Heavy fouling of the prop can cause low thrust and RPM, but often suffers vibration from imbalance.
On Thu, Sep 17, 2020 at 8:11 PM E White <victoriaene...@gmail.com> wrote: > Dave: > A few Questions: > Exhaust smoke; under load does it produce an elevated amount of black > smoke (overloaded)? White smoke that dissipates gradually (unburned > fuel)? White smoke that travels a few feet and vanishes (steam)? > > Was the engine fine one day and have this problem the next, or is it > something that has developed gradually? > > Under load, does it run evenly or does it surge and sputter? Or, run > evenly and smoothly? > > Eric > > On Sat, Sep 12, 2020 at 7:45 PM Dave S <syerd...@gmail.com> wrote: > >> Non C&C content but relevant. My neighbour has an Ericsson 30 with a >> 16hp universal diesel. >> His engine will not rev beyond 1800 In reverse and is similarly >> challenged in forward. It’s dangerous as he cannot proceed faster than 2kt >> against wind and waves. It revs freely beyond 3000rpm in neutral. >> Am thinking it’s either low fuel flow (so work from pickup tube to pump >> to troubleshoot) or a partially blocked mixing elbow. (Re and re) Will also >> assist him in verifying that throttle and shutoff are fully operable at the >> engine and that the air intake is unrestricted. He recently replaced his >> fuel filters. >> Any other thoughts or expertise that might help? >> Many thanks! >> >> Dave - 33-2 (with a well loved and happy Yanmar) >> >> Sent from my iPhone >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
