[Diy_efi] Confused! Lost!

Adam Wade espresso_doppio at yahoo.com
Thu Feb 27 05:36:54 GMT 2003


--- Brian Dessent <brian at dessent.net> wrote:

>
http://www.easttraining.com/images/Waveforms/gm_tbiv_p&h01.jpg

> The first spike decays to ~14V as you would expect
> but the second spike decays to almost 20V.  You
> would expect the opposite of P&H (as far as I
> know), intially full battery voltage across the coil
> then reduced voltage.  

Now that you mention it...

I borrowed these images off the net, since I don't
have access to my "snapshots" right now.  ISTR the
ones I was actually looking at on the 'scope displayed
the characteristics you described.

The website that owns the above image claims that it
is an actually-recorded waveform from a p&h
driver/injector combination.

=====
| Adam Wade                       1990 Kwak Zephyr 550 (Daphne) |
|   http://y42.photos.yahoo.com/bc/espresso_doppio/lst?.dir=/   |
| "It was like an emergency ward after a great catastrophe; it  |
|   didn't matter what race or class the victims belonged to.   |
|  They were all given the same miracle drug, which was coffee. |
|   The catastrophe in this case, of course, was that the sun   |
|     had come up again."                    -Kurt Vonnegut     |

__________________________________________________
Do you Yahoo!?
Yahoo! Tax Center - forms, calculators, tips, more
http://taxes.yahoo.com/

_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi



More information about the Diy_efi mailing list