I am about to begin work on the FAB for my carbed O-320 but I don't have a clear understanding of the interface from Sam James inlet ring to Vans FAB. My research hasn't thrown up an answer.
In particular, I can't see how you can get a satisfactory seal while still allowing the lower cowl to move straight up and down for fitting and removal. At most, the cowl can move forward 1/4in before it hits the aft edge of the spinner so vertical movement is really the only option.
James supplied an "induction adapter" piece that goes from circular to D shaped but the instructions say that it should be bonded to the FAB, meaning the sealing takes place at the forward end behind the inlet ring by means of a flexible sleeve. But how can you insert the FAB end into this seal when you have no horizontal freedom of movement?
Does anybody have any pictures from this area of a similar project?
In particular, I can't see how you can get a satisfactory seal while still allowing the lower cowl to move straight up and down for fitting and removal. At most, the cowl can move forward 1/4in before it hits the aft edge of the spinner so vertical movement is really the only option.
James supplied an "induction adapter" piece that goes from circular to D shaped but the instructions say that it should be bonded to the FAB, meaning the sealing takes place at the forward end behind the inlet ring by means of a flexible sleeve. But how can you insert the FAB end into this seal when you have no horizontal freedom of movement?
Does anybody have any pictures from this area of a similar project?