Chains - Free at last!

After about seven weeks, Sentinel 7109's pair of big-time bicycle chains have finally given in to the lengthy diesel dunking and manipulation with hammers and Stillson wrenches; now all rollers and links are free to move.

Flexible chain links ...

... wound round semi-sprockets

So the work is now complete to ensure there are at least two workable drive chain sets. A deep oiling will be required before use.