acubria
Member II
Finally I got to take the boat out for the first time. The old owner (who is not mechanical at all) and a friend of his came out with me. The friend (who is pretty mechanical) came out to help adjust the stuffing box since I had never done it.
The boat spent the winter in the water. The motor started right away after a New York winter! We went out motoring since testing the Yanmar 1GM (6.5hp) was my priority. It all went fine, I thought. At some point I thought I would test the reverse gear, just to see how it would handle steering backwards. It did pretty well. When I turned the motor back into forward gear, it felt weirdly as if the boat was not moving. I checked the shaft , and the shaft was turning….. a bit more gas….kind of nothing; a bit more gas.... and it started moving again. Weird 10 seconds of confusion…. Old owner and friend were confused too. For a second we thought we had lost the prop.
We went back to the marina after about 30 minutes, I docked the boat backwards perfectly fine into a really tight spot, and that was it. I went home happy, but kind of still thinking about those “weird 10 seconds”….
Today I went back to the boat. A friend came with. We were just leaving the slip when again, it felt as if the boat was not moving…very little thrust....motor is going , shaft turning…but it feels like it has no power…… It was a bit windy and I decided to stay put and do some testing. My friend said he thought maybe the transmission was slipping(?). I checked the transmission oil and it was completely white! Like a vanilla milkshake kind of thing (see photo). I know this is water mixed with the oil. I emptied the transmission and poured new oil 5 times to flush out all that milky stuff. I started the motor again while tided to the slip and put in forward; I could see water moving behind the boat, so the prop was turning. But it still feels like very little thrust.
A few questions for the experts:
1- I think during most of this experience the RPM was provably under 2000 and now I am thinking that maybe it needed to be higher? Also, I kept the whole motor compartment open to be able to inspect it while underway, so even at 1500rpm, it was pretty loud.
2- Could it be that the prop is too small , or too corroded due to lack of zinc? It kind of feels sometimes as if there is no prop.
3- Could the prop be somehow loose and sometimes not turn while the shat is turning? I asked and the prop is not one of those that fold.
4- Would having this milky oil in the transmission make it slip? Does it even have gears??
5- Maybe the e-26 with a 6.5hp , just does not have any thrust ?
6-And where could this water come from?
I have to go back and do more testing. Maybe I just need to get use to this little Yanmar?
Any thoughts would be greatly appreciated.
The boat spent the winter in the water. The motor started right away after a New York winter! We went out motoring since testing the Yanmar 1GM (6.5hp) was my priority. It all went fine, I thought. At some point I thought I would test the reverse gear, just to see how it would handle steering backwards. It did pretty well. When I turned the motor back into forward gear, it felt weirdly as if the boat was not moving. I checked the shaft , and the shaft was turning….. a bit more gas….kind of nothing; a bit more gas.... and it started moving again. Weird 10 seconds of confusion…. Old owner and friend were confused too. For a second we thought we had lost the prop.
We went back to the marina after about 30 minutes, I docked the boat backwards perfectly fine into a really tight spot, and that was it. I went home happy, but kind of still thinking about those “weird 10 seconds”….
Today I went back to the boat. A friend came with. We were just leaving the slip when again, it felt as if the boat was not moving…very little thrust....motor is going , shaft turning…but it feels like it has no power…… It was a bit windy and I decided to stay put and do some testing. My friend said he thought maybe the transmission was slipping(?). I checked the transmission oil and it was completely white! Like a vanilla milkshake kind of thing (see photo). I know this is water mixed with the oil. I emptied the transmission and poured new oil 5 times to flush out all that milky stuff. I started the motor again while tided to the slip and put in forward; I could see water moving behind the boat, so the prop was turning. But it still feels like very little thrust.
A few questions for the experts:
1- I think during most of this experience the RPM was provably under 2000 and now I am thinking that maybe it needed to be higher? Also, I kept the whole motor compartment open to be able to inspect it while underway, so even at 1500rpm, it was pretty loud.
2- Could it be that the prop is too small , or too corroded due to lack of zinc? It kind of feels sometimes as if there is no prop.
3- Could the prop be somehow loose and sometimes not turn while the shat is turning? I asked and the prop is not one of those that fold.
4- Would having this milky oil in the transmission make it slip? Does it even have gears??
5- Maybe the e-26 with a 6.5hp , just does not have any thrust ?
6-And where could this water come from?
I have to go back and do more testing. Maybe I just need to get use to this little Yanmar?
Any thoughts would be greatly appreciated.