Hi Rowland
If you are fitting a constant speed propeller then using Mark Burton's constant
speed controller will give you total engine time,
Or alternately if you have a vacuum system fitted a simple vac switch will
work, also there is a two terminal VDO unit
http://www.coolairvw.co.uk/ca/mia/d/vdo+oil+pressure+gauge+sender+twin+terminal/pid/6554640?afid=88888
that would work for you,
Ivor
> Has anyone in UK fitted an oil-pressure switch to control when an
> engine hours meter runs? If so, where did you get it?
>
> A discussion with Skydrive indicates that the obvious place to mount
> it is in place of part number 641733, the 10mm x 1mm plug screw which
> covers the port on the oil pump that would feed a hydraulic governor.
> However, Skydrive are not sure that it will be easy to find an oil
> pressure switch with that thread.
>
> I have spotted one on an Australian supplier's website but can't find
> anything similar in UK.
>
> It's also important to note that what I want is a "normally-open"
> switch - that is the opposite of the usual type which is
> "normally-closed" and opens with increasing pressure to extinguish
> the oil-pressure warning light.
>
> I'd like to avoid the need to turn up an adaptor for a BSP or NPT
> thread switch.
>
> regards
>
> Rowland
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> | Rowland Carson ... that's Rowland with a 'w' ...
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