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Ghost Whisper 101/590/330 top speed?

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cwood
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Re: Ghost Whisper 101/590/330 top speed?

Postby cwood » Thu Mar 21, 2019 8:04 pm

Foil wrote:
Thu Mar 21, 2019 7:20 pm
To me it sounds like cavitation caused by grease or oils smeared on the lifting surfaces, even sweaty hands deposit enough body oils to cause cavitation,
avoid furniture polish which has oils in its formula,
these oils are sometimes invisible to the naked eye, but do cause the effect you describe,
wash all surfaces with a warm soapy cloth, not hand soap but simple washing up liquid which will dissolve any oily residue, then rinse with warm water and paper dry.
I do this each and every time I go foiling, it used to drive me mad before I found out what was causing it.
this....sounds like mast cavitation. Windex and a soft cloth does wonders.

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Re: Ghost Whisper 101/590/330 top speed?

Postby james » Thu Mar 21, 2019 8:10 pm

Ventilation

Cavitation in the true sense doesn’t happen till way over 50kts

My bet would be moving forward till you get a decent amount of front foot pressure to lean against

But try the mast clean first as it’s a good habit

cwood
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Re: Ghost Whisper 101/590/330 top speed?

Postby cwood » Thu Mar 21, 2019 8:12 pm

james wrote:
Thu Mar 21, 2019 8:10 pm
Ventilation

Cavitation in the true sense doesn’t happen till way over 50kts

My bet would be moving forward till you get a decent amount of front foot pressure to lean against

But try the mast clean first as it’s a good habit
I used the wrong term....yes, sucking air

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Re: Ghost Whisper 101/590/330 top speed?

Postby james » Thu Mar 21, 2019 10:45 pm

Lol no worries it’s litteraly the most misused word here in the foil groups. Haha!

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Re: Ghost Whisper 101/590/330 top speed?

Postby cwood » Thu Mar 21, 2019 10:52 pm

james wrote:
Thu Mar 21, 2019 10:45 pm
Lol no worries it’s litteraly the most misused word here in the foil groups. Haha!
Nobody is boiling water here

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Re: Ghost Whisper 101/590/330 top speed?

Postby twig » Thu Mar 21, 2019 11:32 pm

Hi,

But anyway, what is approximatley the top speed you can go with the 590?

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Re: Ghost Whisper 101/590/330 top speed?

Postby cwood » Thu Mar 21, 2019 11:55 pm

twig wrote:
Thu Mar 21, 2019 11:32 pm
Hi,

But anyway, what is approximatley the top speed you can go with the 590?
I would estimate 18-20 kts top end

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Re: Ghost Whisper 101/590/330 top speed?

Postby deniska » Fri Mar 22, 2019 2:48 am

cwood wrote:
Thu Mar 21, 2019 11:55 pm
twig wrote:
Thu Mar 21, 2019 11:32 pm
Hi,

But anyway, what is approximatley the top speed you can go with the 590?
I would estimate 18-20 kts top end
If this is true then it explains why the foil starts to go funky, I guess..
I thought the top speed would be closer to 30mph.

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Re: Ghost Whisper 101/590/330 top speed?

Postby ramin77 » Fri Mar 22, 2019 2:52 am

I ride the Moses Vorace 101 mast with a 590 front wing and 330 stabilizer. The 590 is very capable of going 22-25 mph. If it’s not stable in the 18-20mph range I would say something isn’t right. Have you sanded it?

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Re: Ghost Whisper 101/590/330 top speed?

Postby cwood » Fri Mar 22, 2019 3:04 am

ramin77 wrote:
Fri Mar 22, 2019 2:52 am
I ride the Moses Vorace 101 mast with a 590 front wing and 330 stabilizer. The 590 is very capable of going 22-25 mph. If it’s not stable in the 18-20mph range I would say something isn’t right. Have you sanded it?
I said 18- 20 kts which is exactly the range you are suggesting. Cleaning mast and wings properly makes a huge difference. Sanding is good but grease or variations in the finish caused by skin oils, sunscreen, general goo is bigger at speed in my opinion.


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