Offshoreonly.com - 36 Skater 1.24 or 1.35 Gears

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It is great at that Lake especially late Sept and all of Oct. I meant to come over and say hi when I saw your boat in front of the hotel one day. For sure we will meet next time out there. Wow 588's should be nice. Who is building them? Skater's are nice but V huls are great as well. I have had several including a 37 OL with big Power and a 38' Formula Fasteck which was the best all around fun boat i have owned (except the 21 Malibu just because it is so turn key and we can ski behind it.)

Quote:

Originally Posted by bripar77 (Post 2729289)

Sounds like you've had a fair share of V hulls! Interesting you liked the Formula over the OL.
Regarding the 588s, I usually build other peoples as a hobby (addiction) but I'm finally building my own personals this winter:evilb:
There will also be 4 others including a pair of 540s with the new 4.0 EFI Whipples from Dustin. These will be going in a Slingshot :drink:

I have the most patient wife on the planet :D

Unfortunately we are done for the year and the snow will be flying soon. Hopefully we'll have everbody's done so we can make Desert Storm!

Dave

Brien, Only about 20 hours this summer, windy and rainy on weekends. Size for size Herings calculate about 1 "pitch size less the the old Merc props. My boat runs about 136 with the same load you had (5 and 3/4 fuel)@ 5800, 1.24 with 1" spacer, Herring 16.5 x 35- 6 blades. Light load, same props, 145 @ 6150. My horsepower is about 940 @ 6000 w/out mufflers. I have gutted HPI's with CMI sport tubes, which cost me some horsepower. I haven't tried w/o mufflers, since no one were I boat is faster anyway. Running conditions were: 850 ft, 75-80 degrees.

Oh, I trim it level with the hull now. The 6 blades lift the stern more than the 5 blades, With 5's I would run slightly negative trim. Testing these is a little tough, there so fast, and you need all the right conditions!

John B

Quote:

Originally Posted by bripar77 (Post 2726990)

Gatorone only what the Dyno sheets show for the one motor we took out and Dynoed 6 months ago.

1022 HP at 5900 RPM ( 996 HP at 6100 RPM)
978 Ft Lbs at 4600 RPM ( 861 Ft Lbs at 6100)

Air Temp 76 , 29.9 inches Barometric 700' elevation

Last weekend runs at 131 was air temp 87 1300 elevation, dry air (Lake Mead near Vegas) I know we loose HP on that lake.

So who knows for sure what's going on when I'm on the lake.

This 131 speed could have gone up with more time at that RPM (Ie let it run out farther but not much) and I did have a little throttle left.

I am going to send out the Props and have then scanned to tell us exactly what we have (they came with my 32 Skater I had before but they where used back then) ie: not exactly sure what they are as far as Cup and rake and are not labbed as far as i know.

Sounds like it takes a long time for the torque to come in - that is why you need the 1.58 gear and not getting big speed on the top end. My advice (worth what you are paying for it) look at a different cam profile, try to get at least 900 lb ft around 3,500 RPM, then stick to the 1.35 gear, if you spin it up to low 6K RPM you should be running low 150's and still have monster acceleration. Torque should start to drop off after 6K RPM with the right profile - small diameter prop's, target 6200-6400 max RPM and prop speed will still make more max top end even of the torque falls off provided the hull is properly air packed. Keep the 1" spacer, try it with and without.

Gregg Reichman

Quote:

Originally Posted by bidpro (Post 2731114)

Hit the nail on the head Gregg:ernaehrung004: