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S&S Swan Maintenance - gearbox reduction
24 June 2020 - 04:54
#22
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the professor
Join Date: 02 January 2008
Posts: 1547

Jan

You should also check the accuracy of your rpm counter.
Lars
24 June 2020 - 16:17
#23
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Jankooistra
Join Date: 01 April 2007
Posts: 117

Do you mean that the new alternator can give different rpm's? 
And perhaps that I am not stupid?
25 June 2020 - 17:46
#24
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the professor
Join Date: 02 January 2008
Posts: 1547

Jan

Some rpm counters take their input from the alternator, and therefore the recommendation is to check the reading with a portable unit
Kind regards
Lars
07 July 2020 - 05:44
#25
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jollinglodema
Join Date: 14 May 2017
Posts: 66

Hi Jan and Lars,

My rev counter was not very precize. In the end used someting like this. Measurement at external flywheel and main shaft.

https://www.hbm-machines.com/producten/gereedschap-en-toebehoren/meetgereedschappen/hbm-digitale-toerenteller-met-laser?channable=e13762.TVBOODg4Nw&gclid=Cj0KCQjwl4v4BRDaARIsAFjATPkP75WxcaKYOhG3OvkFIzAhxg7r-vGwoEKgW1C4s3OCFtJ18b0p4_caApt9EALw_wcB

Good luck!

Jolling
14 July 2020 - 08:04
#26
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Jankooistra
Join Date: 01 April 2007
Posts: 117

Thanks Jolling!

jan

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