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Old 10-23-2012, 04:27 PM   #1
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patzfan4eva's Avatar
City: Marina Del Rey, CA
Country: Los Angeles
Vessel Name: Mayhem
Vessel Model: CHB 34' Tri-Cabin
Join Date: Jul 2010
Posts: 88
34 Foot CHB Specs

Still rebuilding this boat...but I need some verifiable specs from others who own a 34 CHB around the 1980 vintage. Prop size, waterline hull length, weight. I'm trying to compare to mine and recalculate the proper prop for maximized speed and efficiency.

thanks for any help or advice....

Mayhem Pilot
"BOAT" Break Out Another Thousand
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Old 10-23-2012, 06:54 PM   #2
motion30's Avatar
Join Date: Jan 2010
Posts: 672
what is your gear ratio? What motor do you have?

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Old 10-23-2012, 10:48 PM   #3
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City: Western WA
Join Date: Oct 2007
Posts: 110
2008 North Pacific 36. From same hull mold as vintage CHB 34 from 1980’s.

Weight - 19,000 lbs (dry)

Fuel - 300 gal

Water - 150 gal

Prop size - 22.8” (580 mm), 4 blades 16” pitch (406 mm), RH, 40.7 lbs (18.5 kg)

Transmission - ZF 63A, Reduction 2.52 forward & 2.54 reverse

Engine - Yanmar 4LHA-HTP 160

Max speed through the water at WOT (3300 RPM) - 9.5 knots

Best economy - 1.7 GPH @ 2000 RPM making 6 knots through the water

Length at waterline (LwL) - 29.98’ (9.14 m)

Beam at waterline (BwL) - 10.49’ (3.2 m)

Length overall (LOA) - 33.03’ (10.07 m)

Hope you find this info useful.

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Old 10-24-2012, 09:07 PM   #4
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Join Date: Jan 2009
Posts: 899
This might give you some info. The Trawler Beach House: Marine Trader Review . Chuck
Beach House
Sea Trek
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