09-18-2005, 09:45 AM #1
******Tailcone spacer update*****
Weather was cooler than normal so keep this in mind.
Boat still spins prop on the bottom, but not as bad as before.
Rpm's may have come down we really need a back to back test to verify.
Last time out I was 8100 in the heat and 70-71mph.
This time I was 8100 and temps were around 85, the water was around 82.
When I found smooth water I made 3-4 passes @ 72-73 MPH closer to 72 to be fair. The spacer definatly loads the motor more and does help. I belive I just need more prop work to get the boat right.
The spacer could act as a gear change of sorts, when you get the boat tunned and tepms drop a little add the spacer to load up some of those new ponnies.
I HOPE to have my hood next week and may work on changing it out.
If I do Jerry if you have time I could send you the spacer to try.
I went over to oil in mine and a quick change is not going to happen on my boat.
Also since these things are not super high $ when ordering get both the thick and thin to try.
09-18-2005, 10:36 AM #2
I made a .4 yesterday using carboard, a tape mold and jb weld putty. Then drilled the holes after it hardened. I got 6mmx 30mm torque screws from home depot.
Hopefully I can ride today and I'm going to do back to back tests.
Also going to switch out my plastic bushings to find the best degree I made a custom one with is about 88 instead of 89.5.
Also purchased a R&D 2.5 wedge instead of using the 3 degree I made.
09-18-2005, 10:53 AM #3
David, i would love to try it. Send to:
Life Saving Equipment
att: Jerry Gaddis
200 Grizzaffi St.
Morgan City, LA 70380
09-18-2005, 11:07 AM #4
I will get it off and have it to you before the weekend, unless you need to do it before then.
09-18-2005, 02:09 PM #5
Thats cool. Just send it whenever u r ready. I'll test it as soon as i get it.
09-18-2005, 05:32 PM #6
I did back to back testing with the stock cone and then a spacer I made which is .4 inch and angled the cone at 2.5 to match my wedge.
It gave me about .4-.5 mph. My rpm's slowed at 8000 then went up 50 in about 3 seconds then another couple seconds went up another 50.
Holeshot seemed about the same. Maybe a tad bit slower and every once in awhile seemed like it cavitated a bit.
Makes me wonder if the AAT is worth it...
but I think you could get another mph changing the stock one.
I have an extra stock cone that I'm going to use to play around with.
I think I might use the spacer and extend the nose a bit like the AAT.
The only thing I'm not sure of is if the spacer knocks me down 50-100 why don't I just repitch and get 1mph with a repitch and run around 8000rpm
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