Some observations of my new to me C180SE vs. Stern Drive
Posted 29 July 2012 - 01:29 PM
I have been reading a bit about the cavitation issues a lot of these C180s seem to have. I have experienced a little bit of it but don't know if it is due to the environment in which I ride or an actual issue. I run in a section of the Columbia River where the Snake River meets that flows at a rate of anywhere from 3-6 knots. I get some of the cavitation when taking off to go upstream. I only experience a little bit then it bites and goes when only 2 people are on board. Yesterday I had 4 on board and it took it longer to bite. I was also going into a pretty decent head/side wind with the bimini up so I understand that I am certainly going to be slower out of the hole with those conditions. I will be taking the boat to a lake in a few weeks so I am curious to see the differences between our river and a lake. Even with some cavitation it still is out of the hole and on plane a lot faster than my stern drive boat could ever hope to be.
On the issue of wind. When going into any kind of head or head/side wind these boats react completely different than my stern drive boat does even with the bimini top down (I normally don't run with it up). I have to have the wheel pretty hard over just to maintain a straight line in my C180. With a stern drive boat it didn't have to compensate near as much since the lower unit and deeper draft help to anchor the vessel against the wind. It is not a big deal...just merely something I had not thought about before purchasing.
Feel free to post your experiences in these kind of situations or other situations you have noticed differences between your past stern drives and the direct drive jets.
2005 Chevy Silverado 2500HD LLY Duramax
1975 Chevy K5 Blazer SB400
2008 Polaris Outlaw 525 built for sand
2011 Yamaha FZ8
2011 Sea-Doo 180 Challenger SE
Posted 01 August 2012 - 09:40 AM
Posted 19 August 2012 - 10:11 AM
Not sure why yours cavitates on take off. I have seen a little If I am cruising over choppy water; but never on takeoff.
Posted 26 August 2012 - 08:18 PM
Sometimes it takes some turning of the wheel to go straight when your load isnt balanced right. Try having passengers move to one side or the other to make it track straight.
Posted 10 September 2012 - 12:03 PM
google cobra jet steering modifications.
Posted 21 September 2012 - 04:39 PM
That said, I LOVE the boat and the jet drive. I have had sterns for 20 years---this is my first jet. We go on lakes and like to explore a large 50 mile long canyon. Sometimes the depth can get shallow quick, and with a stern, I was always stressed, and even struck an underwater tree once because I didnt trim up enough. Not having something sticking down another 2 plus feet below the boat it so nice. Plus, if you get good at feathering the gate lever, you can hold zero position and turn the thing on a dime if in tight quarters, back it out, spin around on axis, and speed away 5 times faster than even a 300 hp stern I used to have. Try that with a sterndrive!
Plus, I literally winterized my boat in 5 minutes the last time out. Got home and put on trickle charger. DONE. In spring I will take it out of the garage, change the engine oil and filter, and I am ready for the season. Unbelievably easy compared to the 8 hours I spend on the sterndrive: pulling jacket drains and plugs, changing water separator filter, changed lower unit gear oil, fogging cylinders, greasing gimble bearing, etc etc blah blah blah. This boat is way faster, hauls the same amount of people, and at 1000 pounds less, tows like butter. LOVE IT!
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