Originally Posted by rv6ejguy
Best practice is to triangulate all engine pickup points although I've seen a number of designs with multiple airplanes flying successfully for years which didn't and had cringeworthy tube layouts.
The last thing you need is the engine departing the airframe, so play this area safe. You can move the crank sensor to the flywheel end of the engine if there is tube interference at the rear. As Scott says, don't let this drive any compromises in the tube layout of the mount. I can supply you with alternate sensors and magnets if you need to re-position things.
Thanks for the offer on the hall effect, but there is no need to relocate it.