wilson
Yorkshireman
> On 18 May 2021, at 11:48, Bill Ghio via groups.io wrote:
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>> On May 18, 2021, at 1:38 AM, Don Schwartz wrote:
>>
>> Most of the bowsaws i've seen have split wooden tenons integral to the
handle, so they have wood-to-wood friction surfaces. I think i've seen one where
the tenons were tapered.
>>
>> The one saw with metal pins with which I'm somewhat familiar is a Marples,
It has a disc of resilient material sandwiched between brass washers on the pins
between the handles and uprights. it should be easy enough to try something
like that.
>>
>> Another thing you might try would be apply some rosin to the pins - the sort
that bass & cello players use.
>
> The handle pins should be tapered. I have two older bow saws with brass pins
and both have a taper to lock the joint as tension is applied. This was
discussed on the list many years ago so perhaps a search thru the archives will
give you the details. I think I was living in my old house when dismantling and
measuring bow saw components and I sold that place in 2000! Don’s comment on
rosin is right on. Arn’t the pins on traditional stringed instruments also
tapered?
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> Bill
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--
Yorkshireman Galoot
in the most northerly county, farther north even than Yorkshire
IT #300
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