[T3] Rev limiting motor

[Dave Hall]

Ouch - centrifugal force!  What nature of force would that be, Jim?   ;-)

We had a teacher's guide to the space topic on the exam syllabus for
16-year-olds, carefully explaining orbits with an arrow on an orbitting
satellite pointing towards the Earth, labelled 'gravitational force', and
one pointing away labelled 'centrifugal force'.  

I have to agree that generally it's easier to allow the use of the term than
explain why it's not correct to use it!

Dave.
UK VW Type 3&4 Club
===================

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim Adney
Sent: 03 March 2012 13:36
To: type3 at vwtype3.org
Subject: Re: [T3] Rev limiting motor

On 3 Mar 2012 at 12:14, Dave Hall wrote:

> I thought there was some sort of spring-loaded device in the rotor, 
> but I may be making that up.

Yes, there is. The rev limiting function is done by centrifugal force
working against that spring force. Once the spring is overcome, something
moves and grounds the spark to the distributor shaft.

The resistor has nothing to do with the rev limiting.

--
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************

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