
Spizzzarko
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Everything posted by Spizzzarko
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Chuck owens were made of brass and the grommits did float up. He told me that if you lay a certain one on top of another they would not float up like that. What ever. I like the steel rings on my slider. Mel and Joe make good stuff.
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It's called a miracle man. A suicide is when you kill yourself. Usually you can only do it once.
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Hows your car horn working?
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The fourth Colorado CPC will be held tomorrow morning at Mile Hi skydiving center in Longmont, Co. The entry fee is $50.00 cash. The competitors meeting will be at 9:00 am in class room in the tandem packing hangar. Currently there are only two individuals who have completed three meets and are elligable to attend the CPC nationals in August. If you just need one more meet I STRONGLY urge you to attend the meet tomorrow, as schedules change and you may not be able to make the last meet. If you have any questions please call my cell phone. Grant
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All right Brian... Do stabilizers help out in anyway on smaller canopies? Refer to the Cross Braced canopy construction thread for the debate.
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I agree with you Mark. I jumped Chuck Owens JVX 96 with the RDS that had the brass gromits set in the webbing. The gromits would float up every once in awhile. I like the metal rings on my velocity slider better. Grant
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There are vertical, and horizontal stabilizers on the empenage of an aircraft. This is where your flight control surfaces reside (with exception to the ailerons). Either way, I'm sure the uncoordinated flight of a parachute is a mute point anyways.
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I'm sure it would be more evident on an aircraft that is loaded 23:1 than on a canopy loaded 2.5:1
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What part don't you agree with? If it was the pilot chute part I am refering to coordinated flight like an airplane. If an airplane is not in coordinated flight then it is sliding off to one side during a turn, kind of like a drift in a car. I'm sure parachutes can experience the same same thing. BTW it was good to see you when you here in Colorado. I hope things work out well for you in New York. Grant
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VX vs Velo: 270 turn starting altitudes
Spizzzarko replied to frost's topic in Swooping and Canopy Control
All of this discussion about turn and initiation altitudes is getting to be a little redundant. You need to understand that there is NO majic altitude that you can do a certain turn from and have it turn out perfectly every time. Theses altitudes being mentioned should be taken as a generalization as there are so many different factors involved in a swoop. Also what one person uses as an altitude may not work out for another. The biggest thing that each of you must do is actively fly each turn to be in the proper place at the proper time (IE do not just fly to a certain altitude and turn just because you have reached that altitude). -
I guess when Joe Bennet is not building gay houses for people he gets bored, and slices his Velocity up. I wonder if it affects the openings, and other flight characteristics of the canopy. You would think that the canopy would possibly begin to slip during turns. By slipping I mean that the canopy would slide sideways during the turn. Your pilot chute would be a good indicator of this. If the pilot chute is not directly behind the canopy and it is trailing off to one side or the other , then you are not in coordinated flight.
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I don't see why you couldn't remove all of the stabilizers on a velocity if you made teh slider stops like they do n the JVX. Honestly though, I think this mod would not really help most of the populous out there, because I'm sure that 90% of the swoopers can refine their technique and get better results than modifying their canopies. The velocity fly's pretty damn well stock. If you take the slider, bag and pilot chute off, it's even cleaner. I like the Technora lines though! Grantious the Destroyer!
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VX vs Velo: 270 turn starting altitudes
Spizzzarko replied to frost's topic in Swooping and Canopy Control
They do too! -
"Knowing is half the battle!"
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Thinking more about it, I don't think the chrod wise distortion that you are talking about is as important as containing the span wise distortion. The ribs of the canopy go from the front to the back (chord wise), and they prevent the canopy from distorting much in that direction. The Cross Braces (CB's) are preventing the top skin from distorting from side to side (span wise). If you look at a head on picture of a velocity compared to a stilletto, you will notice that the top skin inbetween the ribs on the stilletto is bulbous and distorted, and the velocity is much flatter. The top skin on the stilletto that is not facing directly up is not producing as much lift as the material that is on the top of the cell. The top skin that is facing the side of the canopy should be producing lift to the side. If you have a 100' stilletto you will not have 100' of the canopy top skin producing verticle lift. CB's keep the topskin flatter allowing more verticle lift to be attained.
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The new designs such as the Z bracing stuff may go all the way back, but the rear of the canopy is going to deflect with any flare input so why make it stiff? Maybe Jim will chime back in and correct my thinking. If we are lucky maybe Brian Germain will grace us with his input "The Zen of Cross Braced Piloting".
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The JVX with sail material...
Spizzzarko replied to CanopyPiloting's topic in Swooping and Canopy Control
ummmm yeaaaa about that.... I might compete in the next one. -
just cut them off... I'm just kidding. The amount of drag reduction would be insignificant on the larger canopies.
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The JVX with sail material...
Spizzzarko replied to CanopyPiloting's topic in Swooping and Canopy Control
I thought it was "Your only as good as you look!!!" If that were the case I would win the Sexiest Man round of the swoop comps, but the PST isn't as progressive as it ought to be, so I'm relagated to kicking every ones ass in speed, distance, and accuracy. hahahaaa -
PD had them in a canopy called the excalliber in the early 1990's. It was made of f-111 so it would lose it's porosity after awhile and lose performance. The jumpers of it also complained of hard openings. I think they scrapped it because it was really hard to make all the parts to it with the exacting specifications that it needed. Now with the laser cuters and cad drawings, they can be as precise as needed. I'm sure it was expensive to build then too. I also believe that there were some Russian canopies with CBing back then. The Rusians have usually been fairly progressinve with their parachutes. Grant
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I am a computer GENIOUS!
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The JVX with sail material...
Spizzzarko replied to CanopyPiloting's topic in Swooping and Canopy Control
No the 96 JVX there has a removable slider on it, so I will use that. It looks like one of Mel's sliders with a bunch of damn pocket shits sewn on to the sides. I think Ian should have given up after his speed run too. That was embarrasing. I was embarrased for him! It's crazy that a man with a shirt as tight as his could do so poorly in a comp! hahahaaaaa -
llok at the picture that I have below. You can se that teh CB's attach at teh line attachement point and then go off to one side or teh other. This "tricks" the top skin into thinking that there is a line attachment point on that nonload bearing rib. This creates a stiffer wing that can attain more speed because it is smaller. The more speed you have the further you can swoop. Does this make sense? Grant
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I would think that it would be a pack volume issue. CB canopies pack up big for their size, so if you added more material then they would pack up even bigger. Also you are only trying to keep the top skin from deforning so you don't really need a lot of material sewn to the bottom of the rib, but more sewn to the top. That is my hypothesis of why the CB's are triangular. Also, the less distortion you get in the wing the better it is going to fly. Look at the JSX pics that Jim put up, and look how little distortion there is in that canopy. I'm sure with a canopy like that an 80 series would flare out like a 150 non CB canopy but exponentially faster from a turn. I'm sure it would pack up like a 150 also!