Bertram 31 Performance Database (Responses)

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1	Timestamp	Boat Name, B31 Forums Username	Boat Year	Model	Engines	Transmission Ratio (Ex 1.5:1)	Propeller Size ex (PitchxDiameter, 18"x19")	Cruising Speed, Knots, Engine RPM	Top Speed, Knots, Engine RPM	Fuel Burn, total, cruising speed nm/gal	Boat Weight	Hardtop/Enclosure/Tower?

2	7/9/2021 10:18:25	Trace Elements	1975	Flybridge Cruiser	Gasoline 454ci	1.5/1	18X19	20 knots, 2800 RPM	30 knots, 4200 RPM	0.9 nm/g	11,000lbs	Yes
3	7/9/2021 12:01:16	Phoenix	1973	Flybridge Cruiser	Cummins 5.9 315/330 HP	1.5/1	custom	29-30-----2350	35 ------2950	1.8 mpg	12,500	Yes
4	7/9/2021 17:36:11	Vineyard Time II	1980	Flybridge Cruiser	Cummins 5.9 250/270 HP	1.5/1	22x20	24 / 2350	29 / 2600			Yes
5	7/12/2021 15:47:22	DIZSEA	1966	Bahai Mar	Cummins 5.9 370/380 HP	1.5/1	21" x 24"	30 Knots - 3000 rpms	37 knots 3600	?	12,500	Yes
6	7/12/2021 19:05:40	Bahia Moon	1967	Bahai Mar	Cummins 5.9 250/270 HP	1.5/1		23-24, 2250	27.5	16 gph, 23 knots,.1.4 nmpg	14,000	Yes
7	7/15/2021 17:54:19	Amphitrite	1977	Flybridge Cruiser	Yanmar 240 HP	2:1	20x20	22	27	20 gph	12000	Yes
8	7/19/2021 14:08:17	Water-Lou, Pschauss	1978	Sportfish	Gasoline 454ci	1.5/1	18x18	233,000	26, 3800	0.9	10,000 lb	No
9	7/20/2021 6:49:23	The Boat Carl	1962	Express	Cummins 5.9 210HP	1.5/1	20 x 21	20knots 2300 RPM	25 knots 2650rpm		14000	Yes
10	7/20/2021 8:37:08	John F.	1977	Flybridge Cruiser	Detroit Diesel 8.2	1.5/1		23 knots at 2200 rpm	31 knots at 3150 rpm			No
11	7/20/2021 11:53:22	BustedFlush	1968	Sportfish	Cat 3126	1.5/1	20x28	25 knts at 2200 rpm	35 kts at 2850 rpm	1 gallon per mile	18000 lbs	Yes
12	7/20/2021 12:46:20	Duck	1972	Sportfish	Gasoline 454ci	?		22 knots RPM 2900	25 knots. 3300 rpm		10000 ?	Yes
13	7/20/2021 18:21:37	Gypsy Dorothy	1972	Flybridge Cruiser	Volvo Penta 198 HP	2:1	18x19	23 kts at 3400 rpm	27 kts @ 3800 rpm	17 gph	13000 lbs	No
14	7/20/2021 19:41:59	ICTHYS	1980	Flybridge Cruiser	Gasoline 454ci	1.5/1	18x19	24 @ 2800	38 @. 4300	18 gph @. 24 kts and		Yes
15	7/20/2021 23:07:42	Five Angels	1968/2010	Bahai Mar	Yanmar 315 HP	1.5/1	19X21	26 knots 3400 rpm	32 knots 4200 RPM	1.6 NM/GAL	16400	Yes
16	7/21/2021 18:12:01	Two Dogs	1978	Flybridge Cruiser	Cummins 5.9 370/380 HP	1.5/1	20x24	29knts 2600	34-35knts 3050		12000+/-	Yes
17	7/21/2021 22:59:00	Ellie M, Tony Meola	1975	Flybridge Cruiser	Cummins 5.9 250/270 HP	1.5/1	20x23	23 Knots / 2200	29.5 knots 2650	15 gals	12,000	No
18	7/22/2021 13:25:14	Five Angels **CORRECT RATIO AND PROP	1968/2010	Bahai Mar	Yanmar 315 HP	2:1	19x23
19	7/24/2021 15:41:58		1978	Flybridge Cruiser	300 HP Cummins	1.25	19/21	30. Knots 2600	34 Knots 2800	24 Gal 25 knots 1nm/ gal	10000	Yes
20	7/25/2021 19:49:46	Chauncey	1972	Flybridge Cruiser	Cummins 5.9 315/330 HP	1.5/1	4 blade nibral	25 knots @ 2300	33 knots @ 2850		13000	Yes
21	7/27/2021 9:18:38	Reely Hirce’n It!	1979	Sportfish	Cummins 5.9 270	1.5/1	20 22	22 knots 2,200 RPM	24 Knots 2,400 RPM	1.5	11,500	Yes
22	7/30/2021 17:53:13	Ccroke13	1970	Bahai Mar	Perkins T6.354 @ 185hp	2:1	18”x23” nibral	16kts @ 2500 rpm	21kts @ 2800 rpm	8 gallons an hour at cruise		Yes
23	8/7/2021 20:30:02	Secret Plan, Pete252	1978	Sportfish	Cat 3208	1.5/1	19x21	22 knots 2200 rpm	29 knots, 2800 rpm	1.5	13000	Yes
24	8/19/2021 7:13:00			Flybridge Cruiser	Yanmar 315 HP	2:1	20/22 4 blade	22 knots 3,000 rpm turbos kick in at 3200 rpm	30 knots 3950 rpm	???	Very heavy but weight distributed evenly front to back @ side to side	Yes
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