All, I got the e-mail below from Craig of Permian Soaring. I have made a couple of attempts at replying to this privately, but I just get delivery failure...
6459
burrtorr
Nov 2, 2008 9:06 am
Something to look at on the wet unflyable days dark winter evening -- it may even explain the dynamics of a launch failure. I got the following engineering...
6460
Frank Whiteley
kestrel19ctd
Nov 6, 2008 1:26 am
See the info section http://www.youtube.com/watch?v=C1XA1C_Q4QI...
6461
bob_lacovara
Nov 6, 2008 5:04 am
A couple of videos from PGC... http://www.mydeo.com/videorequest.asp?XID=70067&CID=216576 http://www.mydeo.com/videorequest.asp?XID=53542&CID=209651 Bob...
6462
derek_cirrus168
Nov 6, 2008 7:27 am
That's a neat looking winch. According to the winch sites database it's an Eagle. Can anyone tell us something about this winch? Derek Copeland...
6463
Frank Whiteley
kestrel19ctd
Nov 6, 2008 3:45 pm
It was originally designed and built by Glenn Lawler and operated by the Southern Eagles Soaring Club. Glenn offered serial production of the design and...
6464
Frank Whiteley
kestrel19ctd
Nov 6, 2008 4:55 pm
Nice videos, but I've always received way too much latency from this UK hosted site to use it smoothly. It averages 146ms NY<>London and 164ms on the London...
6465
Frank Whiteley
kestrel19ctd
Nov 6, 2008 5:07 pm
just checked, bit rate is set to 2.06Mbps. way too fast for general use HD video can be distributed at 776Kbps Frank ... From: Frank Whiteley...
6466
bob_lacovara
Nov 6, 2008 7:04 pm
Frank has the history of the winch quite correct. The truck now runs fine. However, it does have Spectra on both drums – The purple is Samson Amsteel and...
6467
ctstoltz
Nov 6, 2008 7:42 pm
High, Bob, glad to see you making progress. Did you have any issues with installation of the airspeed telemetry system in you glider(s). Specifically, did the...
6468
bob_lacovara
Nov 6, 2008 9:15 pm
The installation is very simple... just the pitot/static connections and power wires. We had an A&I make the appropriate logbook entry, the same as if...
6469
Bill Daniels
n141sf
Nov 6, 2008 11:39 pm
... Bob, just how do your winch drivers use the airspeed data? What technique does the pilot use? If the winch driver is holding airspeed constant with power ...
6470
bob_lacovara
Nov 7, 2008 12:39 am
Bill, Where it seems to be particularly helpful is in wind gradient conditions, or on gusty days. During a "stable" launch, where the pilot holds a constant...
6471
Ulrich Neumann
ulineumann
Nov 7, 2008 3:24 am
Regarding 'switching the drums from the cab': When that winch was up for sale, I contacted the seller and received a couple of photos. IIRC, one of them showed...
6472
bob_lacovara
Nov 7, 2008 5:22 am
Yes, that is correct. The issue with linking the two slider levers together, and powering the tie rod from the cab, is that it is difficult to align the...
6473
derek_cirrus168
Nov 7, 2008 7:54 am
Looking at it another way, it's just a better version of trying to keep the glider somewhere between a too slow signal and a too fast signal, and climbing...
6474
ctstoltz
Nov 8, 2008 6:23 pm
I've been trying to contact Skylaunch via the email address (sales@...)as posted on their website, but it keeps bouncing. Anyone have a different...
6475
Marc Ramsey
marc_5k
Nov 8, 2008 6:38 pm
The email address I've used of late is: skylaunchwinches@... Marc...
6476
derek_cirrus168
Nov 9, 2008 8:09 am
I Tried sending a mail to the Skylaunch email address suggested on their website, and got the following reply: Your message: To: nigel.davis@... ...
6477
derek_cirrus168
Nov 9, 2008 9:34 am
For those who believe that you can recover from a launch failure without a net loss of height, have a look at the following video. ...
6478
derek_cirrus168
Nov 11, 2008 2:20 am
My apologies to Skylaunch! I have since had a reply to my query from their MD Adam Greaves, so the email address given in their website must work after all. ...
6479
Michael Derry
michaelwderry
Nov 17, 2008 1:52 am
Dear All I am wondering what sort of emergency rope/cable cutters are in use out there. Any information and pictures would be appreciated. Michael Derry ...
6480
Ulrich Neumann
ulineumann
Nov 17, 2008 4:03 am
Michael,  I just updated our winch by installing a coil-spring-loaded mechanism. This one is driving a sharp blade past an equally sharp edge, so it...
6481
Kenneth Caldwell
kencldwll
Nov 17, 2008 4:22 am
... Hi Michael, The Southern Tablelands Gliding Club winch (Ex Harden GC) has a pair of guillotines manufactured by K.R.Hill and according to the Central Coast...
6482
Kenneth Caldwell
kencldwll
Nov 17, 2008 4:33 am
... I have just found the following PDF file with further information. http://home.vicnet.net.au/~gliding/Guillotine_Add_WEB.pdf cheers, Ken...
6483
winchguru
Nov 17, 2008 9:30 am
All, an important question upfront is if you're using steel or plastic wire. Steel wire can be cut by using a scissor type of guillotine. That will definitely...
6484
Bill Daniels
n141sf
Nov 17, 2008 5:33 pm
Pneumatics seem to work well. I designed one using a Bimba 2"bore, 3" stroke, spring return air cylinder bought new on eBay for $25. The air cylinder drove a...
6485
Frank Whiteley
kestrel19ctd
Nov 17, 2008 7:35 pm
Samson has added additional Amsteel Blue 12-strand (Dyneema 75) to their mix, notably 5/32". Best pricing I've found so far on the 5/32" is $0.43/ft with free...
6486
derek_cirrus168
Nov 17, 2008 9:33 pm
Tost and Skylaunch winches have simple spring loaded guillotines, with the powerful drive springs being housed in a tube. Operating them is just a case of...
6487
ctstoltz
Nov 17, 2008 10:17 pm
What "bevel" angle are you using for the blade's cutting edge? It looked like Romans was using about 45 deg. on his powder acutated unit if I remember...
