Bob, You expect too much from the magneto manuals. I have the Bendix overhaul and installation manuals as well as the Slick installation manual. There is no such spec in the manuals as the coupler mounts to a tapered shaft, then the mag mounts flush to the accessory case. The engagement depth is fixed. However, the size and depth of the coupling you show is more robust than what you'll see in the generator/alternator drive on a small Continental, so I would not expect a problem with it. If you have an alternator bearing seize, it should be the shaft through the alternator that fails, which is what you want.
Jeff Scott On Tue, 7 Nov 2006 07:04:52 -0500 "Bob Lee" <b...@flyboybob.com> writes: > KRnetters, > > I am very excited to have finally completed a 27 month long step in my KR > construction. Yesterday I completed the modifications needed to make my > Hitachi alternator look to my engine like a magento. I have put together a > link that compiles my diary pages into one page of the alternatormodification at: > http://flyboybob.com/web_pages/kr2/alternator_index.htm. > I need some peer review of the drive puck installation from those of you > with magneto experience. I have approximately .200" engagement depth into > the .250" deep magneto drive puck when the puck is fully seated on the > alternator. > > Now for the important questions: What is the normal engagement depth > clearnace for the magneto drive puck? Does anyone have access to an > installation manual that gives specifications for the magneto drive puck > clearnaces? > > Regards, > > Bob Lee > N52BL KR2 > Suwanee, GA > 91% done only 65% to go! >
