[TheForge] Re: Ralph, Mike and their toys; also, Ron's relay problem

[Ralph Sproul]

Try turning up the throttle to the engine - that yields more voltage - and
worn linkage is the 90% shot at improper power initiating the kick up panels
on engine drives.

Ralph

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Ron Childers
Sent: Thursday, February 16, 2006 4:11 PM
To: 'Sponsored by ABANA'
Subject: RE: [TheForge] Re: Ralph, Mike and their toys;also, Ron's relay
problem


The (expensive) relay on my Miller 400 amp stick welder doesn't work- I have
to manually goose the throttle to get the Wakashaw diesel up to 1,800 rpm to
strike an arc. I'm thinking of using an independent switch and a starter
solenoid to pull the throttle chain. Has any one tried that?

Ron C
-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Ralph Sproul
Sent: Thursday, February 16, 2006 2:40 PM
To: Bob Ehrenberger; Sponsored by ABANA
Subject: RE: [TheForge] Re: Ralph, Mike and their toys (Was: OT Threads ?)


	.........Aaaahh, I dunno.......if Mike thought he could use an old
computer
to trigger a mouse in a squirell cage - to engage the throttle to said
engine, for pouring the coal to it - to make that A&O run.........I've got
the feeling he'd probably try it.           (but that's just a wild guess).
:-)

	I also couldn't understand the electronics Grover mentioned - it
went WAY
over my head.  I'm low tech for sure.

Ralph

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Bob Ehrenberger
Sent: Thursday, February 16, 2006 4:01 PM
To: Grover Richardson; 'Sponsored by ABANA'
Subject: Re: [TheForge] Re: Ralph, Mike and their toys (Was: OT Threads
?)


Grover,

I don't know enough about electronics to design such things, so I'll have to
take your word for it. For me things either have to be mechanical or
computer controled, and someone else would have to provide the computer
hardware for me to program.  I think a computer would be over kill in this
situation.

Like usual we are over designing this project.  Fun to think about, maybe
not so practical to implement.

Robert Ehrenberger
Shelbyville, Mo.
eforge at centurytel.net


----- Original Message -----
From: "Grover Richardson" <grover.richardson at gtri.gatech.edu>
To: "'Bob Ehrenberger'" <eforge at centurytel.net>; "'Sponsored by ABANA'"
<theforge at mailman.qth.net>
Sent: Thursday, February 16, 2006 8:12 AM
Subject: RE: [TheForge] Re: Ralph, Mike and their toys (Was: OT Threads ?)


Hall effect switch monitoring engine rpm.  Run it to an op-amp with an
integrator.  Run the output of the op-amp to a transistor which will apply
current to a solenoid in a linear manner.  Easy design, but the tweaking
after installation would take some time.


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