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Search: Posts Made By: S/V Antares
Forum: Engines and Propulsion Systems 14-10-2008, 19:22
Replies: 32
Views: 15,281
Posted By S/V Antares
FYI The tachs shown in the Pix are not the same...

FYI The tachs shown in the Pix are not the same as the units Gord posted a link to. Some were set up for specific pulses and are not programable.

You may try Volvo in Chesapeake VA, or Sweden...
Forum: Engines and Propulsion Systems 14-10-2008, 19:14
Replies: 32
Views: 15,281
Posted By S/V Antares
Greg, Give me the Diameter of the back of the...

Greg, Give me the Diameter of the back of the Tach, (Hole size) It looks like the 75 mm units we made for Volvo. If so I have a few I would part with. cheap to a fellow cruiser. I am leaving for...
Forum: Engines and Propulsion Systems 13-10-2008, 05:25
Replies: 32
Views: 15,281
Posted By S/V Antares
Greg, No PHD but I did stay in a holiday inn last...

Greg, No PHD but I did stay in a holiday inn last night.. just kidding. I worked for VDO for amost 20 years. "Retireing" in 2001 when Seimens bought them and t moved the US Marine biz to Allentown...
Forum: Engines and Propulsion Systems 12-10-2008, 15:10
Replies: 32
Views: 15,281
Posted By S/V Antares
Correction... Energise the tach while the cal...

Correction... Energise the tach while the cal button is depressed. See what happens.

(Digital units only)
Forum: Engines and Propulsion Systems 12-10-2008, 15:08
Replies: 32
Views: 15,281
Posted By S/V Antares
Greg, The VDO tachs with the digital Hr meter...

Greg, The VDO tachs with the digital Hr meter will begin to count when the power is supplied to the meter 12v + terminal .

Gray is the standard color code (ABYC and other Mfg's) for the tach...
Forum: Engines and Propulsion Systems 11-10-2008, 06:52
Replies: 32
Views: 15,281
Posted By S/V Antares
Greg, If you have or will change alternators you...

Greg, If you have or will change alternators you will want to check / adjust the Tachos with a hand held photo tach or mechanical as the pully ratio or number of poles may change. When checking a...
Forum: Engines and Propulsion Systems 10-10-2008, 20:06
Replies: 32
Views: 15,281
Posted By S/V Antares
The VDO and any other tach will read the sine...

The VDO and any other tach will read the sine wave generated by the alternator when attatched to one of the stator output poles before it is rectified fom AC to something that resembles a DC output. ...
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