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#Post#: 62737--------------------------------------------------
Information needed for a Stuart SIRIUS
By: Raphael HAVRANEK Date: April 17, 2024, 3:45 am
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Bonjour,
I have had the opportunity to purchase a brand new Stuart SIRIUS
and the information I know is that bore = stroke = 1" :
I have noticed a crankcase and a stick fot oil level, which type
of oil should I use ?
Which is is working pressure ?
I know that I will have to couple it with a large boiler as it
is supposed to be used in a speed boat...
(HTM) https://youtu.be/aHEDbBF5zwA
#Post#: 62741--------------------------------------------------
Re: Information needed for a Stuart SIRIUS
By: txlabman Date: April 17, 2024, 9:10 am
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I use light weight motor oil in mine, but I have no idea if this
is correct.
A lot cheaper than steam oil.
#Post#: 62780--------------------------------------------------
Re: Information needed for a Stuart SIRIUS
By: Bobsmodels Date: April 18, 2024, 9:43 am
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I use a heavy oil in the crankcase ie 60W. Only use steam oil
for the cylinders, it is not a lubricant in the same sense as
regular oil. It is designed to , for lack of a better word
vaporize, in the steam to provide lubricant to the cylinder. I
will never forget my first time out with my live steam
locomotive in the early 80's getting admonished by the old
timers for putting steam oil on everything.
That engine was used for speed boats, but I have never seen a
picture of one. It was also used to power a generator. During
WWII there was a kit that had a boiler, the SIRIUS, and a
generator all in a box. You put the boiler over a fire. It was
used to power radio equipment I believe. The color of your
engine makes me think it might have been from one of those kits.
I looked for my picture of a kit but could not find it but here
is a link
(HTM) http://www.mapleleafup.net/forums/showthread.php?t=22842.
Bob
[attachimg=1]
#Post#: 62791--------------------------------------------------
Re: Information needed for a Stuart SIRIUS
By: RedRyder Date: April 18, 2024, 4:11 pm
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It was the earlier military Stuart Siriuses that had the tall
dipstick tube coming from the side of the crank case as seen in
the Firefly picture.
Raphael that engine will bark at high pressure and speed!
#Post#: 62802--------------------------------------------------
Re: Information needed for a Stuart SIRIUS
By: Raphael HAVRANEK Date: April 19, 2024, 5:08 am
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Bonjour à tous,
Many thanks for all this information.
As steam boat collector, my idea would be to use it as a speed
machine but it is by itself very heavy and the relative boiler
will be worse !
And impossible to use a vertical boiler because of the gravity
center.
One of my friends has "just" the "baby" Sun and his speed boar
is ... an iron !
Never mind, I am happy to have this machine in my collection as
memory of the past.
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