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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Tue Nov 03, 2009 12:27 am 
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Joined: Thu Jun 02, 2005 1:34 am
Posts: 437
Location: LA/Malibu :Rep (RRD)
Umm... I agree with Bill Hansen :)


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Sat Nov 21, 2009 10:30 am 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
new first place:

single skin, bridled, self-build nasawing NPW9b (van from powerkiteforum.com):

Code:
+----------------------------+------+-------+------+------+-------+----+
| Nasawing NPW9b (selfmade09)|  6.0 |  4.8  | 0.8* | 0.395| 0.082 |    |
+----------------------------+------+-------+------+------+-------+----+


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Sat Nov 21, 2009 12:42 pm 
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Very Frequent Poster
User avatar

Joined: Mon Feb 28, 2005 8:58 pm
Posts: 2704
Location: Tarifa / Got 2 Ovandos and a Ripper
Best light wind kite is the Ovando from EH ....for example : 9 m 11/12 knots / rider 73 kgs / board 135 x 42

If I would take a Door type of board I would most probably get going in 9 knots easily

Take that big brands !! :naughty:

Saludos


Franz

PS. YES, I´m pimping EH............so WHAT !!!!


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Sat Nov 21, 2009 7:15 pm 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
@panchito: could you weigh your Ovando.

@all: new kite:

Code:
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Charger 2010    | 19.0 | 13.3  | 0.7* | 4.1  | 0.308 |    |
+----------------------------+------+-------+------+------+-------+----+


weight has improved a little bit ( 200 g) from the synergy 19.


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Sat Nov 21, 2009 10:03 pm 
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User avatar

Joined: Wed Jun 25, 2003 8:04 pm
Posts: 712
Panchito,

The Ovando has awesome power per sq m, but is not an uber light wind kite imo. It is very heavily built, which is great for construction, but in uber light wind that doesn't help it. :wink: btw, I love my 7m, but found the 11m too heavy for really light winds.

Different topic really, power per sqare meter, vs light construction...both would be ideal. :thumb:

j

anyone weight the open cell blade kites? They did pretty darn good for their size even in really light winds. That 10.5m was a beast...I could ride in 9knots with a small twin tip at 190lbs, got scary in over 13knots though. :lol:


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Sun Nov 22, 2009 10:24 am 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
by the way, the selfmade nasawing is made out of 21 gramm per sqm ripstop nylon! now that i call a lightwind maschine :-)

regarding opencell kites on water: there is a very nice video of kitelehrling surfing with his ozone yakuza in virtually no wind:
http://www.youtube.com/watch?v=xc7mQhj5-hg

and an impressive 720° circle while in zero wind while just walking:

http://www.youtube.com/watch?v=3SvVc8L1_1I

this is light wind magic !


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Wed Nov 25, 2009 5:29 pm 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
new kite: peter lynn scorpion 16sqm, freshly unpacked, brand new. kite with sticks is 3.5 kg.

Code:
A    - area is in square meters [qm]
pA   - pojected area [qm]
pA/A - efficiency of area use
m    - mass is in [kg]
m/pA - mass per projected qm 
UR   - User Rating of lightwind performance from 0..10
+----------------------------+------+-------+------+------+-------+----+
| Kite                       |   A  |  pA   | pA/A | mass | m/pA  | UR |
+----------------------------+------+-------+------+------+-------+----+
| Nasawing NPW9b (selfmade09)|  6.0 |  4.8  | 0.8* | 0.395| 0.082 |    |
+----------------------------+------+-------+------+------+-------+----+
| Ozone ULTRALITE Paragl. 09 | 23.0 | 20.16 | 0.88 | 2.85 | 0.141 |    |
+----------------------------+------+-------+------+------+-------+----+
| Cooper Ultra Light         | 10.2 |  8.67*| 0.85 | 1.56 | 0.18  |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Speed III deluxe | 19.0 | 16.2  | 0.85 | 3.11 | 0.19  |    |
+----------------------------+------+-------+------+------+-------+----+
| PeterLynn C-Quad           |  8.5 |  7.2* | 0.85 | 1.40 | 0.194 |    |
+----------------------------+------+-------+------+------+-------+----+
| JOJO 28+                   |  2.0 |  1.7  | 0.85 | 0.35 | 0.194 |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Speed III deluxe | 15.0 | 12.8  | 0.85 | 2.70 | 0.21  |    |
+----------------------------+------+-------+------+------+-------+----+
| Ozone Yakuza GT            | 10.0 |  8.5* | 0.85*| 1.815| 0.214 |    |
+----------------------------+------+-------+------+------+-------+----+
| U-Turn Butan               |  6.5 |  5.84 | 0.90 | 1.255| 0.215 |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Outlaw           | 12.0 | 10.3  | 0.86 | 2.30 | 0.22  |    |
+----------------------------+------+-------+------+------+-------+----+
| Ozone Yakuza               |  6.0 |  5.1* | 0.85*| 1.17 | 0.229 |    |
+----------------------------+------+-------+------+------+-------+----+
| U-Turn Butan               |  3.5 |  3.14 | 0.90 | 0.775| 0.247 |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Pulse II         | 12.0 | 10.3  | 0.86 | 2.6  | 0.25  |    |
+----------------------------+------+-------+------+------+-------+----+
| PKD Buster II 2006         |  3.0 |  2.55*| 0.85 | 0.65 | 0.255 |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Speed III        | 19.0 | 16.2  | 0.85 | 4.53 | 0.28  |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Venom-1         | 19.0 | 13.7  | 0.72 | 3.90 | 0.28  |    |
+----------------------------+------+-------+------+------+-------+----+
| Gaastra Phoenix            | 25.0 | 17.5* | 0.7  | 5.21 | 0.298 |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Charger 2010    | 19.0 | 13.3  | 0.7* | 4.1  | 0.308 |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Scorpion 2007   | 16.0 | 11.2  | 0.7* | 3.50 | 0.31  |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Venom-1         | 13.0 |  9.1  | 0.70 | 2.85 | 0.31  |    |
+----------------------------+------+-------+------+------+-------+----+
| Flysurfer Speed III        | 12.0 | 10.2  | 0.85 | 3.18 | 0.31  |    |
+----------------------------+------+-------+------+------+-------+----+
| Ozone light XC 2009        | 14.0 |  9.8* | 0.7  | 3.1  | 0.316 |    |
+----------------------------+------+-------+------+------+-------+----+
| North Rhino                | 22.5 | 15.75*| 0.7  | 5.09 | 0.323 |    |
+----------------------------+------+-------+------+------+-------+----+
| Zeeko Notus LW 2010        | 14.0 | 10.2  | 0.73 | 3.40 | 0.34  |    |
+----------------------------+------+-------+------+------+-------+----+
| Wipika Hydro 7  2002*      |  9.5 |  7.0  | 0.74 | 2.40 | 0.34  |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Venom-1         |  8.0 |  5.5  | 0.69 | 1.95 | 0.34  |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Synergy         | 19.0 | 11.6  | 0.61 | 4.30 | 0.37  |    |
+----------------------------+------+-------+------+------+-------+----+
| Ozone Zyphyr 2009          | 17.0 | 12.7* | 0.7  | 5.0  | 0.39  |    |
+----------------------------+------+-------+------+------+-------+----+
| Fluidkites Torque2 2009    | 11.0 |  9.2* | 0.8  | 3.63 | 0.39  |    |
+----------------------------+------+-------+------+------+-------+----+
| Peter Lynn Scorpion 2007   |  7.0 |  4.7  | 0.67 | 1.90 | 0.40  |    |
+----------------------------+------+-------+------+------+-------+----+
| Monkey Griffin 2009        | 14.5 | 10.2* | 0.7  | 4.45 | 0.44  |    |
+----------------------------+------+-------+------+------+-------+----+
| Naish Helix 2009*          | 10.5 |  6.9  | 0.66 | 3.50 | 0.50  |    |
+----------------------------+------+-------+------+------+-------+----+
* some data not available, thus roughly estimated from contruction principle


Last edited by herculon on Fri Nov 27, 2009 2:27 pm, edited 1 time in total.

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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Wed Nov 25, 2009 5:55 pm 
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Rare Poster

Joined: Tue Jul 08, 2008 2:31 pm
Posts: 18
Zeeko Notus 14m LW:
Size: 14m
Projected area (from surplan): 9.94, in reality a little more, since the bridling is tuned from the surfplan file (to have a wider arc). Closer than10,2m
Weight: 3.4Kg, due to the lightest reinforcement, no one pump and 4 struts
m/pA: 0.34
Relaunching ability: 6 knots
Stable at the Zenith: 6knots

The m/pA ratio is a value, but some others induces on the performance in low end.
One of the best m/pA for tube kite.
Don't forget, larger is the kite and better is the m/pA due to a decrease of use for the dacron (the rate of dacron decrease for a bigger kite compare to a small one).


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Fri Nov 27, 2009 2:27 pm 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
@zee: thanks for the data!
i have added your kite to the list.


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 Post subject: Re: weight / projected area = onepossible light wind indicator
PostPosted: Mon Jan 11, 2010 2:11 pm 
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Medium Poster

Joined: Thu Sep 17, 2009 6:32 pm
Posts: 115
new kite for the list: pansh ace in 12 qm

Code:
+----------------------------+------+-------+------+------+-------+----+
| Kite                       |   A  |  pA   | pA/A | mass | m/pA  | UR |
+----------------------------+------+-------+------+------+-------+----+
| Pansh Ace 2009             | 12.0 | 10.2* | 0.85*| 2.12 | 0.208 |    |
+----------------------------+------+-------+------+------+-------+----+


complete list on the first page: viewtopic.php?f=1&t=2360753


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