Jasonb

If you have the 3D file why not get it printed in a stronger material, one of the CF filaments or metal. With endless option sfor the...

Have a look at Dormer Pramet, just about all theirs are gun nose M2.5 is a small as I go with spiral flute, YG-1 brand for good work...

You don't need a fluteless tap for that. Just use a spiral flute or spiral point. First lifts the spiral of swarf out the top of the...

Pat as I said back in post 38, you don't need a venturi. Go look a the small weedwackers and Walbro type carbs they are straight...

I made the carburetor body on Monday. Throttle and jet took a while, small stuff. The needle is not done yet. Is that a part that...

Gives you a bit more solid cross section as the finer thread will have a larger core diameter. Also as it is a blind thread you are...

But I don't think Brian likes screwcutting.

A finer thread for the plug would be better if you have suitable tap & die.

You need to remember that when these engines came out those making them had a steel rule and a pair of firm leg callipers. Engines were...

Brian, you have stripped 1/4 x 32 threads in other engines. Is it heavy handedness or are you using the wrong tapping drill and not...

The head was drawn up as if it were a casting with draft angles and fillets. After turning the spigot that fits inside the cylinder I...

Oh, that rocker stud hole may be in the way. Might actually be an advantage as you can redrill and tap it then the stud/screw will help...

Chances are the small copper washer on a 1/4 x 32 plug won't have enough surface area to seal against if you put the larger helicoil in...

You could always do a parallel core and then just machine out the water space, would keep wall thicknesses more constant. Poplar is...

M3 hex socket grub screw will be a lot better than the soft slotted head one supplied which soon gets chewed up or one half breaks off.