npole

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  1. I'm more impressed by the videoman skill!
  2. The WL will only tell you the ratio about the force (your weight) applied to each square feet of your wing.The glide ratio and airspeed is influenced by the canopy size, the canopy shape, number of cells, material, the trim, and other variables and they are not a fixed number, it's dynamic according to the inputs given to the wing. If you think a high performance wing, it can have a lower glide ratio with the commands released on a level flight, if compared with a student wing, but it's also much faster and it can "store" much more potential energy, so you have a longer recovery arch ending on a infinite glide ratio (horizontal flight) for a certain amount of time (it's how you do swooping), something not attainable with a student wing. To resume (there's many other variable, this following is simplified): - Same wing, increased WL (if you compare two jumpers with different weight under the same wing, or if you put some lead on you): the glide ratio will not change, but the speed will do; ie: you can have a more powerful flare. - Smaller wing, same WL (you scale down the wing but so the jumper weight): the glide ratio will decrease, the speed will increase: same consequences as before, but amplified; - Smaller wing, increased WL (you scale the wing, but increasing the WL; ie: using a smaller wing than before, or adding weight on you): the glide ratio will decrease even more and so the speed (will increase): again, decreased glide ratio with no commands, much faster speed, much more energy to use during the flare... so you end doing those swoooops.
  3. Tnx for the correction, however I'm interested in the features more than in the name! :) So, what you would like to have in a audible altimeter?
  4. As the title, what (realistic) features what you would like to have in a acoustic altimeter beside this "basic" features listed here: - USB port for recharging and PC connection; - Custom sounds at configured levels; - Optional altitude voice reading at configured levels that can be mixed with the sound alerts; - BUS port for external accessories (in example: multicolored led strip/HUD for a visual feedback); - Bluetooth connection to configure the altimeter wireless via smartphone; - Downloadable flight logs; Any idea on other "must have" or "nice to have" features? Thanks!
  5. Hi everyone, I know about the general rule of letting a student using a full face helmet after a certain number of jumps (because of reasons that have been already talked about here on the forum...), after have completed the AFF course, however I see people doing their AFF course with it. So the question: is it just a consolidated internal rules across the majority (but not all) DZ, but it isn't enforced and it remains at the discretion of your instructor.. or? I'm wearing contact lens (and sometime glasses), I find the goggles really uncomfortable, nor that is the end of the world making 20 jumps with them before switching to a full helmet, but I was curious about why some DZ are allowing it and others doesn't.
  6. Thanks guys. Assuming I won't freeze at first jump.. I'll adjust the undersuit, so I'm gonna go layering.
  7. ...yes. ...with the AFF normal height is even more important than taking a airliner (where the cabin is pressurized at a lower altitude). However since almost all my dives are decompression dives, normally I do not take a flight (and I won't do skydiving) following 48 hours after the last dive, to be safe.
  8. Hi everyone, I'm gonna start a AFF course right after the holidays. I have to decide if to wait a little or go for it straight away. On this point I would like to know how you dress during the winter? The ground temperature here is around 7-10° during the day in January, I expect it to be -20° up there. Do you usually wear thin (layered) thermal clothing or ticker undersuits? I do scuba diving during winter (using a drysuit) and we used to wear undersuits like this: ..that's a way too much for a skydiver, or do you use similar undersuits? Thanks!
  9. Hi everyone, new (soon) AFF course starter from Europe. Hope to place side by side this new activity with my other passion (scuba diving). Catch you around. ;)