Predicted performance data for Montauk with various engine combinations as computed by Kelly Ewing following the formula suggested by Clark Roberts and explained in the Reference article on propellers:
Fuel=168# Boat=950# Gear and Passengers=400# MAKE/HP/CYCLE MOTOR WT TOTAL WT MPH --------------------------------------------- Honda 50 4 212 1730 34 Honda 90 4 373 1891 44 Yamaha 50 4 233 1751 34 Yamaha 60 4 244 1762 37 Yamaha 100 4 356 1874 46 Yamaha 50 2 194 1712 34 Yamaha 60 2 228 1746 37 Yamaha 70 2 228 1746 40 Yamaha 90 2 261 1779 45 Merc 50 4 236 1754 34 Merc 60 4 236 1754 37 Merc 90 4 386 1904 43 Merc 50 2 199 1717 34 Merc 60 2 219 1737 37 Merc 75 2 303 1821 41 Merc 90 2 303 1821 44 Suzuki 50 4 243 1761 34 Suzuki 70 4 359 1877 39
For more information on mid-range engines available and their pricing, see a separate article in the Reference section.
The topic of repowering a Montauk (or other 16-17-foot hull) is a common one in the FORUM. Here are some hyperlinks to those discussions:
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Last modified: Saturday, 15-Dec-2007 10:55:10 EST
Author: James W. Hebert
This article first published March 30, 2002.