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which RPM Villiers Mk15?

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which RPM Villiers Mk15?

Post by Mark15 user on Mon Feb 15 2016, 17:21

Dear forum members,

To determine the right pulleys for my Villiers Mk15 motor I want to check the RPM of my Villiers MK15

In the technical data I could find a value of 2850RPM. Guess this is meant with full throttle
I don't want to run it continiously on this high RPM.
Seems that the governor is keeping the RPM on a lower level but I'don't know an RPM value Rolling Eyes
I don't have an additional gearbox. So RPM motor pulley = RPM cranckshaft

Has someone checked the RPM of a MK 15 by measuring? Question
Please let me know your thoghts.

Best regards,

Steef

Mark15 user
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A true Stationary engine owner

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Re: which RPM Villiers Mk15?

Post by Woodsman on Tue Feb 16 2016, 09:19

Hi Steef.

1955 Manual states 1.95 BHP @ 2,800 rpm
1956 Manual states 2.50 BHP @ 3,600 rpm

so some variation.
You can find hand held tachometers fairly cheaply on ebay.

_________________
Regards Paul
Tha can alus tell a Yorkshireman - but tha can't tell him much.

Woodsman
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Re: which RPM Villiers Mk15?

Post by Mark15 user on Thu Feb 18 2016, 06:58

Hi Paul,

Thanks for your suggestion.
Bought a tachometer on the web.
Will keep you posted anout my findings when it's delivered.

Best regards,

Steef

Mark15 user
A true Stationary engine owner
A true Stationary engine owner

Posts : 106
Join date : 2014-09-06
Age : 46
Location : Holland

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Spring for governor Mk12 suitable for Mk15?

Post by Mark15 user on Fri Mar 04 2016, 16:10

Dear forum members,

Still waiting for the RPM handheld.

On the site of L & S Engineers I've seen different types of springs for the Mk10 / MK12 / C12 governor
It seems possible to influence the final RPM by changing the spring type of the governor.

For example:
http://www.lsengineers.co.uk/villiers-mk10-12-c12-governor-spring-up-to-1500-rpm.html
I don't see these springs on the site of Villiers parts.

Assuming these springs have the same effect on the MK15 as the design of the governor mechanism looks similar to the MK12.
Is this correct? Who can confirm?

Best regards,

Steef Pronk



Mark15 user
A true Stationary engine owner
A true Stationary engine owner

Posts : 106
Join date : 2014-09-06
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Location : Holland

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Re: which RPM Villiers Mk15?

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