09/24/06 - 09/27/06
Here in this first photo I have all the head mounting studs removed and the mounting surface all
cleaned up. A little heat was applied to safely remove the studs...
Next work was done on the crankshaft end of the cylinder. Photo #1 shows the ring that closes off
the water jacket passages still in place. Photo #2 shows the ring removed and the mounting surface
all cleaned up...
These (2) photos show the cylinder rotated around on the horizontal boring mill getting set up
for indicating the existing bore...
Photo #1 shows getting ready to indicate the machined face on the crankshaft end of the cylinder.
This indicating is used to get the cylinder into rough location. Photo #2 shows indicating the
This photo shows a couple of flame burnt blanks that I am going to be machining into counter weights for another engine project...
On Sunday October 1st, 2006 my friend Dave Yorks came over to my shop with his Callahan model.
It had been running a little erratically and we had things narrowed down to the carboration. Dave
bought a small model Lunkenheimer carborator for his model Callahan, and we installed it today. What
a different running engine. Very smooth and consistant running now. These (4) photos below show
Dave's Callahan model with the new carb installed. The forth photo shows the engine running with Dave
tending to the oiling...
10/12/06 - 10/17/06