[SEL] Galloway's decompressor hand valve

[Dave Rotigel]

I've studied these engines for more years than most of you on the List have been alive. The answer here (as well as to most questions about antique internal combustion engines) is simple--it's magic!
	Dave

On Dec 7, 2011, at 6:42 PM, John Mathieson wrote:

> I think the answer is the same as why the exhaust valve doesn't open on the 
> inlet stroke. It has a much stronger spring.
> ----- Original Message ----- 
> From: "Richard Strobel" <Richard_Strobel7 at msn.com>
> To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
> Sent: Thursday, December 08, 2011 6:28 AM
> Subject: Re: [SEL] Galloway's decompressor hand valve
> 
> 
>> George..why doesn't it open on the intake stroke??
>> 
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>> 
>> ----- Original Message ----- 
>> From: "Best, George" <George_Best at adp.com>
>> To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
>> Sent: Wednesday, December 07, 2011 11:10 AM
>> Subject: Re: [SEL] Galloway's decompressor hand valve
>> 
>> 
>>> I've thought it could even be used to prime the engine, although pouring 
>>> gas into the little holes on the top may be a bit messy.
>>> 
>>> -----Original Message-----
>>> From: sel-bounces at lists.stationary-engine.com 
>>> [mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Richard 
>>> Strobel
>>> Sent: Wednesday, December 07, 2011 9:58 AM
>>> To: The SEL email discussion list
>>> Subject: Re: [SEL] Galloway's decompressor hand valve
>>> 
>>> George, I'd say that decompressor unit would be handy for several things.
>>> 
>>> Thanks
>>> Rick
>>> 
>>> 
>>> ----- Original Message ----- 
>>> From: "Best, George" <George_Best at adp.com>
>>> To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
>>> Sent: Wednesday, December 07, 2011 8:45 AM
>>> Subject: Re: [SEL] Galloway's decompressor hand valve
>>> 
>>> 
>>>> Here's another engine with a decompressor valve,  although not with a
>>>> check valve.
>>>> This is my 1910 Ceres (French) engine.  The valve sits on top of the
>>>> cylinder above the exhaust valve.
>>>> 
>>>> You can press down on the top of the decompressor which opens a valve 
>>>> in
>>>> the decompressor unit.
>>>> 
>>>> http://www.irontrader.com/graphics/ceres.jpg
>>>> 
>>>> http://www.irontrader.com/graphics/ceres1.jpg
>>>> 
>>>> http://www.irontrader.com/graphics/ceres2.jpg
>>>> 
>>>> Not really sure how it is supposed to be used.
>>>> 
>>>> George
>>>> 
>>>> 
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