Thanks for posting this process. This is something I will want to try,
as I need to make a small cored part that I am having great dufficulty
making the core for.
I have some questions for clarifyng the details.
1)
I assume the holes on the top of your casting are core print for the part...
I have a original Dick shelly 1/3/Galloway, un-machined complete kit with gears, prints and castings in iron and bronze.
Asking $600.00 + $75 for shipping
maury
My experience is that paint does not stick to aluminum reliably without being cleaned thoroughly and primed. Additionally, the only primer that I know of that actually works is zinc chromate.
This is a very nasty carcinigen, and must be treated with the most care and respect. Don't get it on...
GreenTwin, I am working on this same problem for an engine kit I have that did not include the timing gears.
You neglected to give a very critical piece of information: the c/c shaft spacing. This number will be equal to the sum of the pitch diameters (Pd) for the pinion and the gear.
The Pd...
Seadragon, thank you for the pictures. It looks like you are making some good progress.
I didn't really keep track of how many kits I sold, happy customers were more important than quantity of sales. It's going to be more than 10 and less than 100.
I have sold the patterns to Melvin Huyard who...