News from HangGliding.org
Hang gliding Videos :: RE: New Magnetic Camera Mount
Author: Cool Breeze
Posted: Mon Feb 06, 2012 8:58 am (GMT -8)
I see a problem with that design if it come loose. I Imagine the surface area of that sign would produce some serious oscilations, that could damage your sail... or worse.
Where would you tether it to, and how do you expect it to behave at flight speeds when its detached and held on by the tether? I guess the worse case(and most likely scenario) would be for it to detach at your maximum flight speed.
Posted: Mon Feb 06, 2012 8:58 am (GMT -8)
I see a problem with that design if it come loose. I Imagine the surface area of that sign would produce some serious oscilations, that could damage your sail... or worse.
Where would you tether it to, and how do you expect it to behave at flight speeds when its detached and held on by the tether? I guess the worse case(and most likely scenario) would be for it to detach at your maximum flight speed.
The camp fire :: RE: shit that makes you smile
Author: Windlord
Posted: Mon Feb 06, 2012 8:46 am (GMT -8)
That's too cool. Bet that made her night.
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Torrey Hawks #208
Posted: Mon Feb 06, 2012 8:46 am (GMT -8)
That's too cool. Bet that made her night.
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Torrey Hawks #208
Hang gliding Videos :: RE: 1st flight out of school (with crap top landing)
Author: psuguru
Posted: Mon Feb 06, 2012 8:46 am (GMT -8)
ChattaroyMan wrote: vapula01 wrote: It's a pub. Which effectively makes it one of our clubhouses!
What! A pub @ top - where you can land back on top!?!? What are the immigration policies for Yanks? If the Mrs. & I ever go overseas again I know where we're headed!
And a carpark right next to the rigging area. That's why it's just about the busiest site in the UK.
Devil's Dyke just North of Brighton. Many PG schools and an HG school nearby.
_________________
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Posted: Mon Feb 06, 2012 8:46 am (GMT -8)
ChattaroyMan wrote: vapula01 wrote: It's a pub. Which effectively makes it one of our clubhouses!
What! A pub @ top - where you can land back on top!?!? What are the immigration policies for Yanks? If the Mrs. & I ever go overseas again I know where we're headed!
And a carpark right next to the rigging area. That's why it's just about the busiest site in the UK.
Devil's Dyke just North of Brighton. Many PG schools and an HG school nearby.
_________________
"We should all have our heads examined"
"That's Rule Number 4"
CP Hill, CP Tow. Moyes Malibu 188.
Hang gliding Videos :: RE: This video special made for Ryan Voight
Author: Wes
Posted: Mon Feb 06, 2012 8:44 am (GMT -8)
Ryan, Cal, And Shadd. It has come to my attention that you all suck . Im just saying. If I were in America right now I would have grounds fro cruel and unusual punishment t. Be safe you guys, Im so jealous
Posted: Mon Feb 06, 2012 8:44 am (GMT -8)
Ryan, Cal, And Shadd. It has come to my attention that you all suck . Im just saying. If I were in America right now I would have grounds fro cruel and unusual punishment t. Be safe you guys, Im so jealous
Hang gliding general :: RE: bad landing,please help!
Author: IdeFly
Posted: Mon Feb 06, 2012 8:37 am (GMT -8)
Maybe you're just not cut out for this flying stuff.
Not everybody has what it takes, you know.
Posted: Mon Feb 06, 2012 8:37 am (GMT -8)
Maybe you're just not cut out for this flying stuff.
Not everybody has what it takes, you know.
Way Off Topic :: RE: Tanks for you
Author: psuguru
Posted: Mon Feb 06, 2012 8:28 am (GMT -8)
The Occupy Wall Street protestors better watch out!
_________________
"We should all have our heads examined"
"That's Rule Number 4"
CP Hill, CP Tow. Moyes Malibu 188.
Posted: Mon Feb 06, 2012 8:28 am (GMT -8)
The Occupy Wall Street protestors better watch out!
_________________
"We should all have our heads examined"
"That's Rule Number 4"
CP Hill, CP Tow. Moyes Malibu 188.
Hang gliding general :: RE: bad landing,please help!
Author: noman3
Posted: Mon Feb 06, 2012 8:26 am (GMT -8)
Oh i have bad landings,daydreamer never puts the footage on here.Stupid glenn!
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Posted: Mon Feb 06, 2012 8:26 am (GMT -8)
Oh i have bad landings,daydreamer never puts the footage on here.Stupid glenn!
_________________
delete me off this site sg
Hang gliding general :: RE: LA Times Front Page
Author: jjcote
Posted: Mon Feb 06, 2012 8:26 am (GMT -8)
AIRTHUG wrote: You slow down for a better sink rate when flying downwind BECAUSE?
Because it decreases your sink rate. It never helps to slow down to less then min sink (except, arguably, if you have lift).
Quote: Because more time spent with a tailwind helping you is more efficient. If you could get 10:1 and have a tailwind for 5 mins, or get 10:1 and have that same tailwind for 10 minutes, which would you prefer?
You have to be careful as to whether you think about it in terms of time or distance. The slower wing will have the tailwind for longer, but will also spend more time sinking, if both need to cover the same distance. Would you rather get 10:1 and spend 5 mins losing altitude, or 10:1 and spend 10 mins losing altitude?
However, prior to taking the slowing-down into account, the numbers say that the slower wing will in fact fare better. Consider two wings that both get 10:1 at best glide, but one does it at 30 mph, the other at 20 mph. In no wind, they both reach a destination 10 miles away after a loss of 5280 feet, the faster wing in 20 minutes and the slower one in 30. What happens if there's a 10 mph tailwind, and neither one adjusts its speed? The faster one gets there in 15 minutes, and because the sink rate is unchanged, it loses 3960 feet. The slower wing takes 20 minutes, and loses only 3520 feet. The effective L/D values are then 13.3:1 and 15:1 (a 12.5% advantage for the slower wing). So the main effect is that having the best glide speed be at a lower speed means that the sink rate is necessarily lower, and when you add in a tailwind, the speed of the glider matters less and less (if the wind speed were much higher than the speed of the gliders, the speed of the gliders would be almost irrelevant), and sink rate becomes the dominant factor. That's the real advantage. In an extreme case, something that sinks very slowly but also moves very slowly (but still gets 10:1) will come out highest at the end of 10 miles with a tailwind, when it finally arrives after 60 minutes. However, it can only go downwind.
This is before the gliders slow down to take advantage of the tailwinds. Exactly what effect that will have depends on the specific shapes of the polars. This also ignores the advantages of getting where you're going sooner, enabling you to take advantage of transient conditions.
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Posted: Mon Feb 06, 2012 8:26 am (GMT -8)
AIRTHUG wrote: You slow down for a better sink rate when flying downwind BECAUSE?
Because it decreases your sink rate. It never helps to slow down to less then min sink (except, arguably, if you have lift).
Quote: Because more time spent with a tailwind helping you is more efficient. If you could get 10:1 and have a tailwind for 5 mins, or get 10:1 and have that same tailwind for 10 minutes, which would you prefer?
You have to be careful as to whether you think about it in terms of time or distance. The slower wing will have the tailwind for longer, but will also spend more time sinking, if both need to cover the same distance. Would you rather get 10:1 and spend 5 mins losing altitude, or 10:1 and spend 10 mins losing altitude?
However, prior to taking the slowing-down into account, the numbers say that the slower wing will in fact fare better. Consider two wings that both get 10:1 at best glide, but one does it at 30 mph, the other at 20 mph. In no wind, they both reach a destination 10 miles away after a loss of 5280 feet, the faster wing in 20 minutes and the slower one in 30. What happens if there's a 10 mph tailwind, and neither one adjusts its speed? The faster one gets there in 15 minutes, and because the sink rate is unchanged, it loses 3960 feet. The slower wing takes 20 minutes, and loses only 3520 feet. The effective L/D values are then 13.3:1 and 15:1 (a 12.5% advantage for the slower wing). So the main effect is that having the best glide speed be at a lower speed means that the sink rate is necessarily lower, and when you add in a tailwind, the speed of the glider matters less and less (if the wind speed were much higher than the speed of the gliders, the speed of the gliders would be almost irrelevant), and sink rate becomes the dominant factor. That's the real advantage. In an extreme case, something that sinks very slowly but also moves very slowly (but still gets 10:1) will come out highest at the end of 10 miles with a tailwind, when it finally arrives after 60 minutes. However, it can only go downwind.
This is before the gliders slow down to take advantage of the tailwinds. Exactly what effect that will have depends on the specific shapes of the polars. This also ignores the advantages of getting where you're going sooner, enabling you to take advantage of transient conditions.
_________________
H4 + various skills (only foot-launch so far)
WW UltraSport 147, WW Falcon2 170, PacAir Vision Mark IV 17
My HG wiki profile and my flying blog
Hang gliding Videos :: dynamic soaring on a hangglider
Author: noman3
Subject: dynamic soaring on a hangglider
Posted: Mon Feb 06, 2012 8:22 am (GMT -8)
dynamic soaring on a hangglider,is it possible.I tried to do some yesterday and it seems possible.Thanks daydreamer for catching the whole day on film again.
Link
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Subject: dynamic soaring on a hangglider
Posted: Mon Feb 06, 2012 8:22 am (GMT -8)
dynamic soaring on a hangglider,is it possible.I tried to do some yesterday and it seems possible.Thanks daydreamer for catching the whole day on film again.
Link
_________________
delete me off this site sg
Flying Stories + Flight Reports :: RE: Dunge bottom by John Clarck
Author: psuguru
Posted: Mon Feb 06, 2012 8:22 am (GMT -8)
There was a one-legged pilot in my flying club.
Apart from being a DOG* he was a bit of a card in the air. Apparently, one day, flying to Amsterdam in G-BOTF that was owned by an ex-Lancaster pilot, when in the right hand seat, Lance unstrapped his false leg and laid about the pilot with it.
BOTF had its wing-spar broken due to the Lancaster-style landings. I flew it just one day after it had returned to fleet, shortly after it had been flown by Lance.
Over the English Channel, hubby said, "They didn't do a good job fixing that wing" , watching a skin rivet rattle in the airflow.
After the greasiest of greasy landings, I was horrified to find the wing spar on the other wing cracked through!
* Dirty Old Goat
_________________
"We should all have our heads examined"
"That's Rule Number 4"
CP Hill, CP Tow. Moyes Malibu 188.
Posted: Mon Feb 06, 2012 8:22 am (GMT -8)
There was a one-legged pilot in my flying club.
Apart from being a DOG* he was a bit of a card in the air. Apparently, one day, flying to Amsterdam in G-BOTF that was owned by an ex-Lancaster pilot, when in the right hand seat, Lance unstrapped his false leg and laid about the pilot with it.
BOTF had its wing-spar broken due to the Lancaster-style landings. I flew it just one day after it had returned to fleet, shortly after it had been flown by Lance.
Over the English Channel, hubby said, "They didn't do a good job fixing that wing" , watching a skin rivet rattle in the airflow.
After the greasiest of greasy landings, I was horrified to find the wing spar on the other wing cracked through!
* Dirty Old Goat
_________________
"We should all have our heads examined"
"That's Rule Number 4"
CP Hill, CP Tow. Moyes Malibu 188.
Hang gliding general :: RE: Aero-tow cart/dolly info???
Author: blindrodie
Posted: Mon Feb 06, 2012 8:21 am (GMT -8)
Quote: I saw a "T" dolly somewhere on the net made of steel I think.
Yes you did. It was a Johnny Pop T Dolly.
We modified ours to be 80% aluminum and added a more articulating tail so that it would accommodate SS to rigid. Worked out very well for us...
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Torrey Hawk #212
Posted: Mon Feb 06, 2012 8:21 am (GMT -8)
Quote: I saw a "T" dolly somewhere on the net made of steel I think.
Yes you did. It was a Johnny Pop T Dolly.
We modified ours to be 80% aluminum and added a more articulating tail so that it would accommodate SS to rigid. Worked out very well for us...
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Q&A, Learning to hang glide :: RE: Got my H1 Friday!
Author: simeon
Posted: Mon Feb 06, 2012 8:19 am (GMT -8)
Terry! Bro - i didn't even notice you posted video here. That's awesome - thanks for putting in the time for me - I really appreciate getting another point of view on my flights! I totally owe you drive time
Posted: Mon Feb 06, 2012 8:19 am (GMT -8)
Terry! Bro - i didn't even notice you posted video here. That's awesome - thanks for putting in the time for me - I really appreciate getting another point of view on my flights! I totally owe you drive time
Hang gliding general :: RE: soarable 320 days a year.
Author: blindrodie
Posted: Mon Feb 06, 2012 8:17 am (GMT -8)
Great shots on the ground!
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Torrey Hawk #212
Posted: Mon Feb 06, 2012 8:17 am (GMT -8)
Great shots on the ground!
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The camp fire :: RE: shit that makes you smile
Author: blindrodie
Posted: Mon Feb 06, 2012 8:14 am (GMT -8)
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Torrey Hawk #212
Posted: Mon Feb 06, 2012 8:14 am (GMT -8)
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Hang gliding general :: soarable 320 days a year.
Author: noman3
Subject: soarable 320 days a year.
Posted: Mon Feb 06, 2012 8:12 am (GMT -8)
When you cant fly in the winter,at your own site,come here.
http://vimeo.com/36266607
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Subject: soarable 320 days a year.
Posted: Mon Feb 06, 2012 8:12 am (GMT -8)
When you cant fly in the winter,at your own site,come here.
http://vimeo.com/36266607
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delete me off this site sg
Hang gliding general :: RE: bad landing,please help!
Author: blindrodie
Posted: Mon Feb 06, 2012 8:10 am (GMT -8)
You are kidding right?
Looks like you stalled it in...
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Torrey Hawk #212
Posted: Mon Feb 06, 2012 8:10 am (GMT -8)
You are kidding right?
Looks like you stalled it in...
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Hang gliding general :: RE: bad landing,please help!
Author: Eteamjack
Posted: Mon Feb 06, 2012 8:09 am (GMT -8)
Where's the zoom when you want it? Least you guys know how to share the moment. I heard a resounding Whack both from the camera man and the wing.
Stereo effect? I saw a better one this weekend, but can't share it.
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Posted: Mon Feb 06, 2012 8:09 am (GMT -8)
Where's the zoom when you want it? Least you guys know how to share the moment. I heard a resounding Whack both from the camera man and the wing.
Stereo effect? I saw a better one this weekend, but can't share it.
_________________
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Q&A, Learning to hang glide :: RE: Got my H1 Friday!
Author: blindrodie
Posted: Mon Feb 06, 2012 8:08 am (GMT -8)
Quote: I realise the novice rating doesn't mean much...
BUT, but, but YES it DOES!!!! It means you are one big step closer to your next big adventure. The people, the air, the birds oh MAN. You will see, in good time...
Keep it up.
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Posted: Mon Feb 06, 2012 8:08 am (GMT -8)
Quote: I realise the novice rating doesn't mean much...
BUT, but, but YES it DOES!!!! It means you are one big step closer to your next big adventure. The people, the air, the birds oh MAN. You will see, in good time...
Keep it up.
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The Basement :: RE: FTHI
Author: Newton
Posted: Mon Feb 06, 2012 8:07 am (GMT -8)
Quote: Rick Masters 11-10-26
My good friends Bob Dunn and Dave Butz both launched unhooked. Bob held on to his base tube all the way down from Plowshare. The impact split his skull and he suffered terribly until he died during the night, alone. Dave pulled himself onto his control bar and rode the glider down from the high Santa Barbara launch
Posted: Mon Feb 06, 2012 8:07 am (GMT -8)
Quote: Rick Masters 11-10-26
My good friends Bob Dunn and Dave Butz both launched unhooked. Bob held on to his base tube all the way down from Plowshare. The impact split his skull and he suffered terribly until he died during the night, alone. Dave pulled himself onto his control bar and rode the glider down from the high Santa Barbara launch
Q&A, Learning to hang glide :: RE: Sent my Daughter to school
Author: blindrodie
Posted: Mon Feb 06, 2012 8:05 am (GMT -8)
I see a lotta love there! I too have an Ash"lee".
Good stuff there Deep!
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Torrey Hawk #212
Posted: Mon Feb 06, 2012 8:05 am (GMT -8)
I see a lotta love there! I too have an Ash"lee".
Good stuff there Deep!
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Torrey Hawk #212
