The Bucket Foundry

[WilDun]

No, no, you seem to have that under control.

[husaberg]

ok..................on the silly side..........

[WilDun]

ok..................on the silly side..........

Quite intrigued by the first one, the second one is interesting in that the crankshaft rotates at half speed - was actually used in an aircraft but had problems with vibration.

[Grumph]

Tell me the second one wasn't thought up by someone using a piece of gymnasium equipment....

[Flettner]

Tell me the second one wasn't thought up by someone using a piece of gymnasium equipment....

Ha Ha, I think I've used that piece of Gym equipment

[Flettner]

The beginnings of the "beam" engine. 54mm (twostroke) down to 34mm all fourstroke bottom end.

Will, The beam in the picture was machined up last Sunday in a fit to try out an idea I had on the ryger engine, then I thought bugger the ryger I'll just do what I want and just go off on a tangent like usual. Bugger KISS, I use chaos, works for me

[husaberg]

Tell me the second one wasn't thought up by someone using a piece of gymnasium equipment....

I just figured out the second one counter rotates as well I never noticed before.

[WilDun]

I'll just do what I want and just go off on a tangent like usual. Bugger KISS, I use chaos, works for me

I do agree there, my philosophy is, Treat every mistake you make as a lesson learnt! - much more exciting that way! (however,this is not a wise way for those who want to live inside the square).

[WilDun]

I just figured out the second one counter rotates as well I never noticed before.

Don't you mean the first one?

[husaberg]

Don't you mean the first one?

yip...what was your link though

[WilDun]

yip...what was your link though

Not quite sure, read it a few years ago, but I'm trying to find it again.......................please wait.

Got it! - this is just part of a quite a big and interesting site too, but here is the specific page you were asking about.

http://www.douglas-self.com/MUSEUM/P...am-IC.htm#fcam

That's the second one of course, now if only I could remember the name of the first one - it used to be easy to find about 7 or 8 years ago!

[Flettner]

https://youtu.be/aeGhvdfWxIY

I'm uploading more but it sure takes time.

https://youtu.be/NJzmDjXvUqA

CO2 core box packing, sleeve cylinder and exhaust port core.

[WilDun]

https://youtu.be/aeGhvdfWxIY

I'm uploading more but it sure takes time.

https://youtu.be/NJzmDjXvUqA

CO2 core box packing, sleeve cylinder and exhaust port core.

Quite entertaining video (and informative).
You seem to be sold on the use of sodium Silicate for both your cores and moulds - that core seems to be fairly big and looks like it might take time for the CO2 to get right through it, do you make vent holes to help it get through?

Think I might try it soon as I have the ingredients to do it, but I can't remember the silicate to sand ratio, I know you said somewhere what it was but I thought I'd just ask you anyway.!
How do you know when to stop the CO2 - is it just intuition, what happens if you overdo it?

[husaberg]

Quite entertaining video (and informative).
You seem to be sold on the use of sodium Silicate for both your cores and moulds - that core seems to be fairly big and looks like it might take time for the CO2 to get right through it, do you make vent holes to help it get through?

Think I might try it soon as I have the ingredients to do it, but I can't remember the silicate to sand ratio, I know you said somewhere what it was but I thought I'd just ask you anyway.!
How do you know when to stop the CO2 - is it just intuition, what happens if you overdo it?

Will I came across this seeing as you like experimenting.
http://jarod.eells.us/projects/Found...-silicate.html

[Flettner]

Quite entertaining video (and informative).
You seem to be sold on the use of sodium Silicate for both your cores and moulds - that core seems to be fairly big and looks like it might take time for the CO2 to get right through it, do you make vent holes to help it get through?

Think I might try it soon as I have the ingredients to do it, but I can't remember the silicate to sand ratio, I know you said somewhere what it was but I thought I'd just ask you anyway.!
How do you know when to stop the CO2 - is it just intuition, what happens if you overdo it?

Still uploading the last video. I think it was between 2.5 amd 3.5 percent. Gas until hard and yes I do poke small holes though the core to help the gas through, too much gas and you just waste it. It's quite quick to harden. If you have blind pockets you will need gas holes in the sand right up to the pattern. I've got a video on gassing but things are said that can't be let out on YouTube so I will do another one when I get time. These video's are a year and a half old.