AT4's are known to be susceptible to internal shorts in the ignition coil. If it sits for 15 minutes or so then restarts, that may be one culprit.
-- Dennis C. Touche' 35-1 #83 Mandeville, LA On Tue, Jun 13, 2023 at 12:42 AM Karl Kuzis via CnC-List < cnc-list@cnc-list.com> wrote: > Since we are on stories of oddness I have 2. > > First, when cruising along at modest rpm, will have a sudden shut down. > Just off. No change in sound, smell, rpm, etc just as if ignition switch > cut out. Suspecting a loose connection I proofed all wires / connections > and we'll test it out cruising around next week. Any odd ideas to keep in > mind? > > Second, episodically when motoring at higher rpm close to hull speed will > have a sudden racing of the engine with loss of power. Pull back throttle, > and goes back to normal but not unusual to reoccur. Haven't noticed it at > lower speed or rpm. > I'm suspicious of cavitation but haven't thought it thru as to causes, > tests of theory, remedies or other options. Thoughts? > > C&C 29 Mark 1 with a recently rebuilt Atomic 4 and 2 bade folding prop. > > Karl Kuzis > Firefly > >
Please show your appreciation for this list and the Photo Album site and help me pay the associated bills. Make a contribution at: https://www.paypal.me/stumurray Thanks for your help. Stu
