Search results

I've already purchased some cast iron material to make a small C.I. piston from but the different cast iron options available got me thinking... I have plenty of experience with the varying grades of aluminum and steel, but have not had any experience with cast iron at work. The supplier I...

I think I have this thought through on my own, but always welcome others to fill in any assumptions I've made before they bite me in the hand. I just got a set of boring bars that I'm quite happy with. I can hold the 5/16" and 3/8" bars in one of my QCTP holders, but not the 1/2" bar. I have a...

I'm finishing the design work on my first IC engine and had a few questions about machining the spraybar. I'm sitting here looking at this piece with some relatively deep for diameter holes and a REALLY small cross bore on a round surface. Any tips or guidance on setting up and machining these...

I'm working on a new design and was thinking about using needle bearings at the rod end of the shaft and a ptfe bushing/seal at the prop driver end. I haven't seen many instances of this combination being used, am I missing something on this train of thought? I'll also make a traditional plain...

I'm designing a compression ignition from scratch and find myself working on the porting. I'm trying to hit some very specific time area values but find myself scratching my head when it comes to design speed. I'm going with a 0.48in bore and 0.50in stroke, initial port time area...

I'm a Mechanical Engineer from the Princeton NJ area who is readying my first engine build. I'll be asking some questions in these forums that probably violate rule #1 that I've seen on other sites..."build a proven engine design first." After 5 months of research and a few spreadsheets I've...