Classic SeaCraft Community  

Go Back   Classic SeaCraft Community > General Discussion > Performance
FAQ Community Calendar Today's Posts Search

Notices

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 07-30-2010, 10:25 PM
McGillicuddy McGillicuddy is offline
Senior Member
 
Join Date: Dec 2007
Location: 32.77 N, 117.01 W
Posts: 2,184
Default Comparative performance numbers

Wonder if there is any interest in a comparative performance numbers thread?
Just post your data...No responses. Ask each questions through pm...
Maybe something like this:

Year & Model
Motor yr Make Model HP
Prop Make, Model and material, Diameter and Pitch
Tabs or foil or not
Speed to stay on plane
Best cruise economy mpg/gph @ rpm w/mph
Speed rpm and mpg @ WOT
Personal hole shot satisfaction
Typical load no.riders, fuel, etc

Here's mine:

72 Seafari
83 Merc I-6 115 hp
Mercury Black Max (Al) 13.75" x15P
No tabs
16 mph to stay on plane
2.5 mpg @ 4200 rpm 28mph
1.9 mpg @ 5500 rpm 36 mph
excellent hole-shot
2 riders 40 gal., 22 gal. bait tank, tuna gear for 12 hr day.
__________________
there's no such thing as normal anymore...
Reply With Quote
  #2  
Old 07-31-2010, 08:07 AM
seacraft76 seacraft76 is offline
Junior Member
 
Join Date: Dec 2007
Location: miami fl.
Posts: 26
Default Re: Comparative performance numbers

1976 20 foot seacraft SF
1997 150 yamaha
14 x 19 yamaha prop
lenco trim tabs
not sure at what speed it stay's on plane
2.53 mpg at 44oo rpms
with 1 rider "Me" 47 gallons of fuel ran 47.2 miles
and used 18.6 gallons
excellant hole shot with out trimtabs with trim tabs it just jumps right up on plane
Reply With Quote
  #3  
Old 07-31-2010, 02:04 PM
Fr. Frank Fr. Frank is offline
Senior Member
 
Join Date: Oct 2003
Location: Shalimar, Florida
Posts: 2,265
Default Re: Comparative performance numbers

72 Seafari with '06 Mercury Optimax 90 hp
13"x21" 4B Trophy Plus prop
Cruise 25 mph, at 4000 rpms, WOT 33 mph at 5200 rpms
5.1 mpg @ 4000 rpms/25 mph
3.7 mpg @ 4700 rpms/30 mph
HydroShield skeg-mounted foil/propeller protector (see photo)
Time to fully plane off: 5 seconds
Minimum planing speed: 18 mph
Typical Load: 600 lbs persons (4 adults), 180 lbs fuel, 250 lbs gear (including 3 anchors and anchor rodes).

Old Apollo prop w/ HydroShield
__________________
Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.

Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!

Currently without a SeaCraft
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
Reply With Quote
  #4  
Old 07-31-2010, 11:15 PM
bridgeman bridgeman is offline
Senior Member
 
Join Date: Jul 2008
Posts: 122
Default Re: Comparative performance numbers

Just got back from Lake Erie this evening so and I took notice on what the old girl did

81 23' SF CC
Twin 81 225 black max's and a 95 9.9 merc
19P stainless merc stiletto's
Lenco 12x12 tabs (great)
20 knots is about minimum plane speed 2800 rpm's
3800 rpm's best cruise 28 knots near as I can tell 1.5 mpg
6000 rpm's wot (only have the stones to do it for a few seconds to date) hit 57 knots gps and until I get the floscans next spring I have no idea the gallons per minute.
Hole shot...good thing the leaning psot is secured well.
Typical load is about anything I want to haul on her, she'll haul 5 guys and gear just as easily as when I'm by myself. Only the 2nd season with her and the boat amazes me.
Reply With Quote
  #5  
Old 08-01-2010, 12:38 AM
MasterBaiter MasterBaiter is offline
Senior Member
 
Join Date: Sep 2008
Location: New Jersey
Posts: 229
Default Re: Comparative performance numbers

1976 23’ inboard
350-2V
Prop – unknown 3 blade
Lenco Tabs
17mph @ 2400 RPM to stay on plane
Usually run 2800/24mph @ 9.2gph
WOT 3800/32mph @ 16.4gph
Load: 2 adults, ½ tank fuel (50 gal?) Loaded for fishing
Reply With Quote
  #6  
Old 08-01-2010, 04:26 AM
floorboy floorboy is offline
Senior Member
 
Join Date: Apr 2010
Location: Sw Mn
Posts: 362
Default Re: Comparative performance numbers

79 sceptre
350 volvo 280 drive
wot 4700 rpm 36 mhp
to stay on plane, 12 mph with tabs,and one person 13-14 with 3
typical load, 3-4 adults, 4 downriggers, outriggers,planer mast, aluminum top, 80 gallons petrol.
Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 01:56 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2025, vBulletin Solutions, Inc.
All original content © 2003-2013 ClassicSeacraft