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Category Archives: Camshafts
Tappets & both camshaft bushes completed for Seal engine
Yesterday I managed to make the tappets for one engine (8 in all) and they are now awaiting my first attempt at case hardening. To speed up their production I made a tube out of stainless steel to fit over … Continue reading
Camshaft bush and 8 valves finished for Seal 4 cylinder 13.7cc engine
Today I managed a session in the workshop and completed (other than cutting a screwdriver slot in the valve faces) the first set of 8 valves. Last night I thought I would change my plan and get something to revolve … Continue reading
Posted in Camshafts, IC model engines, seal engine build
Tagged bush, camshaft, valves
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Today’s session – the end of the beginning but not the beginning of the end!
Today’s session – the end of the beginning but not the beginning of the end! The 3rd and last camshaft has been made for the two Seal engines I am building at present Continue reading
Last camshaft for Seal engine is started today.
Last camshaft underway today for the Seal 15cc engine Continue reading
Posted in Camshafts, General engineering posts, IC model engines, One off projects, seal engine build
Tagged camshaft, seal
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The second camshaft for the Seal engine nears completion
The second camshaft for a pair of Seal 15cc petrol engines to a design by Edgar T Westbury. The two camshafts that have been made are turned differently to allow (hopefully) the engines to turn contra rotating propellers. Continue reading
Posted in Camshafts, General engineering posts, IC model engines, seal engine build
Tagged camshaft, seal, westbury
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An answer to my question on Seal camshaft!
The answer to a problem of the wrong cam profile fora Seal engine turn out in fact to be a bonus! Since it is the pattern required to run the engine in reverse as it were for powering a contra running engine in a twin engine power boat. Continue reading
Posted in Camshafts, General engineering posts, General posts, seal engine build
Tagged camshaft, Edgar T Westbury, seal
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Plea for help in answering a question – Seal camshafts
A question is asked to clear up some confusion over Cam profiles and firing order. Also how best to build a pair to power contra rotating propellers. Continue reading
Posted in Camshafts, General engineering posts, IC model engines, seal engine build
Tagged camshaft, seal
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Good progress with the Seal Camshafts – will it stay that way?
Three camshaft blanks are being made before profiling the cams takes place. One is being made from steel that will then be hardened as an experiement. They are destined to be used in two Seal engines being built as a twin petrol instalation in a model calssic boat. Follow the build here. Continue reading
Posted in Camshafts, General engineering posts, General posts, IC model engines, seal engine build
Tagged camshaft, seal
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Good progress for a change – one camshaft blank done.
The first proper camshaft blank has been made, only another 2 to go. This is for a pair of Seal 15 cc engines being built to power a classic model power boat. Continue reading
Posted in Camshafts, General engineering posts, General posts, IC model engines, seal engine build
Tagged camshaft, seal engine
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