• brian Rupnow's Avatar
    Yesterday, 08:39 PM
    I just had another one of my stories published in Our Canada magazine. It is a true story from the 1950's, and gives a bit of insight into the...
    3 replies | 243 view(s)
  • brian Rupnow's Avatar
    Yesterday, 05:44 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I have a bunch of hexagon brass rods 7/16" across the flats which my friend gave me last year for fixing his motorcycle sprocket. I think they will...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-17-2017, 06:55 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    It sets in the garage under my wife's bedroom----Not mine.
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-17-2017, 04:51 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Nah--I've made it thru 71 years without blowing myself up or burning myself badly. No boilers for me. Compressed air does fine, costs me nothing, and...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-17-2017, 02:04 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I see that my first post on this engine was on the 4th of September. That's two and one half months of my life that demanded work on the engine just...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-17-2017, 11:32 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    In order to cover some of my cost of materials in this build, I will exchange a complete set of my drawings for a $25 Canadian donation.
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-17-2017, 10:06 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    Okay kiddies--Here we go!! A running and reversing, all bar stock engine. Thank you so much to all of the forum members who stepped up and offered...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-16-2017, 07:37 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Today we had success. The engine ran on both cylinders, forward and then reverse. It's not video worthy yet, but it certainly made my old heart go...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-16-2017, 02:19 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Progress report. I have everything back together but the cylinder closest to the flywheel is still acting quite wimpy. I need a break from this...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-15-2017, 08:20 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    AWRIGHT!!! We've-got foreword and reverse working on one cylinder. Hooray Hooray---Happy Dance. :D:D:D What a wrestle!--Spent a very large portion of...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-13-2017, 07:54 PM
    For "several drums" It isn't going to work. and although "evaporust" works, it wouldn't be cost effective for the quantities you seem to have....
    23 replies | 1028 view(s)
  • brian Rupnow's Avatar
    11-13-2017, 05:58 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    A short video of the complete Stephensons reversing linkage on my engine. https://www.youtube.com/watch?v=84W3HiL-je4
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-13-2017, 05:36 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    A gentleman on a different forum has shown me the error of my ways. It isindeed correct that the stroke of the steam valve is what determines the...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-13-2017, 01:07 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Here is a short video of me practicing my Canadian Newfie accent and demonstrating the working of my first stage of reversing mechanism....
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-13-2017, 11:44 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    Thank you gentlemen-My knowledge of steam engine valve setting so far, extends to the eccentric position relative to the crankshaft and the slide...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-12-2017, 09:21 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Up until this point, I have been reasonably sure of what I was doing---as in "Okay, I've done all of this stuff before, so I'm not covering new...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-12-2017, 04:11 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I'm very pleased with how the silver soldering went on my four eccentric strap sub assemblies. I got good flow all around the 1/8" rod at both ends,...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-11-2017, 08:49 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I have the first eccentric sub assembly fixtured and ready for silver soldering in the morning. I drilled the center out of the 5/8" fixture rod,...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-11-2017, 03:21 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    This quest for a reversing engine is taking me in some strange directions. I finally have all of the pieces made, tomorrow I will silver solder up...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-10-2017, 07:04 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I've just had one of those days where it seems I worked awfully hard for minimal results. Most days I go like a whirling dervish and at the end of...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-10-2017, 12:36 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I am getting to the point where all the major links and levers for the reversing system are finished. I have a few itsy bitsy pieces to make and then...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-09-2017, 09:36 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Hi Sasquatch--It's nasty here tonight too. Cold, wet, about an inch of snow. Weatherman is calling for possibility of 6" of lake effect snow. Good...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-09-2017, 02:00 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Every reversing engine needs a reverse handle, and now mine has one!!
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-08-2017, 05:54 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I really do try to make something each day. Some days it's not much. These little guys are destined to become drag links.
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-08-2017, 01:53 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Okay, it's time to ask for an opinion. I am going to require a total of four eccentric strap assemblies. Two with straight rods connecting the ends...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-08-2017, 09:33 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    This is a very well done assembly video of the engine I am building. The reverse mechanism has a few minor differences, but the video is amazingly...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-08-2017, 08:23 AM
    4140 is a "thru hardening" steel. Thomson rod is a "case hardened" rod--the center is still malleable. Only the outer surface of the rod is hardened.
    12 replies | 906 view(s)
  • brian Rupnow's Avatar
    11-07-2017, 06:17 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I have heard most of the conventional wisdom about two flute versus four flute, holding endmills in chucks, etcetera. I believe 99% of it, unless...
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-07-2017, 02:42 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    And now there ate two. Not nearly as much drama with the second one.
    401 replies | 30473 view(s)
  • brian Rupnow's Avatar
    11-07-2017, 02:17 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    For what it's worth---I cut the arced slot in the second part with my 0.156" four flute endmill held in a collet. The slot measures 0.161" wide. When...
    401 replies | 30473 view(s)
More Activity
About brian Rupnow

Basic Information

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

Signature


Brian Rupnow

Statistics


Total Posts
Total Posts
7,780
Posts Per Day
2.20
Albums
Total Albums
3
Total Photos
0
General Information
Last Activity
Yesterday 08:50 PM
Join Date
03-09-2008
Referrals
0