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Old 01-28-2019, 10:22 AM   #4
sunchaser
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City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,186
Quote:
Originally Posted by djmarchand View Post
Engine percent load is a weird concept. 35% load on a N/A Lehman 120 or Perkins 135 is about 80 hp. David
Your 80hp number seems very high for these two engines. Steve Z's methodology load calculation is to look at prop curve. If max HP developed is at 6 gph, then 35% is a bit more than 2 gph or 38 hp.
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