Jasonb

OK as you have made the pattern solid then you are best either with some form of follower or just scooping out the sand down to the mid...

Thats basically it the follower stops the sand at the split line like you were moulding the first half of a split pattern What are you...

Mostly beech though as I was using up offcuts there are a couple of maple ones in there. 16" flywheel and about 20lbs of iron

Exactly what Richard says, why go to the trouble of making a two piece when a single will do. Here are a few examples, the engine I'm...

I suppose you could, something like this with spacers under it.

You need to get some more pattern making experience, I've probably done more single piece patterns than split and if you also had a few...

As I said in the other thread unless you have a 3D printer there will be a lot of work making a follower for this part. The actual...

As I said in the other thread unles syou have a 3D printer there will be a lot of work making a follower for this part. The actual...

If using woodern patterns then a follower board would be considerably harder to make than the actual pattern. Easier if you are 3D...

I'm not sure how you can cast it without a split mould unless you are going to investment cast. Pat's link on page 2 looks to show a...

Sometimes on Ali they show the photo and image of the most expensive option but the price of the least expensive. You have to make sure...

I have not posted on here very much, and only look from time to time. I have a small shop foundry, and have melted around 26 tons of...

Make a smaller one like I did 24mm bor eis about 2/3rds the size

This is my version of the old Clarkson 1/2" x 1/2" single acting vertical engine. Redrawn in metric and made with a combination of...

They have a shearing action which is why the swarf peels off in thin swirls. The Tome one I have are still made in Portugal as they...