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cotton magento ?

Posted: Wed Jun 12, 2013 4:05 am
Author: mikeyoz1
http://www.ebay.com/itm/261226150018?ss ... 1438.l2649

I have seen something similar on a supercharger . Have no idea what this thing does ?

Posted: Wed Jun 12, 2013 7:18 am
Author: andyb1962
:?: :?: :?: :?:

Posted: Wed Jun 12, 2013 8:21 am
Author: zed1015
It's a dragrace MAGNETO.
Self generating ignition.
Usually has no provision for spark advance or retard so timing is fixed at full advance.
Common makes are , Koenig , Mallory, Ard.
This one is rare because of the name and not for what it is.

Posted: Wed Jun 12, 2013 3:27 pm
Author: chrisu
zed1015 wrote:It's a MAGNETO.
Self generating ignition.
Usually has no provision for spark advance or retard so timing is fixed at full advance.
Common makes are , Koenig , Mallory, Ard.
This one is rare because of the name and not for what it is.


i think you mean no 'automatic' mechanism for advance. they usually have a manual advance/retard capability - usually via a cable.

Posted: Wed Jun 12, 2013 4:00 pm
Author: zed1015
chrisu wrote:
zed1015 wrote:It's a MAGNETO.
Self generating ignition.
Usually has no provision for spark advance or retard so timing is fixed at full advance.
Common makes are , Koenig , Mallory, Ard.
This one is rare because of the name and not for what it is.


i think you mean no 'automatic' mechanism for advance. they usually have a manual advance/retard capability - usually via a cable.



Ah! Yes. Mostly cable operated on the likes of early Lucas and BTH mags but very rarely on these dragrace set ups for the zeds and GS's etc to which i was inferring.
Non of the ARD, Mallory, koenigs etc i have run had advancers.