• brian Rupnow's Avatar
    Today, 08:09 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    Dan--If you do that you can go from "run in' TO "worn out" in less time than it takes for a sparrow to fart.
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    Yesterday, 08:09 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Olf--It doesn't have a brand name on it, but I bought it at BusyBee tools here in Ontario. I have always referred to it as my "Tilt-a-Whirl" vice...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    Yesterday, 04:46 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Today was a day for making cylinders. I made the end-caps yesterday. My back is sore and I'm going to quit for the day now. I am about half finished...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    Yesterday, 03:07 PM
    Thank you Dan. I just ordered the set from Shars, which was in the last link you gave me.---Brian
    11 replies | 444 view(s)
  • brian Rupnow's Avatar
    Yesterday, 12:07 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    3phase--you won't see that happen. The flywheel is only 2" diameter, not enough to "give it a spin and watch it go". Running in does free everything...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    Yesterday, 10:52 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    Final "running in" with all moving parts installed. Please let me know if this link works. https://www.youtube.com/watch?v=16cjuCpjus8
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    Yesterday, 10:27 AM
    Bobw53--If you scroll down to the bottom of the link you sent me, you will see "Can not ship to Canada".
    11 replies | 444 view(s)
  • brian Rupnow's Avatar
    Yesterday, 09:30 AM
    Gentlemen--After seven years of "making do" with brazed carbide lathe tooling, I want to move things up a notch. I want to buy a couple of "holders",...
    11 replies | 444 view(s)
  • brian Rupnow's Avatar
    10-15-2017, 08:37 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Sid--It looks very deceiving, because the crank webs are not parallel sided, but are triangular shaped. The crank is quartered. As far as increasing...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-15-2017, 03:41 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    JTiers--There is a world of sliding parts on something like this. Aside from rotational stiffness between the crankshaft and it's bearings and the...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-15-2017, 02:54 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I think I fixed it. Somebody please let me know.---Brian
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-15-2017, 01:26 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    As I promised, here is a YouTube video of the engine to date, and a top view, showing the soldered piston to piston rod connection. I noticed after...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-15-2017, 07:19 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    Today we're going to change things up a bit from the original Stuart engine. The piston will have one 1/16" diameter Viton o-ring. The piston rod is...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-14-2017, 07:05 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Okay--I have to say it--I'm stoked!!! It has been a long and busy day, but the first stage of assembly has been a great success. I completed the...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-14-2017, 03:43 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Well actually---It's all assembled now, and I'm very pleased. Everything goes up and down and round and round, without any interferences.--And, if I...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-14-2017, 09:40 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    I don't have the equipment to weld aluminum. I did consider opening the hole a bit more, J B welding in a cheater bushing and going that route. I...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-13-2017, 07:03 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I don't have a particularly good answer for that, other than "$hit happens".
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-13-2017, 05:01 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Good eye, Rich. My original plan was to use #4 shcs on the con rod caps, and #5 everywhere else. Then at the last minute, I decided "Heck, lets make...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-13-2017, 03:11 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    Today I finished the con rods. They turned out quite well. No, it isn't your eyes, that gudgeon pin hole in one of the rods is off center a bit. It...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-12-2017, 06:42 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I'm now into "second set-up" with the con-rods, machining the other side. Same fixture, but with a spacer washer of appropriate thickness between the...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-11-2017, 06:32 PM
    1-800Miner--Glad you survived it with just a scare and bruises. ---Brian
    38 replies | 2257 view(s)
  • brian Rupnow's Avatar
    10-10-2017, 08:29 PM
    brian Rupnow replied to a thread Material properties in General
    When in doubt, go thicker. The extra thickness isn't going to cost that much more, and you'll sleep better at night.
    15 replies | 547 view(s)
  • brian Rupnow's Avatar
    10-10-2017, 09:02 AM
    Lakeside--it is probably posted a thousand places, but please tell me--What is the chrome fix? I an running windows 10?--- Brian
    29 replies | 1942 view(s)
  • brian Rupnow's Avatar
    10-09-2017, 01:52 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    My, but there is a world of set-up work in these con rods. By the time I'm done with two of these things, I'll be qualified to start machining...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-07-2017, 11:48 AM
    Something very important that I forgot to mention in my first post---I never drill and ream the crankshaft webs as separate pieces. I stack all of...
    29 replies | 1942 view(s)
  • brian Rupnow's Avatar
    10-07-2017, 11:09 AM
    brian Rupnow replied to a thread Back to Steam-- in General
    I couldn't stand being idle any longer, so--This morning I turned the final outside diameter on that short end of cast iron that was in my lathe,...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-06-2017, 08:13 PM
    3PhaseLightbulb--You are very quick with your answers and expertise. I have to ask--Have you ever done this?---Brian
    29 replies | 1942 view(s)
  • brian Rupnow's Avatar
    10-06-2017, 05:12 PM
    I have tried my hand at just about every kind of crankshaft construction I know of. Many successes, some that went terribly wrong, and some that I...
    29 replies | 1942 view(s)
  • brian Rupnow's Avatar
    10-05-2017, 01:14 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I seem to have worked my way through the greatest part of the pain, with the help of physiotherapy, Oxycodone, and time. I am still feeling a bit...
    201 replies | 14272 view(s)
  • brian Rupnow's Avatar
    10-05-2017, 01:14 PM
    brian Rupnow replied to a thread Back to Steam-- in General
    I would just love to be doing some more with this project right now, but the pain in my back and right leg is just so ferocious I can't. All I can...
    201 replies | 14272 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
7,660
Posts Per Day
2.18
Albums
Total Albums
3
Total Photos
0
General Information
Last Activity
Today 08:10 AM
Join Date
03-09-2008
Referrals
0