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Perfect Pass 3 event version 9

GAJ0004GAJ0004 Posts: 1,094 Baller
I have version 9 of Perfect Pass Stargazer 3 event. Has anyone run into where it surges while pulling a skier in the course? I checked all the linkage tests and everything came out okay, and when running a timing check with no skier the numbers come out okay. I have been adusting the ball 1 background settings which is helping, but it will take me a few more times to dial it in. I have a 240 hp carbureted engine, and a 1:1 tranny. If anyone out there has run into the same thing, were you able to solve it, and how did you do it? Perfect pass has been very helpful, but I want to see if anyone else ran into the same thing. I want to get it dialed in so I can add zbox. Any idea if Zbox would solve it?
Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot


  • GAJ0004GAJ0004 Posts: 1,094 Baller
    The times are all in RC tolerance, but it surges from ball 2-3. Any thoughts?
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • WindsurfnutWindsurfnut Posts: 97 Baller
    The manual suggests that a Kx setting of + or ++ may be needed on carbed motors and 1:1.
    Do you come in hot to the course? On one end of our course we have a 90 degree turn in and the boat accelerates to maintain speed, comes in hot, tries to slow down by ball one, then is too slow so accelerates at ball 2.
    Coming straight into the course I don’t have that issue at the other end.
  • UWSkierUWSkier Posts: 1,174 Mega Baller
    does it do it in both directions? You can adjust ball-to-ball times/intensities for the four different skier weight pre-sets. Should be able to get it dialed in that way if you're sure the linkage and return spring are working properly.
  • skiboynyskiboyny Posts: 213 Baller
    edited July 17
    I have been involved in three boats that have had this problem. They are all running great. The key is the background settings. You need to focus on ball times. I was told by a forum member @DanE that ball one adjust 2 ball time ball 3 adjust 4 ball time and so on. That’s really what it took to get it right. You will find that 2 ball time is slow and to fix it you will have to raise ball one background a lot. Maybe to 20 if memory serves. I’m pretty sure than 3 adjust will have to go down to make 4 ball right. The smother the skier the better for your adjustments and don’t be afraid to move them. it can seem like a moving target. 20 15 19 are some numbers you can try on normal background settings. They should get you close.
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    Thank guys. It sounds like I am on the right track. The adjustments I have made so far are helping, but has not eliminated it yet, but it has improved.
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    They told me at Perfect Pass the kx would not affect the times, just the firmness of the pull. My boat already feels pretty solid.
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • DWDW Posts: 2,010 Mega Baller
    @GAJ0004 : PP tends to like a stiff throttle return spring and make sure your not throttling right where the secondaries open, PP suggests disconnecting them to verify. Just some food for thought in addition to dialing the settings.
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    I put a new return spring in it last year. I may try tightening it up a bit.
    I had the original version of Stargazer before the module blew after 10 seasons. I originally had it take off from ball 3 to the end of the course. I just added an extra 50-100 pounds to the crew weight setting which fixed it. On the new version it surges between 2-3 ball only. The rest of the course it feels normal. The numbers on the background settings go all the way up to 100. Perfect Pass tech support told me to turn up the ball one setting. I just don't know by how much yet.
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • hemlockhemlock Posts: 146 Baller
    @skiboyny is spot on.
    Background settings are key.
    I run 15-20-15 for 55kph (34.2 mph) on normal skier.
    I did an experiment this summer as my ball times were always +.01 or +.04. In that range.
    (But always within tolerance with overall time of 16.86 to 17.04 at 55Kph)
    Bumped up the background settings by 50 points on each of the three settings. B1, B3 and B4 to exit. After that, everything was -.01 or -.04.
    So finally came up with B1=15, B3=20, B4Exit=15.
    Ball times are very close to 0.00 give or take 0.01.
    These trials will need to be of course adjusted with a skier running the course.
    What really fixed the middle course surges was lowering the B3 setting. I think the default was up around 50 and lowering it dramatically fixed the surge problem.

    I *think* you push the on/off button and up key together to get to the background settings. Also, if you have a short setup, version 9.12 or higher (different from previous 9.0x versions) has really improved the engagement after pulling up a skier. It's very similar to a zero off boat where it keeps the RPM's up as you plain and gain speed, and then backs off the gas for you once the speed is locked in.
  • UWSkierUWSkier Posts: 1,174 Mega Baller
    Yep, and once you get it dialed for the normal size skier, you get to do it again for the featherweights and the clydesdales. :)
  • Keith MenardKeith Menard Posts: 546 Crazy Baller
    On mine, my 34 and 36 is spot on, but 32, 30, and 28 are fast. Can the background be adjusted by speed?
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    @hemlock I am going to try raising the ball one setting, and lowering the ball 3 setting slightly. Keith, you can adjust the backgrounds within each speed, once you get to the speed then you go into the skier weight sections.
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • WindsurfnutWindsurfnut Posts: 97 Baller
    @hemlock what boat / engine did you end up with those ball settings?
  • escmanazeescmanaze Posts: 703 ★★★Triple Panda Award Recipient ★★★
    Ha ha ha!!! Welcome to the club GAJ0004. I have the same problem. I haven't fixed it yet, but haven't put tons of work into fixing it yet either. Hopefully some day soon. In the meantime, I'll be following this thread for additional learning.
  • Mike GileMike Gile Posts: 311 Crazy Baller
    You may want to try a control test if you haven't. I had all kinds of trouble with mine. Spent time on the phone with the guys from PP and we determined that it may be a ground issue.

    They had me run a new ground wire to the block and it solved all issues.
  • Mike GileMike Gile Posts: 311 Crazy Baller
    There is a link to the control test at under troubleshooting videos
  • hemlockhemlock Posts: 146 Baller
    2003 Sunsetter LXI, indmar 335 monsoon.
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    I set up the background settings on 20 15 and 19. It stopped the surging, but the times were slow. On one pass at 34 mph I got a total time of 17.02.
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • hemlockhemlock Posts: 146 Baller
    Check individual ball times.
    (push menu to highlight the overall time, then push up or down, I think)
    Adjust the background settings accordingly.
  • skiboynyskiboyny Posts: 213 Baller
    edited July 20
    Just the down arrow for the ball times. If it's running slow there must be a deviation in the ball times see where it is and adjust it out. Remember to look at ball 2 ball 4 to use ball 1 and ball 3 adjustments. Be sure to look at smooth ski runs when you dialing it in. It takes a while to get it just right but it can be done. The ball times should be no more than one or two thouthands off on each ball.
  • GAJ0004GAJ0004 Posts: 1,094 Baller
    @hemlock, do you remember the numbers you entered when you got the times that were -.01 to -.04? On my boat the 15 20 15 or the 20 15 19 stopped the surging but my times were slow, but still within tolerance.. Almost have it I think..
    Gary Janzig Streetsboro Ohio, skis at Lake Latonka, Mercer Pennsylvania slalom,trick,kneeboard,barefoot
  • hemlockhemlock Posts: 146 Baller
    I think I remember bumping up the B1 and B4toExit times to somewhere around 50.
    I really wanted to see if there would be a difference.
    You could try bumping up by 5 after each pass and go from there?
  • WindsurfnutWindsurfnut Posts: 97 Baller
    I’d love to see any SN 196 with gt40 configurations if anyone has them.
    Been struggling to get good times as well.
    Turned the zbox setting up to 12 from 8 and finally got some throttle up response.
  • KillerKiller Posts: 391 ★★★★Quad Panda Award Recipient ★★★★
    @Windsurfnut I have the same boat. Tsc1? Ver 9+ zbox?.

    I played with a bunch of settings. Went back to factory and run kx- on the featherweight setting (I'm 185). 16.97-98 at 34.2 and my ski bud skis 30.4 where its also .02-.03 slow each pass as well. We both seem to Prefer Feather to either light or normal.

    I have crew weight at 200 I think. Never change it. I might go back and try kx + and ++ to see how things differ.

    It's a Bit hot coming into 1 for me at 34.2 then it settles in, but that could be my driver not feathering the throttle at the start, at 30.4, when I drive it seems good and each ball is +/- 2thou and around 31-31.5 coming into the gates at 30.4. Good enough for practice. My course is an old floater though so we know it's not close to RC and it's harder skiing my boat/course than an RC with newer ZO boats. Could also be my driver has only driven me & only me in a course for a few years, sparingly.

    One thing to try is adjust the baseline settings for each weight more drastically and move the weight setting after each pass as it's easier for the driver to change the weight setting than go into the background. I don't believe there is any other difference between the weight settings than the actual values,but I could be wrong?. EG if you have each weight setting at the same values you'll have exactly the same pull. I tried this.

    I've not played much with zbox values. I notice less difference from A1 to C1 on my boat than the newer ZO boats fwiw.
  • BCMBCM Posts: 183 Baller
    Check and double check your baseline calibration. I found that if my baseline was off no amount of ball setting adjustments would make it right. Also, double check the inverted/regular tach mode. I ran inverted prior to upgrading to the newer software. Worked great before, but not after. I wound up going to regular tach mode and it nearly eliminated the surging.

    One issue I have had is people driving it like the old PP, mine settles in really quickly. The old setup had to be feathered, on a shorter setup drivers are trying to feather it and coming in slow as they are not engaging until at or just after the 55's. Once I asked them to drive like they drive ZO some of the surging was reduced.

    I would recommend skiing behind a ZO boat (if you can) before you mess with the zbox values. I thought mine must be low because it didn't sound like ZO, turns out the ZO boats I am used to are really loud and mine is quit, at the factory setting my zbox is giving a much harder pull than the ZO boats I have been skiing behind, it doesn't sound like it, but everyone who skis behind it agrees.

    I had great luck snapping some pictures of bouy times and settings and sending them to PP, they were able to help me get things dialed in pretty well.
  • alex38alex38 Posts: 477 Baller
    This is a great thread, I hope @GAJ0004 and everyone else gets dialed.

    Not to hijack but maybe it’s time to find some favorable settings for specific boat and engine set ups? Maybe the feedback can help PP with their next upgrade? I feel like they are close and would love to see them close the gap with mechanical throttles so we don’t have to get new boats (either ZO or DBW)

    I have 02 SN CB small engine pro sport 5.0 275 HP SG version 9.12

    I feel like the best rides were when I put the upgrade in and just ran it out of the box, this was with experienced driver
    I think it is still driver dependent to a degree with my boat.

    I have tried the spring, resetting, and BG setting adjustments.
    These pics show a pass at 28 off as smooth as I can hit it (was very smooth) times and the settings for that pass
    I may try Zbox cuz overall I love my boat and I may reset, recal, and remap (always a good time) and start from the beginning again!

  • BraceMakerBraceMaker Posts: 3,698 Mega Baller
    @alex38 what's your battery voltage and gauge display voltage on PP
  • alex38alex38 Posts: 477 Baller
  • WindsurfnutWindsurfnut Posts: 97 Baller
    @alex38 I think that’s a great idea to get a database going with dialed in boats and their settings.
  • skiboynyskiboyny Posts: 213 Baller
    edited July 28
    You need to continue raising ball one. Your close on 3 ball time. You get your ball times right your overall will be right. Also make sure your baselines and typical crew weight is right. Adding Crew weight or skier weight adds RPM. The whole process can be counter intuitive to say the least. Ball times are the most important to getting the thing to feel right. Feather setting is always a bit better out of the box But there is still a hit at 2 ball look at the ball times and you will see it. It's dangerous really.
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