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View Full Version : Lookit what I found!!!!!!!!!



gcarter
06-04-2010, 12:10 PM
On eBay!!!!
It's a dual Mercruiser Thunderbolt IV ignition assembly, complete w/two modules, two coils, selector switches, and all mounted on a nice SST bracket.
It's doubtful I'll use it as is, but it's a great source for components I'd use anyway.
Coupl'a questions.......
The modules are marked V8-HP. I'm wondering if anyone here knows what the advance is?
Does anyone know what the little round thingie is off on the side just under one of the coils is? It's marked "195".
It was really inexpensive, and hopefully useable.
It supposedly came out of a Seal boat, maybe one of the Donzi-Halter boats built for the Navy??????
Anyway, here's some pictures.
Any input would be appreciated.

http://www.donzi.net/forums/attachment.php?attachmentid=56558&stc=1&d=1275667518

http://www.donzi.net/forums/attachment.php?attachmentid=56559&stc=1&d=1275667518

http://www.donzi.net/forums/attachment.php?attachmentid=56560&stc=1&d=1275667518

http://www.donzi.net/forums/attachment.php?attachmentid=56561&stc=1&d=1275667518

fogducker III
06-04-2010, 12:41 PM
Nice find George, that is very well put together and definatly looks "navy" type built..........could the round "thingy" be an alarm of some sort? Looks like the warning alarm up under my dash...?

Forrest
06-04-2010, 04:26 PM
The "round thingy" looks like a bridge rectifier like that used on an outboard motor.

Was the power for this unit provided directly from stator windings? The military does stuff a lot differently than its civialian counterpart.

gcarter
06-04-2010, 04:54 PM
The "round thingy" looks like a bridge rectifier like that used on an outboard motor.

Was the power for this unit provided directly from stator windings? The military does stuff a lot differently than its civialian counterpart.

Good question Forrest, and I don't know the answer. In fact the engines were missing from the boat when the seller aquired it.

mrfixxall
06-04-2010, 08:25 PM
George their 20* timing,full advance @ 3000 rpm to 5250 rpm.. some didn't have a rev limiter.

the little round thing is a tach isolator..

gcarter
06-04-2010, 09:09 PM
Thanks Mike.

seano
06-04-2010, 09:38 PM
looks like a redundant system to me. one system fails, switch over to to the backup - a la NASCAR

BUIZILLA
06-05-2010, 08:49 AM
pretty cool..

gcarter
06-05-2010, 11:12 AM
Yep, like NASCAR.
Also, the selector switches are trip proof, you have to pull the lever out a fraction of an inch to throw it.
It's almost a shame I don't have room to use it like it is.
It would be a conversation starter.

BUIZILLA
06-05-2010, 11:16 AM
whats the other side look like?

gcarter
06-05-2010, 11:57 AM
I don't have time to take another picture now, but all the studs you see are bolts installed from the back side and welded into place.
It's stout!
It weighs 12#.

mrfixxall
06-05-2010, 02:29 PM
whats the other side look like?


looks like this jim..

gcarter
06-05-2010, 03:56 PM
looks like this jim..

That's it.

Pismo
06-05-2010, 06:35 PM
looks like this jim..

The plot thickens...Do tell...

gcarter
06-06-2010, 12:07 AM
Someone posted this on another forum;

http://www.donzi.net/forums/attachment.php?attachmentid=56592&stc=1&d=1275797165