Mornin' Folks!
Got a note from a gent this morning, answering my query for tractor-movin'. He's got a pair of Cubs halfway between Rockford, Ill and Madison, WI that need to go to WFM. Anyone that's coming to Prophetstown from Madison-way? If you can move 'em to P-town, I can get 'em there, and move 'em to WFM... drop me a note direct!
Other cubbin'... I did a little work on the 109's exhaust last night... I've been running the standard muffler in vertical-orientation on a short extension, and to quell the noise, I stuck about a 20' piece of EMT and a rain-cap on it. I think it had a SLIGHT effect on performance, but had a drastic effect on noise- much less poppy now. I know someone had a method of calculating effect on volumetric efficiency, but don't remember who or where... if anybody knows, let me know- I'm curious as to what the mathematics say about this configuration.
Got a note from a gent this morning, answering my query for tractor-movin'. He's got a pair of Cubs halfway between Rockford, Ill and Madison, WI that need to go to WFM. Anyone that's coming to Prophetstown from Madison-way? If you can move 'em to P-town, I can get 'em there, and move 'em to WFM... drop me a note direct!
Other cubbin'... I did a little work on the 109's exhaust last night... I've been running the standard muffler in vertical-orientation on a short extension, and to quell the noise, I stuck about a 20' piece of EMT and a rain-cap on it. I think it had a SLIGHT effect on performance, but had a drastic effect on noise- much less poppy now. I know someone had a method of calculating effect on volumetric efficiency, but don't remember who or where... if anybody knows, let me know- I'm curious as to what the mathematics say about this configuration.