Seatwork

While a student and I did some work on the carb and throttle cable (version 3), we installed new exhaust gaskets and took another stab at fitting the exhaust.  Once again, it appears that the system will not work "perfectly" with a drum brake model machine -- the splined shaft that actuates the rear drum brake will foul on the exhaust megaphone.  Again, we need to think on a solution.

We then went about fitting the new gasket to the crankcase breather.  Some gentle surface prep was required.

Next we went to work prepping the cafe seat for fitment.  We haven't done anything permanent as we really needed to see where and how it could be best fit to the frame itself.  We will use the "stock" mounting points, so the three holes were drilled to orient this part to the frame.







Now that these have been determined, once we had offered it up to the frame, located it with the seat foam and shorter than usual tank, it became apparent that using the traditional mounting location was not going to work.  As a result, we will have to mount a new plate onto the frame to locate the seat.

Mr. S had brought along his welding kit, and some steel plate, and we set about cutting and measuring an appropriate mounting plate.  At this point we are not done (yet), but it was interesting to note how "long" it took to properly make the plate, and we haven't even attached it yet!  Mr. S will come in after school to do some welding to the frame, based on the work the students have done to date.  Accuracy is key!!!