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  • Users: collinsda
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  1. collinsda

    Advancing CDI units

    Just wondering if anyone here has advanced a CDI unit. I was thinking of mapping the peak cylinder pressure against crank angle for a race engine I am developing and then tweaking the ignition timing so that I am achieving peak pressure at the optimum angle for a particular RPM range. I was...
  2. collinsda

    ZXR Flywheel Puller

    Does anyone know what size puller fits the ZXR flywheel?? MBurgess, any ideas? The bike is a H1 model. Thanks guys, Dave
  3. collinsda

    Exhaust Link Pipes?

    Hi, just wondering if anyone has any opinion or info on this... I am currently building a race bike and due to limited budget I am going to be using the stock exhaust system. Firing order is 1-2-4-3 and the downpipes are linked 1 to 4, and 2 to 3. The collector is a 4-2-1. The cam profiles...
  4. collinsda

    Building up intake runners - Epoxy??

    Hi all, just a quick question about building up areas of the intake runners etc... I was just wondering if anyone could recommend a particular type/brand of epoxy or another suitable substance. I know a lot of engine builders use epoxy for this but I don't know which type and I'm reluctant to...
  5. collinsda

    ZXR400 Cam Info.

    Hi all, hope someone can help here. Have scoured the net for this info but to no avail :( I'm look for cam lifts, durations & opening times for a ZXR400-H. An older thread by MBurgess yielded the lifts & durations (thanks!) but just wondering if anyone (Mburgess ;) ) knows when they open...
  6. collinsda

    Laser Inspection of Surfaces - Vibration Management ??

    Hi All, hopefully someone will have experience of something like this !! - I am using a micro epsilon laser/camera displacement sensor to measure surface defects. The laser is accurate down to .25um so picks up quite a lot of the vibration as it is being moved over the surface (movement is...
  7. collinsda

    Laser Inspection of Surfaces - Vibration Management !?

    Hi All, hopefully someone will have experience of something like this !! - I am using a laser/camera displacement sensor to measure surface defects. The laser is accurate down to .25um so picks up quite a lot of the vibration as it is being moved over the surface (movement is achieved through...
  8. collinsda

    Alpha Case Formation in Titanium Welds

    Can anyone direct me to a good website or link with some info on this topic. I have the summary of the Robinson/Lippold paper but was just looking for more info. Many Thanks, DC.

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