If you haven't checked it out, I've written up how got my Rolls Royce Derwent MK9 engine Rolls Royce Derwent MK9 Teardown and Lessons Learned . So the BP's were the 10-hole kind and the flame tubes were a variant and have a different hole pattern at the bottom. The flame tubes are in...
I received a set of derwent balance pipes yesterday, and they came with coupler or collar connecting them and I can't seem to get them apart.
Is there a trick or tool for this? Does it simply unscrew and is probably seized up?