Swan River Mob (WA, Australia) - 2009-09-28
Sailor 2 Second Peak (Kts)5 x 10 Second Average (Kts)1 Hour (Kts)Alpha Racing 500m (Kts)Nautical Mile (Kts)Distance Travelled (km)
Slowboat
43.309(D)
41.203(D)
11.225(D)
25.376(D)
0(D)
40.96(D)
Tim Stockton
39.41(D)
38.28 [PB](D)
10.4(D)
14(T)
20(D)
46(D)
25
Snides
Chris Adamson
Claude
Craig Mann
Recycle
Dan Engdahl
Whitey
Matthew Langer
JC
Stringer
Istaaack
Neil Daffen
Linds
Spock
Gav
Mick
SAM WILLIAMS
Lachy
Aiden
Average41.3639.7410.8119.6910.0043.48
Slowboat (41476km):
3965 days ago
3 categories

I had a goal to do 43kts on the 7.8m EVO II , and its DONE. Now I think this sail can do 45kts. I got a small gust at the end of the run and it just kept accellerating until the gust finished... Wind started 20-25, and dropped to 12-18 during the day. Wind angle was tight enough to sail straight back up to the launch area so hardly epic conditions. Tried a couple of alphas at the end in the dying wind. Surprised at the result.

NP 7.8m EVO II, CA SP44, CL 24A.



Tim Stockton (3894km):
3965 days ago

The day after huey rearanged the dunes. Was good to sail the pit on a more normal day and get a bit tuned in with the run. Glad to manage a pb for the trip.

gear rs6: 5.0, ca40 cl21A.  Yes. smaller gear than sunday. :O



Comments
Chris Adamson


WA
Australia
3965 days ago

Slowy, maybe you should have used the 7.8 on Sunday?

Good stuff Tim - glad you managed a PB! What gear were you on?

 

Pointman


WA
Australia
3965 days ago

Nice speeds there lads.  Well done on the PB Tim, impressed you went that quick on a 5.0.  I felt a bit underdone on the 6.6!

It was a different world compared to Sunday huh?

Elmo


WA
Australia
3964 days ago

Congrats on the PB TimCool

Mr Love


VIC
Australia
3964 days ago

Wow Chris , Impressive speed on that sail. I am also pretty impressed that the CA44 handles a 7.8 being that narrow especially in the tail. How big do you think you could sail with on the 53?

lao shi


WA
Australia
3964 days ago

Well done on the PB, Tim.

You beat slowy for Knots per metre! 7.88 vs 5.55.

Slowboat


WA
Australia
3964 days ago

yeah that was a fun day. To go fast in tight but limited windstrength conditions you need to get as much speed up as you can on the tight section (very powered up) before running out into the chop. You dont get much of a window since the apparent wind drops too much as you bear away and you level peg with efficiency limitations (feeling underpowered)... its harder when you run out of a gust, and it was quite gusty on Monday.

The trick- having a big efficient sail. The tricky part- hanging onto it when you are accellerating. On the tight sections the nose generally lifts a lot due to the high apparent wind strength, frontal to the board. Big sails help to stabilise that nose lift. I was also running the fin at its limit- its got a small surface area and its asymetric so the highest lift to drag requires some loading at speed. Big sails are good for that if they are efficient; you go faster into the gust/broad section, and keep accellerating to higher speeds before your apparent wind becomes too low provide enough lift to overcome the drag- and thats the speed limiter.

I discovered why I was hitting a wall on Sunday with those few good runs I had with Tim's sail and the SP44. My old faithful SP44 has finally succumbed to negative rocker. "Only" a mm. Also explains why it was so stuck down on the run on Monday. I had to move the mast track ALL the way back and then some. This is the worst thing that can happen to a board in terms of performance degradation, bar being snapped in half. Its more than a year old and I used it a lot. Just needs to be refaired. All foam sandwich boards go that way after a bit of use.

The SP53 is a good size for the 7.8m in "regular" conditions where the wind isnt as steady as SP. When the wind is steady I reckon I could even use the SP40 with the 7.8m at SP. That would be ridiculously fast I think.

Mr Love


VIC
Australia
3963 days ago

Thanks Chris, Totally explains why I got airborne on both my attempts on Sunday while I was accellerating just beyond the dunes still pretty tight. I was running my mast track in the same position as I run it on the 6.6 but with a 4.4. As soon as I put the hammer down she went light and took of, in almost exactly the same spot and speed both times. Pretty clear I need to run the track further forward on the small gear.

My reason for the question was that I have a bigger speed/slalom board design finished about to get built. 54.5 OAW and 33 tail, 84 liters. I was thinking 7.5 maybe 8.0 at a stretch being it's limit but I now reckon I could run a KaRace 8.4 on it at the PiT.

Seeya

Sammy the snail


WA
Australia
3963 days ago
nice one guys.. well done Tim on the PB!
evets


WA
Australia
3963 days ago

Congratulations on the PB Tim

 

Thanks for the explanations Chris, I did not realise that boards changed with timeEmbarassed

 

Steve Charles


TAS
Australia
3963 days ago

Impressive speed Chris with that size sail, well done.

Snides


WA
Australia
3963 days ago

nice work guys!

wish i could of made the trip maybe next time...

stuck in frankfurt at the moment after a truck ran in too my plane yesterday.....tossersYell

nebbian


WA
Australia
3963 days ago

Snides, that has to be the most unexpected comment I've ever seen on here Laughing

Slowboat


WA
Australia
3963 days ago

yeah its a bummer when that happens 'eh

Firiebob


WA
Australia
3963 days ago

"a truck ran in too my plane yesterday"  SurprisedYellLaughingLaughingLaughing

Sausage


QLD
Australia
3962 days ago

But a lot better than your plane flying into a truckWink

Warrior


North
Croatia
3962 days ago

excellent average, Tim

CONGRATZ Cool