Infiltration

MacGyver location: St Paul, Minnesota Gender: Male "Someone go find me a paperclip, a D-cell battery, and a cheese grater" \|	Re: Grappling Hooks... <Reply # 60 on 5/8/2003 4:56 AM >

	I hope you're being sarcastic. It doesn't take much physics to realize that a piton shot at a concrete wall will not "stick" in any way shape or form other than what gravity can do for it. If you watch the intro to goldeneye where Bond does the whole bungee jump/piton retractor gun deal and think about it carefully you will see what I mean. Reading all that Hawking stuff must be confusing you greatly. Like a fiend with his dope / a drunkard his wine / a man will have lust for the lure of the mine "If you are not part of the solution, you are not dissolved in the solvent."

Pyrodesiac location: NL, Canada Gender: Male TNT can make a dull day fun! \| \|	Re: Grappling Hooks... <Reply # 61 on 5/8/2003 4:57 PM >

	Fuck, sorry. That's supposed to be in the motion detectors one under my Doppler Shift explanation. I was probably working in too many windows again. If a mod reads this, it would be so helpful to move it. [Admin. Note: We can't move messages from one thread to another thread yet (just from one board to another board). I removed your accidental post. -Ninj] [last edit 5/9/2003 8:10 AM by Ninjalicious - edited 1 times] Only turkies have left wings. Happiness is a belt-fed weapon.

Pyrodesiac location: NL, Canada Gender: Male TNT can make a dull day fun! \| \|	Re: Grappling Hooks... <Reply # 62 on 5/8/2003 11:59 PM >

	Yeah, I agree with you there. If you were actually up there, you could probably hammer it in and get it to stay, but that's not how it's portrayed in movies. Stupid hollywood. Only turkies have left wings. Happiness is a belt-fed weapon.

mad dog location: minnesnowta yahhhh \|	Re: Grappling Hooks... <Reply # 63 on 5/22/2003 1:16 PM >

	fyi, the ninja grappling hook is crap. it says it supports 800 lbs, but get it caught on one prong and put 160 lbs on it, shit bends like warm butter. plus you would have to be he man to climb up the rope they give you. ive got 35 feet of 7/8 inch rope, and getting one of my bosses to make me a real grappling hook. its still fun as hell though.

RevSM location: South Central Texas \| \|	Re: Grappling Hooks... <Reply # 64 on 5/23/2003 4:12 PM >

	I have actually successfully used that ninja grappling hook before but it is very true that it will only take a few uses before it gets bent up and unreliable. As for climbing up I use 1/8 inch static climbing rope a harness and the prussic knot method of ascending (look up prussic ascending in google). I was able to use this method twice successfully but I wouldn't trust that hook for any more uses. The ascending method on the other hand is reliable and cheap to use... once you have the rope attached to an anchor at the top, and therein lies the problem. Tetanus for Breakfast! http://www.shatteredshutter.com

Corporeal Punishment location: Lima Center, WI Gender: Male Welcome to your heart... \|	Re: Grappling Hooks... <Reply # 65 on 5/25/2003 1:54 AM >

	Ok, this is just a simple drawing done in Blender 2.25. It's not completely accurate, but I made the body transparent so you can see the working mechanism. The plunger I had refered to earlier is in the front(the fat end facing away and to the right), and as it hits an object, the teeth on the sides force the jaws to clamp down. You can see the hole in the end of the plunger (the end inside the body) for the cable to be attached to. As weight is put on the cable, it pulls the plunger in forcing the jaws together even tighter... up_Grapple.jpg (15 kb, 320x256) ...Ok, this is seriously impractical, hazardous, and looks like a hell of a lot of fun. Who wouldn't want to play with something this dangerous??? P.S.--Launcher sold separately... [last edit 5/24/2003 8:58 PM by Corporeal Punishment - edited 1 times] Suit by Armani...Balls by King Kong. "Please do not offer my god a peanut"

MacGyver location: St Paul, Minnesota Gender: Male "Someone go find me a paperclip, a D-cell battery, and a cheese grater" \|	Re: Grappling Hooks... <Reply # 66 on 5/25/2003 2:17 AM >

	Now I see more of what you're talking about. This will fly with the rack-geared plunger part first? Then the cable is strung through the pointy end of the outer casing and attached to the rack gear plunger. It could work in certain conditions, but the angle of impact would have to be dead -on or it would only snag with one prong. The material would have to be some type of wood probably and even then, I think the concentrated force of the prongs would tear out of the wood it was barely bitten into with little to no force. If there was any sideways/rotational leverage on the thing, the same problem would arise again, only with more force to lever it sideways out of it's purchase. Interesting idea, Merc, but I'm sure not goona volunteer for beta testing Like a fiend with his dope / a drunkard his wine / a man will have lust for the lure of the mine "If you are not part of the solution, you are not dissolved in the solvent."

Corporeal Punishment location: Lima Center, WI Gender: Male Welcome to your heart... \|	Re: Grappling Hooks... <Reply # 67 on 5/25/2003 6:52 PM >

	Yep, pointy end in back. The idea isn't so much to grip INTO something, as to grip onto (or around) something. It could probably grab around a branch, steel pipe (the small ones, like those used for railings on top of buildings), or just to piss off a security guard Suit by Armani...Balls by King Kong. "Please do not offer my god a peanut"

Pyrodesiac location: NL, Canada Gender: Male TNT can make a dull day fun! \| \|	Re: Grappling Hooks... <Reply # 68 on 5/25/2003 6:58 PM >

	You'd be surprised at how difficult it is to wrap a rope around a branch or railing, and still be able to secure it. Keep in mind that if it just goes over it, it won't take your weight. If you don't believe me, just go try it. Only turkies have left wings. Happiness is a belt-fed weapon.

MacGyver location: St Paul, Minnesota Gender: Male "Someone go find me a paperclip, a D-cell battery, and a cheese grater" \|	Re: Grappling Hooks... <Reply # 69 on 5/25/2003 8:01 PM >

	pyro, we were talking about using this fancy latch mechanism, not just throwing a rope over something. Merc: I see what you mean, but now the problem is not getting it to stick, but actually hitting the pipe or branch. I suppose some type of accurate pneumatic launcher might give you a chance, but the probability of hitting and latching onto it is very slim. Like a fiend with his dope / a drunkard his wine / a man will have lust for the lure of the mine "If you are not part of the solution, you are not dissolved in the solvent."

Corporeal Punishment location: Lima Center, WI Gender: Male Welcome to your heart... \|	Re: Grappling Hooks... <Reply # 70 on 5/25/2003 11:41 PM >

	I didn't believe I could hit a bottle at 100yds with a .308, but I did. Yeah, accuracy could be a problem, just keep in mind that the launcher has yet to be designed.... Suit by Armani...Balls by King Kong. "Please do not offer my god a peanut"

Pyrodesiac location: NL, Canada Gender: Male TNT can make a dull day fun! \| \|	Re: Grappling Hooks... <Reply # 71 on 5/26/2003 4:15 PM >

	Okay, I see what you mean now. Still, it would be pretty hard. It's a bit different from shooting a .308. Only turkies have left wings. Happiness is a belt-fed weapon.

Corporeal Punishment location: Lima Center, WI Gender: Male Welcome to your heart... \|	Re: Grappling Hooks... <Reply # 72 on 5/26/2003 9:21 PM >

	I think with the proper grip and the right shoulder stock, it might be possible. Hmm, maybe a laser sight, although that would compromise invisibility, it's not like you'd shoot this thing in front of anybody... Suit by Armani...Balls by King Kong. "Please do not offer my god a peanut"

kungfood7 \|	Re: Grappling Hooks... <Reply # 73 on 6/19/2003 4:14 AM >

	Why don't you try making the plunger part rounded like a half-sphere or something thus giving it a bigger angle of attack so to say? Just a thought...

j0lt

location:
Kobe, Japan
Gender: Male

Re: Interesting rope ascension method
<Reply # 74 on 7/14/2003 5:09 PM >

Then we strangely worked out a plan to help pull <j0lt> up a bit at a time, with all of us working the back up rope to keep giving him a better way to move up. It worked perfectly, and soon j0lt swung his leg up and pulled himself up the overhang.

At the Alouette site, I had a bit of difficulty going up Jester's rope.
We had used the grappling hook, and it was quite strong enough, BUT, the rope was too narrow to grip effectively with my hands, and too light to reliably keep between my feet, so I couldn't really get anywhere without tiring myself out.

We had a second rope (no knots) that was tied to the top of the fence, as well as the bottom of the outside of the fence, with the slack loop hanging over the top and into the inside (the loop hung about 5' from the ground).

I climbed up into the loop, so I was standing with my feet apart (like a human A-frame), and on cue had Nemos, who was on the ground, pull up a bit of the slack, shortening the loop and bringing me up towards the top of the fence. We did this until I could reach the top, and then, as it says in the mission writeup, I swung my leg over the top, and was over.

If I could draw, I'd include diagrams of how it worked, but I can't, so I won't.

j0lt: Larger than life and twice as ugly!

Jester location: Vancouver,B.C. Canada Gender: Male Always just out of sight... \| \|	Re: Grappling Hooks... <Reply # 75 on 7/14/2003 5:16 PM >

	actually, Pixie was also helping at the bottom, and I was helping at the top... It was a total team effort It requires wisdom to understand wisdom: the music is nothing if the audience is deaf.

MacGyver location: St Paul, Minnesota Gender: Male "Someone go find me a paperclip, a D-cell battery, and a cheese grater" \|	Re: Grappling Hooks... <Reply # 76 on 7/15/2003 3:07 AM >

	Correct me if I've got this wrong, but here's what I'm envisioning: So you had Jolt put a foot in the loop of the long rope, and pull his torso up the other rope, then pull in the slack in the looped rope and let him stand up again to repeat the process? If this is how you did it, it sounds liek the method could be readily applied to other related situations with pretty good results. The setup works a lot like the basic idea behind ascending with climbing gear: hang your weight from your torso, make a foothold higher up, stand up, move torso anchor up, lather/rinse/repeat. I like it, Jester. Like a fiend with his dope / a drunkard his wine / a man will have lust for the lure of the mine "If you are not part of the solution, you are not dissolved in the solvent."

Jester location: Vancouver,B.C. Canada Gender: Male Always just out of sight... \| \|	Re: Grappling Hooks... <Reply # 77 on 7/15/2003 3:15 AM >

	The plan was Jolt's initially, but it was kind of weird, we all began making it happen, without having given any instructions to one another. And it was quite effective. Having two ropes like that was the key to it working well. Especially since my grapple rope has hand loops and knots along it. Makes for a place to brace yourself without extra gear... It requires wisdom to understand wisdom: the music is nothing if the audience is deaf.

j0lt

location:
Kobe, Japan
Gender: Male

Re: Grappling Hooks...
<Reply # 78 on 7/18/2003 4:44 PM >

Posted by Jester
The plan was Jolt's initially, but it was kind of weird, we all began making it happen, without having given any instructions to one another. And it was quite effective. Having two ropes like that was the key to it working well. Especially since my grapple rope has hand loops and knots along it. Makes for a place to brace yourself without extra gear...

Yeah, it all just sorta fell into place, it was really cool.

j0lt: Larger than life and twice as ugly!

Rockman Noble Donor \|	Re: Grappling Hooks... <Reply # 79 on 7/27/2003 9:00 AM >

	My take on the grappling hook gun (I heard somewhere that they're called "racoon guns", but I've got no idea if that's accurate). I'd go for a crossbow, probably made with a cross-country ski (the fiberglass ones work fairly well from what I've heard, they've got a good spring to them). The bolt I'd make from something like a 2-foot+ broomstick/dowel (to get the weight about right, you'd have to ballance it fairly well, and it would have to be heavy so as not to have a trajectory like a drunk sparrow). I'd put three or four hooks similar to the ones from Jester's on it and secure them fairly well, then have the rope secured to the back of the bolt. I'd probably just leave the rope in a nice pile on the ground, like you would with a normal grappling hook, because that's going to be by far the easiest way to get it to feed well. You could either put a bunch of knots in it or attach some sort of hand-driven winch to the back (if you were really sturdy with the construction maybe you could even use the thing as a seat for your ascent). When the time comes you could probably get a bit better range/accuracy than a good throw could provide, be a lot quieter than a cannon, and it would look really cool. I wouldn't reccomend using it for any practical reasons, but if there's ever a big UE meeting I'd consider putting one together for the hell of it. Keep in mind this is entirely hypothetical, I've always been tempted to build a crossbow but never gotten around to it, and same with grappling hooks. I have no idea if this is workable, so treat it like any other bullshit you read on the net. As for potato cannons, they're fun as hell, but two things you should note. First of all, use ABS piping, it's a lot stronger than PVC, at least in my experience, and much less likely to shatter from everything I've read. Secondly, they are of very dubious legality(I live in Hamilton, Ont). When we built one we called up the police and asked, and the guy we talked to told us we were fine as long as we used "discretion". A while later a kid accross town went down on some major weapons charges for it. I even know physics classes where they're a project. So it's probably a good idea not to advertise them too well unless you're on good terms with the neighbourhood cops. Oh, and as for fuel, our favourite was a mix of lighter fluid (given a few seconds to vapourize) and spray deoderant. It gunks things up a lot less than hairspray, and isn't half as clumsly as propane.

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