[Amps] Threads - was idiocy - perhaps it still is

Gary Smith wa6fgi at sbcglobal.net
Tue Mar 14 12:33:19 EST 2006


The nickname in many years past was "Royal Oilfield" due to the amount of 
drippings that was left on the ground whenever they were (and this was 
often) parked.
The India model is 250cc in size and DIESEL !!  The gas burner has been 
imported to the US,  (I don't know why, maybe the curse will truly never go 
away) but not the oil burner even though it gets in the 250 mpg range.  Have 
been told it doesn't make much power but its better than walking. But again 
I lament, the owner probably doesn't do much walking `cause he has to spend 
his walking time fixing and tinkering.
Back to my cave now, have to care for the grandkids who are in tears now 
upon seeing the name Royal Enfield in print, (no more from me on this,)
73,
Gary...wa6fgi

---- Original Message ----- 
From: "HAROLD B MANDEL" <ka1xo at juno.com>
To: <ve3zi at rac.ca>
Cc: <amps at contesting.com>
Sent: Tuesday, March 14, 2006 4:36 AM
Subject: Re: [Amps] Threads - was idiocy - perhaps it still is


> Has anyone ever heard of the new Royal Enfield
> motorcycle, currently manufactured in Bombay?
>
> These gems have a collection of threads that require five
> completely different sets of wrenches.
>
> Yes, they sport USF, USC, Whitworth, Metric, BSC and BSC.
>
> And they come unassembled with a nice big bag
> of screws and other assorted fasteners.
>
> Hal
> W4HBM
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> On Tue, 14 Mar 2006 05:11:35 +0000 (GMT) Roger Parsons <ve3zi at yahoo.com>
> writes:
>> For what it's worth, Whitworth threads did vary the
>> pitch depending upon the bolt size. They were the
>> world's first properly defined thread, and the
>> standard British 'coarse' thread for over 100 years.
>> BSF (British Standard Fine) was the fine version, and
>> BA (British Association) was for small screws. There
>> were (are) a myriad of others - BSP (pipe), gas and so
>> on and so forth.
>>
>> Some British cars of the seventies used metric,
>> 'unified' (US) and traditional UK threads on the same
>> vehicle. That may or may not have had some bearing on
>> what happened to the British car industry... Some
>> current US vehicles mix US and metric threads...
>> Germany has its own range of 'PG' threads which are
>> metric but not to ISO standards...
>>
>> The sooner that the whole world adopts ISO metric
>> threads for all non-specialist purposes the better!
>>
>> 73 Roger
>> VE3ZI
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