[SEL] Hot bulb/hot tube (3rd try)

[Bob Willman]

	I believe that a shorter tube retards ignition and a longer
tube advances ignition. This because it is more difficult to push
air/fuel mixture into a shorter tube than a longer one into the
red hot region of the heated tube. 


Bob Willman
Bowling Green, Ohio
The Eagle's Anvil
WB8NQW

-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Jerry Evans
Sent: Saturday, December 31, 2005 1:47 AM
To: sel at lists.stationary-engine.com
Subject: [SEL] Hot bulb/hot tube (3rd try)

2nd try ---<Delivery failed 15 attempts: sel at lists.stationary-engine.com>
3rd try <Delivery failed 15 attempts: sel at lists.stationary-engine.com> SMTP
connection failed

Hi All,
         I hope you all had a good Christmas.
         Some months back there was a discussing regarding the how the
length of a hot tube affects the  timing of an engine. I think it was for a
Fairbanks and that the shorter the tube the more advanced the timing is and
the longer the tube the more retarded the timing is. It had to do with the
amount of "gas" that had to be compressed.
         Unfortunately in changing eMail programmes I lost this discussion.
         Can anyone explain it to me again or point me to a webpage that
describes the principle (in laymans language).
         Also - Does the description "Hot bulb" or "Hot tube" mean the same
thing or are they different animals.
         Thanks in advance.


Keep the revs up (or down)
AND REMEMBER ------ <snip><snip><snip><snip><snip><snip>
Jerry Evans
Near Johannesburg in Sunny South Africa.
Tel. (016) 365-5787 or 083 283 7191
Visit our website for old engines in South Africa.
www.oldengine.org/members/evans  

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