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Everything posted by Hooknswoop
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The crosswind drift will increase above 15 knots as you flare the canopy? I disagree. I think the crosswind component won't exceed 15 knots (for a steady wind). Derek
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Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
I don't think the fold back is necessary. There are rigs without a foldback on the chest strap and I have a bunch of jumps on one w/o it. As it is (backwards), the foldback could still catch on the hardware. Derek -
Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
This is no diferent than if it was 'correctly' routed. The routing in the pics wil work exactly the same as 'correctly' routing it will with the exception that it might be tougher to remove. Derek -
You are right, but I think Kris meant the turn rate for the same amount of input and/or the max turn rate of the canopy is higher as you downsize. Derek
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That means that if you are moving at 15 knots foward (50%) and 15 knots sideways (50%), when you flare (to zero foward) you would be moving 30 knots sideways(100%). It doesn't work that way. If you flare to zero foward the 15 knots sideways is not affected and you are still moving the same 15 knots sideways. The crabbing effect does not get exaggerated. If the crosswind component is a steady 15 knots, it will remain a steady 15 knots as the canopy is flared. Derek
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As you flare the "crabing effect" does not get "exaggerated". It is there as long as the crosswind is there and slowing the canopy down does not affect it. Derek (with two "e"'s)
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Not true. If the crosswind component is 5 knots from the jumper right, the canopy's airspeed is irreverent. The canopy will be drifting across the ground to the jumper's left at 5 knots. This drift does not increase as the jumper flares to slow the canopy. The jumper can flare turn the canopy into the crosswind decreasing or even eliminating the drift. Newer jumper tend to demonstrate this when they flare unevenly in no wind. Derek
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http://www.roadid.com/ I ordered the wrist version. Not a bad idea for skydiving. The wrist mount wasn't the greatest, so I made myself a better one. It wouldn't be hard to attach to a wrist altimeter or just wear on the other wrist. Since few people jump w/ ID and medical information actually on them, this would at least provide basic contact/allergy/ID/medical info/etc. Up to 6 lines of text, 23 character spaces per line. Derek
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Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
You were wishy-washy though. Let's call it a draw Derek -
Try and pull a toggle down to your chest and harness steer the opposite direction on a correctly built 181 sq ft canopy. You won't be ablt to counter the toggle turn with the harness. Your reserve has a built in turn, it isn't the harness. Raven's have a reputation for built in turns. Poor quality control. Derek
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Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
So, what do I win? Derek -
Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
Try it- same amount of friction. Derek -
When you finish your flare, your airspeed drops to either zero or close to it. If your feet are not on the ground, your groundspeed will be equal to and in the same direction as the wind, like a hot air balloon. As you sink from the high flare you will hit the ground with vertical and horizontal (in the direction the wind is blowing) speed. This makes for a very 'difficult' landing since you can deal with vertical or horizontal speed by PLR or sliding/running respectively, but not both. Derek
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Once you touch down in a crosswind, the canopy is being anchored to the ground, and being blown to your side by the wind. Same thing happens when you land into the wind, but with the canopy being blown behind you which is easier to pull/balance against. Derek
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How?, without flaperons(which canopies also don't have)? How? Derek
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Device dependence (was: Cypres report)
Hooknswoop replied to Scrumpot's topic in Safety and Training
I am saying that regardless of what someone says they will or wont' do, when they do when they are actually in the situation may be different from what they said they would do. I've done a lot of things I said I would never do. Derek -
Differential power from the engines outboad of the centerline is used to act as a rudder. Ever seen pics of a B-52 landing or taking off in a crosswind? All of the wheels turn to allow the wheels to be pointed down the centerline with the aircraft crabbing into the wind. Also check out vectored thrust like the X-31. Derek
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Device dependence (was: Cypres report)
Hooknswoop replied to Scrumpot's topic in Safety and Training
And I bet feuergnom would have bet he would not have panicked when he had to flood/remove his mask underwater. I know dozens of people that have sworn that wouldn't downize again, only to se them downsize several times. Derek -
Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
Dave- try it, it won't slip routed like that any more than routing it 'correctly' will slip. You are thinking of a different routing whereas the webbing doesn't run across the top of the friction bar, pushing it down on the webbing, cinching it tight. The way it is routed in the pics will hold fine. You could not pull the M/L/W's apart routed like it is in the pics. Derek Derek -
Device dependence (was: Cypres report)
Hooknswoop replied to Scrumpot's topic in Safety and Training
So the question remains, would she have done something different on that skydive had she known she effectively did not have an AAD? Would she be alive today if she knew the AAD would not fire? Derek -
You ought to see what can happen to aircraft landing gear set down with too much drift. Derek
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Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
The rig is a Mirage, which comes with an extra elastic keeper on the other side of the buckle. The rig either has the keeper out of view on the chest strap or is missing the keeper the rig came with on the chest strap. Derek -
Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
This buckle will hold the same either way (there are a couple of ways of routing it that it won't hold at all), but be aware that other buckles will not hold right if not threaded exactly right. Derek -
Right, but our 'landing gear' is much less sensitive to landing with a crab angle than an aircraft's is. But ya, a crosswind landing doesn't turn or roll an aircraft or canopy, it only adds drift over the ground. Derek
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Safe to jump like this or not? (picture attached)
Hooknswoop replied to peek's topic in Safety and Training
Correct, just reversed threading from normal. Derek