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  1. J

    Webster carb & fuel tank question

    Hi All, From what I read in the forums, I need to use 0.12 or 0.15 size carb to get the Webster running. Problem is that I have a 0.60 carb lying around. Any suggestions or possibilities to perhaps modify it to do the the job ? I would also like to know if a press fit with Locktite would seal...
  2. J

    Surface finish

    Good day to all the masters out there ! I am busy with a Webster, and came upon a bit of a challenge. I have decided to take the difficult route of a one piece crankshaft. All the unwanted material has been milled of, and at this stage I am busy finishing of in the lathe. The surface finish of...
  3. J

    Cutting internal gears

    Is there a method to cut internal gears without a shaper ? I have a lathe & milling machine with dividing head to work on ?
  4. J

    Lathe bed care

    Hi all,I have a Maximat V10. Apart from the obvious oil levels, does anybody perhaps have advice on the care for the sliding parts ? The oil 'wash' of with the coolant during operation. Any special care and advice please ?
  5. J

    Combustion chamber pressure - calcs

    Does anybody have more information on how to calculate the pressure inside the combustion chamber during the cumbustion cycle ? I have access to FEA software, and it would be very interesting to look at the stresses within the cranc and conrod. Thanks
  6. J

    Engine Lubrication Systems

    Can anybody perhaps explain to me the lubrication system of the typ multi cylinder engine? I see that the radial engines have proper oil pumps. We are talking twins or 4 cylinders, perhaps something to tackle after a basic like the Webster..
  7. J

    Webster Head Material choice

    As I proceed with my first Webster, more and more questions are popping up in my mind. For the barrel I used something that must have had Stainless steel in it (typ stainless swarf). Scrap piece, beautifull finish, very happy. I did not have a large enough aluminium piece, so I made the head...
  8. J

    Piston/Sleeve/Ring material combinations

    I am busy preparing to build a 4 stroke single cylinder Webster. I do however have a few questions on the material to use for different components. The plan says: 1.Use 12L14 steel OR cast iron for the sleeve. 2.Use 6061-T6 Aluminium forthe piston and conrod. 3.The material specifiedfor...
  9. J

    Hello from South Africa

    A big hi to all fellow modellers. I have recently joined, and I am highly exited about this wealth of experience that I am exposed to now. My day job is a mechanical and structural engineering designer, using Inventor Software. I obtained an old (but in tip top condition) Maximat V10. After a...
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