This we, a friend had part of his arm broken after a lockout.
Better than being killed.
He didn't wait enough before to release the cart and banked immediately on the opposite of the wind.
Sounds like it's been a bad week for coming of the cart early in your neck of the woods.
He had a wichard...
One or two point towing?
...and didn't release.
Brake lever? Downtube? Basetube? Loop? Shoulder?
The weaklink (110kg) broke.
Bridle or towline tension?
He did a U-turn and fly downwind before to be stopped by a hangar and broke his elbow (compound fracture of olecrane).
Ooh.
I really defend the use of a mouth release but probably more in the Steve Kinsley's initial version.
Sounds like he was towing one point then. And I'd guess that 110 kg was bridle tension - 220 kg / pounds 485 towline. What flying weight and glider model? (If this was, in fact, 220 kg towline we'll be able to say, "See? Low level lockout, two G weak link still blows, would've been fine except somebody put the hangar in the wrong place.)
Because the multi-string is useful at this time of the take off already armed.
That's not a bad argument and that would be my preference - except the Clamcleat is a better, more reliable locking mechanism.
Besides I think this is the only manner it should be used to react quickly enough.
You can't get any faster than that, to be sure.
- But my position is that we can't afford to get into situations in which a half second's worth of advantage will make a difference - and we're capable of doing that.
- Also... If I were really compelled to launch in an iffy situation I could launch with the Clamcleat flavor armed and just hold the string in my teeth to altitude. It's not that much of an imposition.
I tested the new 3 multi-string version and found 19kg as a minimum tow line tension to release.
42 pounds - about a third of normal aerotow tension.
I'm asking if it is not still too much to release during the rolling phase or just in the first banked instant close to the ground ..I'm not sure.
I think you're fine. (Of course I thought everybody would be fine with the Four-String so...)
As I had some mails with a Russian pilot, they all seems to use their mouth release since 3-4 years and it works fine.
Not at...
http://ozreport.com/2013USNationalsrules.php
2013 US Nationals at Big Spring, Texas
2.0 EQUIPMENT
Appropriate aerotow bridles
Competitors must use appropriate aerotow bridles as determined by the Meet Director and Safety Director and their designated officials. Bridles must include secondary releases (as determined by the Safety Director). Bridles must be able to be connected to the tow line within two seconds. The only appropriate bridles can be found here:
http://OzReport.com/9.039#0
and:
http://ozreport.com/9.041#2.
Pilots who have not already had their bridles inspected during the practice days must bring their bridles to the mandatory pilot safety briefing and have them reviewed. Pilots with inappropriate bridles may purchase appropriate bridles from the meet organizer.
...anything controlled by Davis and/or his fellow pin bending sleazebags. But...
http://ozreport.com/forum/viewtopic.php?t=30971
Zach Marzec
Brad Gryder - 2013/02/21 23:25:31 UTC
Sorry, but that's not the best answer. We don't live in a perfect world of quantum knowns and 100% reliabilities. Fine-tuning a weak link isn't going to get us but so far. There's also a way to swing your body way outside the control frame so it stays up there while you reach out with one hand and release. Come on - do some pushups this winter.
See if you can advance up to some one-arm pushups.
...if they start doing pushups now they'll be fine by the start of the competition. Plus they'll undoubtedly be flying on...
Pilots must use weaklinks provided by the meet organizers and in a manner approved by the meet organizers. All weaklinks will be checked and use of inappropriate weaklinks will require the pilot to go to the end of the launch line to change the weaklink.
...some really safe weak links. And...
Pilots will be shown how to tie the weaklink so that it more likely breaks at its rating breaking strength.
...they'll be shown how to tie the weak link so that it more likely breaks at its rating breaking strength.
Until we hadn't the real tensions at all stage of an aerotow it's difficult to recommend the 3 multi-string version.
Need any 130 pound Greenspot. It's probably a good time to buy surplus from Quest and Kitty Hawk.
But seriously... The Three-String will be fine. The Russian model will handle low tension better but it's a somewhat clunky chunk of metal that's never gonna offer enough of a real world advantage to be worth it.