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| Re: [GMCnet] Onan Choke Solenoid [message #248306 is a reply to message #248299] |
Wed, 23 April 2014 19:56   |
bwevers
Messages: 597
Registered: October 2010
Location: San Jose
Karma: 5
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Senior Member |
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What if it was hooked up to the starter solenoid to
close the choke while cranking?
Bill Wevers GMC49ers, GMC Western States
1975 Glenbrook - Manny Powerdrive, OneTon
455 F Block, G heads
San Jose
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| Re: [GMCnet] Onan Choke Solenoid [message #248322 is a reply to message #248313] |
Wed, 23 April 2014 21:38 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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JR,
That was my thought when I saw the 0.5" stroke, unusually long for a cheap
linear solenoid.
Ken H.
On Wed, Apr 23, 2014 at 9:40 PM, John Wright wrote:
> ...
> The one that you have researched is a linear style with a .5” stroke.
> I would see no problem using this type and mounting similar to the rotary style
> but used as a linear stroke movement. I guess it would depend on where
> you mount the connecting rod to take advantage of the shorter stroke of the
> linear unit. You would want the chock closed but not under tension from
> the solenoid. Should work!
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Onan Choke Solenoid [message #248324 is a reply to message #248322] |
Wed, 23 April 2014 21:47 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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| Ken Henderson wrote on Wed, 23 April 2014 20:38 |
JR,
That was my thought when I saw the 0.5" stroke, unusually long for a cheap
linear solenoid.
Ken H.
On Wed, Apr 23, 2014 at 9:40 PM, John Wright wrote:
> ...
> The one that you have researched is a linear style with a .5" stroke.
> I would see no problem using this type and mounting similar to the rotary style
> but used as a linear stroke movement. I guess it would depend on where
> you mount the connecting rod to take advantage of the shorter stroke of the
> linear unit. You would want the chock closed but not under tension from
> the solenoid. Should work!
>
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There's nothing automatic or temperature sensing about this that I can see. Why not just hook a coat hanger to the choke lever if you are willing to go manual---sort of like setting your ride height manually 
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Onan Choke Solenoid [message #248344 is a reply to message #248306] |
Thu, 24 April 2014 07:18 |
Jim Miller
Messages: 501
Registered: March 2008
Karma: 10
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Senior Member |
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On Apr 23, 2014, at 8:56 PM, Bill Wevers wrote:
> What if it was hooked up to the starter solenoid to close the choke while cranking?
That would work as long as the engine was cold. If the engine is hot then you will probably end up with a flooded Onan.
The OEM choke has a thermostatic bi-metallic spring mounted against the exhaust manifold so that it will only choke the engine if two conditions are true: starter energized AND engine is cold.
The solenoid that Ken referred to will be a good option if used in conjunction with a thermostatic sensor. A "button" type normally-closed sensor mounted on a cylinder head might be a good choice for the task.
--Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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| Re: [GMCnet] Onan Choke Solenoid [message #248367 is a reply to message #248299] |
Thu, 24 April 2014 12:40 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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My neighbors son was just made VP of power genneration at Cummins. Next time I see him I'll ask about obsolete parts or who was the OEM for the choke.
John Lebetski
Woodstock, IL
77 Eleganza II
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