stringer_bell
Regular Contributor
"For the last 4 months I have
"For the last 4 months I have been running a 26ft charter boat (scuba) with TAMD40A. Engine has thru-hull exhaust, and raw water pickup from the grate in the hull. Run great with no smoke, fresh oil and filters. With Morten's advice i was able to get the correct prop for it (16x15) and have been very busy lately, with more and more passengers. I have noticed lately that when I fully load up the boat (with about 2000 lbs of people/tanks/gear), i lose some top speed (as expected) and i also run approx 25F hotter (expected as well??).
Empty boat (just me and full tank) 175F @ cruise RPM
Full boat (me, full tank, + 2000lbs) 205F @ cruise RPM
I run continuously @ cruise for approx 45min to an hour to my furthest dive spot. Temperature reading is always solid and steady, and gauge doesnt fluctuate. It never got above 205F (~95C).
Is this normal for the boat to run approx 25F/30F hotter when loaded down?
Thanks!"
"For the last 4 months I have been running a 26ft charter boat (scuba) with TAMD40A. Engine has thru-hull exhaust, and raw water pickup from the grate in the hull. Run great with no smoke, fresh oil and filters. With Morten's advice i was able to get the correct prop for it (16x15) and have been very busy lately, with more and more passengers. I have noticed lately that when I fully load up the boat (with about 2000 lbs of people/tanks/gear), i lose some top speed (as expected) and i also run approx 25F hotter (expected as well??).
Empty boat (just me and full tank) 175F @ cruise RPM
Full boat (me, full tank, + 2000lbs) 205F @ cruise RPM
I run continuously @ cruise for approx 45min to an hour to my furthest dive spot. Temperature reading is always solid and steady, and gauge doesnt fluctuate. It never got above 205F (~95C).
Is this normal for the boat to run approx 25F/30F hotter when loaded down?
Thanks!"