VANAGON archives -- December 2013, week 1 (#83)

Date:         Wed, 4 Dec 2013 14:46:44 -0500
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: Arduino and Vanagons
Comments: To: James <jk_eaton@HOTMAIL.COM>
In-Reply-To:  <BLU177-W28DC096ADFB305ED1F36EDE0D40@phx.gbl>
Content-Type: text/plain; charset="us-ascii"; format=flowed
At 11:33 PM 12/3/2013, James wrote:
>Distributor rotates at half crankshaft speed.... idle is 850 rpm....
>half is 425 rpm... one Hall Effect signal
>per crankshaft rotation ( or is that two per rotation...??).... nah,
>I'd better try to calculate this tomorrow!

One pulse per (piston @  TDC** on firing stroke) so two per
crankshaft revolution.

850 rpm / 60  secs/minute = ~14 rev/second x 2 pulses/rev = ~28 pulses/second.


** Really at the fixed timing advance point which is a few degrees
before TDC on the 2.1l.

Yrs,
d

Back to: Top of message | Previous page | Main VANAGON page

Please note - During the past 17 years of operation, several gigabytes of Vanagon mail messages have been archived. Searching the entire collection will take up to five minutes to complete. Please be patient!

Return to the archives @ gerry.vanagon.com

The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.

Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.