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Old 03-07-2016, 22:25   #16
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Join Date: Feb 2010
Location: El Ciudad del Mission San Diego de Alcalá en Alta California, Virreinato de Nueva España
Boat: Cal 20
Posts: 2,349
Re: Columbia 26 MKII vs Coronado 27 performance comparisons

Originally Posted by Chinook92 View Post
i appreciate the input

However, i think you are missing my points

i didn't say i was going to buy either a columbia or coronado, i said that seems to be the boat that is consistently the most available

i was wondering how the two models handle

i am aware there are better boats out there

i do not care about other boats


my purpose in making this thread is because i had a general curiosity in whether or not the differences in the two boats were of any noticeable performance gains. it is merely a technical question regarding two similar, yet different boats made off the same hull with slight differences

nothing more

other than that, well, yeah.....................
So as far as performance differences go, in the northwest these 2 boats rate even under PHRF. The slight waterline advantage of the Coronado is offset by the Columbia's sail area advantage.

I sailed a club owned Columbia 26.2 for a number of years and can say first hand that the scimitar rudder tends towards weather helm. As a guess the Coronado's rudder would feel for balanced. Since the NorCal PHRF ratings are also even this probably doesn't provide a performance advantage but it might provide a comfort while sailing advantage.

The Columbia uses a full interior liner. I haven't been aboard a Coronado 27 in 25yr but photos on line suggest it also has a full liner. Since the 2 companies are related and the boats have the same designer I suspect the liners have similar scantlings. If that is the case then the Coronado is likely going to have an advantage in hull strength. If you subtract the ballast from the displacement, the Coronado has about 300lb more material in it (lets say about 7%). Even adjusting for the extra length it's going to be several percent heavier. Since bending strength scales the the 4th power, a 3% gain in thickness will give you a 12-13% increase in bending strength. Punching shear will improve proportionately less, but I would still expect an extra 5% in that.

If you are willing to modify the boat the Coronado has room for improvements. Specifically you could lengthen the boom (and move the traveler into the cockpit) which would probably necessitate adding a short bowsprit to keep the boat balanced. The added main area and the bigger genoa or drifter you could use would significantly improve light wind performance.

As far as the motor well on the Columbia goes it cut both ways. It did allow the motor to run in bigger waves, but usually that was accompanied by wind which resulted in sailing. The drawback was finding a motor that fit the well, not just the size of the bottom unit fitting thru the hole but the tilt of the motor. I recall we had problems finding a motor that was raked properly to not impinge the rudder when not running. When it was running thrust would push the bottom unit forward. In idle or turned off was when there was problems.

A house is but a boat so poorly built and so firmly run aground no one would think to try and refloat it.
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