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  1. 74Sprint

    Wise choice or not?

    I've been doing some research and I've pretty much settled on buying a Ender-3 V2 3D Printer and use Alibre Atom 3D. Since this will be my first 3D printer and 3D software I don't want to spend too much to learn 3D design and printing. I know I can get upgrades for the printer to extend it's...
  2. 74Sprint

    Is there something like lost wax?

    Is there something one can do with a 3D printer that is like lost wax? Ray
  3. 74Sprint

    Things of beauty

    Things of beauty, well at least they are to me. I only wish I could make these rods myself. They are GRP CNC'ed machined billet aluminum rods 5.650" big block Chevy and they are for my backup motor encase the Olds big block goes boom. I bought 2 sets of 8 and one set came with bearings. Yes they...
  4. 74Sprint

    Model Engine Ignitions

    Well I'm slowly finding time to make some model engine ignitions and for my race car. I am developing several different types of ignitions I am hoping to sell here, my web page, and on other sites. Once I have the designs ironed out I'll get a vendor membership for here and sell them. But in the...
  5. 74Sprint

    CNC Coil Winder / Cam Grinder

    Well it took me about 2.5 months to learn C# and to program an Arduino Nano but, I have Version 1 of my codes completed. I learned a lot about the Arduino IDE coding, it's a combination of C and C++ in their own flavour. They say necessity is the mother of invention. Shipping costs and some...
  6. 74Sprint

    Arduino & PC Stepper Controller - Good, Bad, Eh Idea?

    I'm currently working on a PC to Arduino to TB6600 2 stepper motor, coil winder. I'm doing this to lower the cost of making my ignitions. The coil winder will be a project available to the public. The winder will use 2 stepper motors working in synchronization to wind the coils. Right now I'm...
  7. 74Sprint

    Universal small engine ignition & Science

    I been this forum for some time and one of the things I noticed is that there seems to be quite a bit of head scratching when it comes to internal combustion ignitions. Mostly how to make and use them. I guess I should mention that I have been studying internal combustion engines for 40 years...
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