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  1. davidgeorge212

    Question on plans for cam shaft follower push rods

    Yes, the pushrod is 2mm diameter. Ian, you are pretty much dead on with the exact travel of the cam will be 1.695mm. I appreciate all the help I get from this forum its really helping me to get a better understanding on how this stuff works.
  2. davidgeorge212

    Question on plans for cam shaft follower push rods

    Ok, I got out my old OS 60 open rocker engine to see how they did this. I was under the assumption these were supposed to be real shallow cups but they actually have a drilled down 1 or 2 mm so its actually more of a deep socket which contains the pushrod from slipping out. Its making more...
  3. davidgeorge212

    Question on plans for cam shaft follower push rods

    I also thought this might be the case but I was wondering what if the push rods were to get mis aligned and fall out of the domed socket. Is there anything that attaches the pushrod to the tappet so it won't come apart but still move freely? Seems like if the pushed is just resting on top of a...
  4. davidgeorge212

    Question on plans for cam shaft follower push rods

    I am working towards understanding some engine plans before I start building it. I have a question on how to make POS 35. This is the end tip for the pushrod that is used to follow the cams. The only thing that makes sense to me is that 35 is a sleeve that attaches to the 2mm diameter push...
  5. davidgeorge212

    Trying to understand cam shaft gearing. Help needed.

    sorry, I have been away for a little while. Yes the center crank shaft gear is 14 tooth. And yes, of most plans I have found these are very detailed with dimensions and tolerances. I am just working my way through the entire set of plans and instructions to see if there are going to be...
  6. davidgeorge212

    Trying to understand cam shaft gearing. Help needed.

    You are right. I know these plans originated in germany and I didnt understand most of the labels, so thankful for Google translate. I just found out Z does represent number of teeth. And apparently modul 1 represents a section or area of the Mädler company which is a German company where I...
  7. davidgeorge212

    Trying to understand cam shaft gearing. Help needed.

    I am somewhat new to engine making and I have never dealt with gears before. I am working off of Martin ohrndorfs v12 engine plans and it shows the gearing in the back end. They are labeled as cam shaft gearwheel/steel/ Z.-28,-Modul 1 Idler gear for camshaft gear / steel / Z.-15, Modul-1...
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