RE: Echo BME twin
Well My crank is ready for welding. It took a little over an hour to drill and tap the front shaft for a stud to get rid of the left hand threads, and cut off the rear crank and get it bored for the locating nub from the front crank. Most of that time was indicating things to make sure it wouldn't have any run out. The acual machine work only took a couple of minutes. I have an e-mail in to keith asking a couple of details on the welding and will share his answers.
While I am waiting for my welder to get to the crank I am going to make a mandrel to hold the cylinders and turn the fins down.
My case only came with two bolts that were too short holding the halves together. Tha case takes two different lengths of bolts, I ended up using two that are 30mm long and two that are 40mm long.