• brian Rupnow's Avatar
    Yesterday, 08:51 PM
    This is an engine which has always interested me. I think I first seen an engine like this posted by Tel from Australia. I was bored today, so I...
    0 replies | 74 view(s)
  • brian Rupnow's Avatar
    05-22-2018, 07:19 PM
    Jim --linkee no workee.
    8 replies | 231 view(s)
  • brian Rupnow's Avatar
    05-19-2018, 09:48 AM
    brian Rupnow replied to a thread Hybrid arbor-pulley in General
    Not out of any undue considerations of my fingers, but in order to get the correct ratio I machined a smaller v-pulley from aluminum and mounted it...
    17 replies | 968 view(s)
  • brian Rupnow's Avatar
    05-17-2018, 08:37 PM
    brian Rupnow replied to a thread Hybrid arbor-pulley in General
    I don't polish a lot of things. During my fourty year fascination with hot-rods, I polished a number of aluminum brackets and small parts, to the...
    17 replies | 968 view(s)
  • brian Rupnow's Avatar
    05-17-2018, 09:34 AM
    Great, great thread. Makes me wish I was back in high school again, in your class. We had a really good tech shop teacher 1964 and 1965, but never...
    64 replies | 5264 view(s)
  • brian Rupnow's Avatar
    05-17-2018, 09:16 AM
    brian Rupnow replied to a thread Hybrid arbor-pulley in General
    One 1/4"-20 set screw thru the 1 1/4" sleeve and seated in the bottom of the keyway. The pulley is not welded either--it has a 5/16" set screw thru...
    17 replies | 968 view(s)
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    05-16-2018, 06:50 PM
    brian Rupnow replied to a thread Hybrid arbor-pulley in General
    Good eye, Sasquatch. My dad bought that from the blacksmith in Bancroft when he closed up shop when I was a kid. I have no idea how old it is, but...
    17 replies | 968 view(s)
  • brian Rupnow's Avatar
    05-16-2018, 04:36 PM
    brian Rupnow replied to a thread Hybrid arbor-pulley in General
    Prior to building this thing I ran my buffs in the lathe at about 500 rpm. This should be a big improvement at 1750 rpm. I won't have buffs on there...
    17 replies | 968 view(s)
  • brian Rupnow's Avatar
    05-16-2018, 01:06 PM
    I have a 1/2 horsepower 1750 rpm motor on my main workbench out in the garage that is primarily used to "run in" small engines to loosen them up. I...
    17 replies | 968 view(s)
  • brian Rupnow's Avatar
    05-12-2018, 06:56 PM
    brian Rupnow replied to a thread Sump pump stand in General
    Everything is back together and everything works. I hope this back up sump pump lasts longer than its predecessor. I am a bit horrified at how much a...
    2 replies | 294 view(s)
  • brian Rupnow's Avatar
    05-12-2018, 12:39 PM
    brian Rupnow started a thread Sump pump stand in General
    My basement sump pump has some very heavy flows of water to contend with in the early spring, so I have a normal 120 volt sump pump and a 12 volt...
    2 replies | 294 view(s)
  • brian Rupnow's Avatar
    05-09-2018, 09:55 AM
    If you use a buff enough it will become all matted and plugged up with compound. The rake loosens all of the caked on compound and makes the buff...
    170 replies | 12124 view(s)
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    05-08-2018, 06:16 PM
    brian Rupnow replied to a thread Opposed Twin I.C. in General
    I am reviving this old thread because I recently had a gentleman from USA want to purchase a set of plans for it. This involved opening about 70...
    515 replies | 120807 view(s)
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    05-07-2018, 07:10 PM
    I used to live in a very small village called Hillsdale. It was about 15 miles out of Barrie, but there was a small town called Elmvale about 5 miles...
    73 replies | 3869 view(s)
  • brian Rupnow's Avatar
    05-07-2018, 11:32 AM
    About a week ago I ordered an 8" buffing wheel and a buff rake from Eastwood. Of course I was too impatient to wait another week to finish polishing...
    170 replies | 12124 view(s)
  • brian Rupnow's Avatar
    05-07-2018, 08:55 AM
    Greed is part of the problem, you're right. I think that in large part it's because the world has "moved On" as Roland Deschain would have said. Go...
    16 replies | 954 view(s)
  • brian Rupnow's Avatar
    05-06-2018, 03:00 PM
    Well, that would work fine if you never left home. I would kind of like to know something was in place and automated in case I wasn't there when the...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-06-2018, 07:34 AM
    The original flame eater engine which I showed in the very first post of this thread was water cooled. There was a cooling chamber between the outer...
    170 replies | 12124 view(s)
  • brian Rupnow's Avatar
    05-06-2018, 07:28 AM
    I think that maybe 3-Phase has a great idea. I wouldn't require a number of pumps like he suggested, only one submersible pump similar to the one I...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 07:42 PM
    Does anyone know of a 12 volt back up sump pump that is not submersible? It would seem to me that would make a lot of sense, because the motor...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 07:15 PM
    Good wife and I went out to Swiss Chalet for dinner about 5:30 yesterday. It was just crazy!!! Not a lot of rain, but wind like you wouldn't believe....
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 03:39 PM
    Paul--It's not about the efficiency or the capability to drive something. It's about making a truly unique engine that runs--period. My engine is air...
    170 replies | 12124 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 03:34 PM
    And now--The rest of the story. Four years ago, I realized that with the almost guarantied power outages here during rain and windstorms, I was going...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 01:07 PM
    Plunger--I live in a large valley that is surrounded by a lot of high farmland. When all of the ice and snow melt in the spring, in those farm...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 10:01 AM
    If your sump pump doesn't pump, you're nicely finished basement fills with water, ruining everything and you are into a huge insurance claim.
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-05-2018, 09:16 AM
    Yesterday was exciting. We had a massive windstorm in the area. I have a garden shed with a window in it that has set with no damage for almost 19...
    28 replies | 1432 view(s)
  • brian Rupnow's Avatar
    05-04-2018, 04:28 PM
    Okay--I defer to your lower techness. Cast iron is really such nice stuff to work with, but man, it's dirty. I don't think that a "once in a while"...
    14 replies | 1246 view(s)
  • brian Rupnow's Avatar
    05-04-2018, 01:48 PM
    Happiness is--a clean lathe. Well, at least a much cleaner lathe than it has been for the last month. Iron dust is bad ju-ju for lathes and for...
    14 replies | 1246 view(s)
  • brian Rupnow's Avatar
    05-04-2018, 12:25 PM
    Actually, that crescent wrench is primarily used for holding the top square end of my drawbar when I change my R8 tooling. It doesn't get overworked,...
    14 replies | 1246 view(s)
  • brian Rupnow's Avatar
    05-04-2018, 12:03 PM
    I went to clean up my pig dirty lathe this morning, which is covered in cast iron chips and dust from my recent engine build. First thing to do is...
    14 replies | 1246 view(s)
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About brian Rupnow

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Date of Birth
July 7, 1946 (71)
About brian Rupnow
Biography:
I am 69 years old, a design engineer by profession, and an amateur machinist.
Location:
Barrie, Ontario, Canada
Interests:
I build hotrods as a hobby, and have been involved in custom cars and drag racing most of my life.
Occupation:
I am a design engineer with 50 years experience designing prototype machinery and factory automation

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Brian Rupnow

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