I have had two similar issues with A4:
1. Coil overheats: shuts engine down after running heavily for hour or
so, then restarts normally after sitting for half hour. Moved the coil
off the engine, has never happened since.
2. Sudden and complete shut down while running normally: found that one
of the round contact terminals on the points had broken off.
Your second issue sounds more like something slipping in the
transmission, though A4's are not know for that problem. Cavitation
would be more likely related to plunging in to a wave or some sudden
increase in load on the prop.
Neil Gallagher
Weatherly, 35-1
Glen Cove, NY
On 6/13/2023 1:42 AM, Karl Kuzis via CnC-List 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
C&C Mk1
karl.ku...@gmail.com
On Tue, Jun 13, 2023, 3:18 AM Korbey Hunt via CnC-List
<cnc-list@cnc-list.com> wrote:
Scary stuff. Frustrating when "professionals" muck things up.
Get Outlook for Android <https://aka.ms/AAb9ysg>
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