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  1. dnalot

    I Robot--

    I bought a litter robot (cat crapper) and my cats love it and so do I. Two cats and I only have to replace the bag every 5 days. Have a Roomba too, works great and never try's to (climb) the stairs. What I need now is a cat door with facial recognition that can lock the door when the cat try's...
  2. dnalot

    Farm Boy finally finished

    Very nice. I love the color you chose. Mark T
  3. dnalot

    Getting in Trouble for Metal Chips in the House

    I am required to remove my shoes before entering the house. My gripe is that my wife's hobby is sewing and she tracks thread all over the house and my socks get covered with the crap. It gets wrapped up in the vacuum and the wheels of our rolling chairs. Do I complain? You bet I do but it gets...
  4. dnalot

    Home built pistol

    I just like making things. I don't care what. I made a Gatling gun on a marine mount awhile back and posted some photos here My Post Its the first model on my shelf most people respond to. "Is that a Gatling gun?" No I reply, its a salt shaker. Mark T
  5. dnalot

    Using DOM or seamless stock as a starting point for cylinders

    I used DOM steel when I built my Holt. Worked fine for me. The DOM steel formed the water jacket and I used cast iron for the sleeved liner. I think it would work OK as a cylinder without the liner.. Mark T
  6. dnalot

    Farm Boy running

    I love it. Very nicely done. Mark T
  7. dnalot

    A new attempt at making piston rings

    I would like to see video of your happy dance. Mark T
  8. dnalot

    Decals/Logo

    You can buy decal sheets for an inkjet printer (Water Slide Paper). The kind you soak in water to separate the decal from the paper. I sprayed a clear coat of polly over the decal with no ill effects. I did the artwork with Corel Draw. Mark T
  9. dnalot

    CNC Mach 3 Parallel port replacement

    In the long run that is what I plan to do. What I needed now was something simple and cheap to get me up and running quick. Mark T
  10. dnalot

    CNC Mach 3 Parallel port replacement

    UC100 Motion Controller Well it happened. My old PC with a parallel port lost its magic smoke and died. I was expecting that to happen so I had backed up my Mach 3 program a while back so I wouldn't lose the setup for my CNC router table. Not wanting to spend a lot of money I opted to try...
  11. dnalot

    Mid engine conversion how to.

    You have to hand it to the Canadians, they make it look so simple. Kinda looks like Brian Mid engine conversion Mark T
  12. dnalot

    New member

    Welcome to the forum Peter Soak those rusty parts in vinegar over night and the rust will be gone to the bone. Mark T
  13. dnalot

    Small casting (alluminium) aty home.

    I built my furnace from directions in the book "Gas Burners for Forgers, furnaces & Kilns" by Michael Porter. It has served me very well over the years and is still in great shape. The steel shell is made from a propane tank. I used two tanks so I could make it a bit taller. The refractory...
  14. dnalot

    Mark's Bernays's steam engine completed

    I really wasn't expecting much of a response to this post but was pleasantly surprised. Thanks to all that responded is some way. Happy to see Grasshopper found the latest version of the plans. I used version 11 and the only error I found was that there was no mention of rings for the pistons...
  15. dnalot

    Mark's Bernay Engine

    I have posted some photos and a video of the completed engine here Mark's Bernays's steam engine completed If you are thinking of building this engine I would not recommend making the block from aluminum. This engine needs to be heavy as there is a lot of mass being thrust up and down and you...
  16. dnalot

    Mark's Bernays's steam engine completed

    I have completed my Bernays Steam Engine. Here is a link to my build thread Mark's Bernay Engine And a link to a You Tube video.
  17. dnalot

    The ENV aero engine

    Most impressive Steve. I especially like your hold back solution. Mark T
  18. dnalot

    Turning piston undersize above top ring

    I don't think you need to do that Brian. When I built the Holt 75 the plans called for three rings and I feared getting a ring on the center grove would be a problem. I installed the bottom ring from the bottom of the piston and then worked the center ring into place from the top, skipping over...
  19. dnalot

    Mark's Bernay Engine

    As happened on my last build, Mark's Holt 75 build, at the 11 hour just before my final post another member swooped in and posted their completed engine. Now a story doesn't need two endings so I am closing this build log and moving on. I will post photos and a video of my completed engine on...
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