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Forums: BASE Jumping: BASE Technical:
Clamps.
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snhughes


Nov 28, 2011, 12:29 PM
Post #1 of 58 (7137 views)
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Registered: Sep 10, 2010
Posts: 56

Clamps. Can't Post

Hey everyone!
I bought a set of clamps similar to these ones:

http://www.campingmaxx.org/...10/images/Clamps.jpg

but I'm a bit worried that it may cut the canopy since the edges are made of hard plastic instead of rubber like these one:

http://media.popularmechanics.com/...clamp-6-470-1008.jpg

Has anyone been using the top one? Have you had any problems?

Thanks


(This post was edited by snhughes on Nov 28, 2011, 12:31 PM)


Spiderbaby


Nov 28, 2011, 12:34 PM
Post #2 of 58 (7123 views)
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Registered: Jul 4, 2003
Posts: 778

Re: [snhughes] Clamps. [In reply to] Can't Post

the top ones are going to poke holes in your canopy resulting in a spinning death malfunction!!

the bottom ones are available at ANY Home Depot and are better.


TomAiello


Nov 28, 2011, 12:44 PM
Post #3 of 58 (7114 views)
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Re: [snhughes] Clamps. [In reply to] Can't Post

They will work fine, and won't be any more likely to damage your canopy, but personally I find the second type easier to use.


Spiderbaby


Nov 28, 2011, 12:48 PM
Post #4 of 58 (7106 views)
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Registered: Jul 4, 2003
Posts: 778

Re: [TomAiello] Clamps. [In reply to] Can't Post

TomAiello wrote:
They will work fine, and won't be any more likely to damage your canopy, but personally I find the second type easier to use.

that's actually what I meant to say.


nickfrey


Nov 28, 2011, 7:18 PM
Post #5 of 58 (6986 views)
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Registered: Jun 1, 2006
Posts: 71

Re: [snhughes] Clamps. [In reply to] Can't Post

I actually borrowed a canopy for a little while and the owner used/loaned me the same plastic clamps. You could definitely tell where he had been clamping the canopy. There where little micro abrasions and holes all over the clamp points. New and used with care I'm sure you'll be fine, but clamps tend to get tossed around and it was the light bits of damage to the clamps that was snagging the holes in the material.

Fine in a pinch, but I would get the Metal/rubber ones when you get a chance.


TomAiello


Nov 28, 2011, 8:15 PM
Post #6 of 58 (6971 views)
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Re: [nickfrey] Clamps. [In reply to] Can't Post

nickfrey wrote:
I actually borrowed a canopy for a little while and the owner used/loaned me the same plastic clamps. You could definitely tell where he had been clamping the canopy. There where little micro abrasions and holes all over the clamp points. New and used with care I'm sure you'll be fine, but clamps tend to get tossed around and it was the light bits of damage to the clamps that was snagging the holes in the material.

Fine in a pinch, but I would get the Metal/rubber ones when you get a chance.

The metal ones will do that too, especially if you get the cheap ones and wear through the rubber caps, which exposes a metal edge that can tear at your canopy.


Indyoshi


Nov 28, 2011, 9:04 PM
Post #7 of 58 (6951 views)
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Registered: Aug 5, 2011
Posts: 91

Re: [TomAiello] Clamps. [In reply to] Can't Post

rather than clamping the fabric, I just clamp the tabs right at the canopy...


hookitt


Nov 29, 2011, 12:10 AM
Post #8 of 58 (6909 views)
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Registered: Oct 25, 2002
Posts: 2270

Re: [Indyoshi] Clamps. [In reply to] Can't Post

These seem to be the best

1" Heavy Duty Spring Clamp <=== small


2" Heavy Duty Spring Clamp <=== large


460


Nov 29, 2011, 1:29 AM
Post #9 of 58 (6889 views)
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Registered: Nov 6, 2002
Posts: 2706

Re: [hookitt] Clamps. [In reply to] Can't Post

never buy clamps that are too small. they can be forgotten in the packjob. it happened to me once prior to a building jump and i counted my tools, realizing one was missing. i left it on the canopy above the a-lines. count your tools. among newbies, realize that serious riggers add neon colored flags to every tool used, to minimize rigging mistakes.


blitzkrieg


Nov 29, 2011, 5:15 AM
Post #10 of 58 (6851 views)
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Registered: Aug 6, 2004
Posts: 1098

Re: [460] Clamps. [In reply to] Can't Post

or, just don't use clamps.

there like crutches, they only help when something is broken.Smile


gauleyguide


Nov 29, 2011, 8:54 AM
Post #11 of 58 (6783 views)
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Registered: May 2, 2006
Posts: 1246

Re: [460] Clamps. [In reply to] Can't Post

SlySlySlyIt's fun to pick up one of your friends clamps and wait till he unpacks and say 'oh, here it is.'AngelicAngelicAngelic


darkvoid


Nov 29, 2011, 10:11 AM
Post #12 of 58 (6748 views)
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Registered: Aug 15, 2011
Posts: 39

Re: [snhughes] Clamps. [In reply to] Can't Post

From my experience I would say your best bet would be these.


OuttaBounZ


Nov 29, 2011, 10:19 AM
Post #13 of 58 (6740 views)
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Registered: Nov 9, 2010
Posts: 888

Re: [darkvoid] Clamps. [In reply to] Can't Post

These work well too.



TomAiello


Nov 29, 2011, 11:30 AM
Post #14 of 58 (6713 views)
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Re: [Indyoshi] Clamps. [In reply to] Can't Post

Indyoshi wrote:
rather than clamping the fabric, I just clamp the tabs right at the canopy...

I find that the tabs can easily slip out of the clamp if you use the clamp as a handle to tension the lines. For this reason I prefer to sink the clamp as deeply as possible onto the fabric itself.


TomAiello


Nov 29, 2011, 11:34 AM
Post #15 of 58 (6711 views)
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Re: [blitzkrieg] Clamps. [In reply to] Can't Post

blitzkrieg wrote:
or, just don't use clamps.

there like crutches, they only help when something is broken.Smile

Human beings use tools to complete tasks for a number of reason. The tools can make the task easier, or faster, or more consistent, as just a few examples.

I can easily pack with no tools at all (that's how I first learned). But I prefer to use tools for the same reason I prefer to use a hammer when driving a nail--it makes the task faster, easier and more accurate.

I frequently encounter jumpers who seem to think that packing without tools is some sort of test of their masculinity, as if the only tools a _real_ man would need are his enormous genitals. I find this rather silly, but perhaps that's because I'm not man enough to understand.


blitzkrieg


Nov 29, 2011, 11:48 AM
Post #16 of 58 (6701 views)
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Registered: Aug 6, 2004
Posts: 1098

Re: [TomAiello] Clamps. [In reply to] Can't Post

TomAiello wrote:
I can easily pack with no tools at all (that's how I first learned). But I prefer to use tools for the same reason I prefer to use a hammer when driving a nail--it makes the task faster, easier and more accurate.

you say prefer. it is simply a preference.

but i don't see anyone packing with clamps doing it faster or easier than someone who is proficient at packing without them.

my point is, if you learn to pack without clamps proficiently... you will never NEED clamps, as they are unnecessary. also, you'll never find yourself on an object with a dumped packjob saying, "damn, i don't have any clamps, guess i'll have to climb down".

has nothing to do with masculinity for me. it's just simplicity. i don't need to pack an extra suitcase full of tools like some people choose to. but, to each their own.


Indyoshi


Nov 29, 2011, 11:49 AM
Post #17 of 58 (6699 views)
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Registered: Aug 5, 2011
Posts: 91

Re: [TomAiello] Clamps. [In reply to] Can't Post

I haven't had any big issues with clamps slipping. And I do use them for line tension. But when I pull the clamp for line tension I grab the fabric right in front of the clamp or pinch the side of the clamp that pinches it tighter rather than grabbing the handles that open the clamp... No issues so far doing this


jtholmes


Nov 29, 2011, 9:10 PM
Post #18 of 58 (6637 views)
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Registered: Jun 23, 2003
Posts: 303

Re: [TomAiello] Clamps. [In reply to] Can't Post

Tom: your quote "I prefer to use a hammer when driving a nail--it makes the task faster, easier and more accurate."

this is a ridiculous comparison and inaccurate metaphor. One can't drive a nail with bare hands, a tool is a necessity. This is not the case with parachute packing.

Ours are completely contrasting philosophies when it comes to BASE jumping. I prefer to keep things as absolutely simple as possible. Less to mess up. less to try to remember.

Yours is the most excessively complex and over-thought pack job with many many unnecessary tools.

Similarly, I see your students over thinking the parachute flying part too.

I am sorry for being critical.


Ajunkie


Nov 29, 2011, 10:10 PM
Post #19 of 58 (6622 views)
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Registered: Mar 11, 2009
Posts: 77

Re: [TomAiello] Clamps. [In reply to] Can't Post

TomAiello wrote:
Indyoshi wrote:
rather than clamping the fabric, I just clamp the tabs right at the canopy...

I find that the tabs can easily slip out of the clamp if you use the clamp as a handle to tension the lines. For this reason I prefer to sink the clamp as deeply as possible onto the fabric itself.

If you use the clamp as a handle to tension the lines, just simply reach a littler further down and grab the fabric just past the clamp if the clamp is on the tabs.


460


Nov 29, 2011, 10:42 PM
Post #20 of 58 (6613 views)
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Registered: Nov 6, 2002
Posts: 2706

Re: [jtholmes] Clamps. [In reply to] Can't Post

JT, it's always good to hear your thoughts. i saw Tom pack with 8 clamps and i thought man, that's a recipe for disaster for anyone who packs in poor lighting or might be fatigued, drunk, distracted, etc. which makes me think, i wonder if there are any base fatalities from leaving a clamp in the pack job. I agree, simplicity is the key to performing well in any endeavor. i could pack without clamps in really dry environments with moderate winds, but i was only able to do this after working semi-periodically with a master rigger at his loft in houston for 2 years. for a long time, i just used 2 large clamps when i was packing uncurrent. watching a good packer is like watching a las vegas black jack dealer or a seasoned magician. it only works with frequent practice.

you know, it's interesting that i've made fundamental rigging mistakes after all my so-called experience. it's frightening considering what type of mistakes a newbie would make.


TomAiello


Nov 30, 2011, 8:51 AM
Post #21 of 58 (6551 views)
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Re: [blitzkrieg] Clamps. [In reply to] Can't Post

blitzkrieg wrote:
...i don't see anyone packing with clamps doing it faster or easier than someone who is proficient at packing without them.

I am proficient at packing with or without clamps, and with or without a whole set of other tools.

I prefer to pack with about 5 clamps depending on canopy size (and however many pull up cords I need to close the rig). I find it faster and easier that way.


I teach students a pack job with a set of other tools, including line tensioners, because in my experience it is easier for a new packer to get a good pack job by using those tools. I also prefer this because in my experience it is easiest to learn to pack with the tools, and then remove the tools from your packing technique as you gain experience.

The students I've seen trying to learn a no-tools pack job fro the beginning (and I was one of them a long time ago) are almost alway overwhelmed by the fabric management issues and end up with substantially worse pack jobs than students using the tools. In almost every case that I've worked with students trying a no-tool pack job, after we've used tools, they opt to use the tools because they can control the pack job more easily that way. After they are comfortable packing, the majority of them scale back their tool use to just a set of clamps (between 4 and 6 usually), and whatever pull-up cords are appropriate for their rig.

I sometimes see experienced jumpers who are "mentoring" new jumpers and seem to enjoy making things harder for the students (by, for example, insisting that they pack with no tools), when the student would learn faster and more easily by using instructional aids in the learning process. This strikes me as very silly, as the point of instruction ought to be to convey information and skills in the most efficient manner.


(This post was edited by TomAiello on Nov 30, 2011, 9:00 AM)


Spiderbaby


Nov 30, 2011, 9:31 AM
Post #22 of 58 (6524 views)
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Registered: Jul 4, 2003
Posts: 778

Re: [jtholmes] Clamps. [In reply to] Can't Post

jtholmes wrote:
Tom: your quote "I prefer to use a hammer when driving a nail--it makes the task faster, easier and more accurate."

this is a ridiculous comparison and inaccurate metaphor. One can't drive a nail with bare hands, a tool is a necessity. This is not the case with parachute packing.

Ours are completely contrasting philosophies when it comes to BASE jumping. I prefer to keep things as absolutely simple as possible. Less to mess up. less to try to remember.

Yours is the most excessively complex and over-thought pack job with many many unnecessary tools.

Similarly, I see your students over thinking the parachute flying part too.

I am sorry for being critical.

Fully agree, and not sorry.


nickfrey


Dec 1, 2011, 12:23 AM
Post #23 of 58 (6453 views)
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Registered: Jun 1, 2006
Posts: 71

Re: [TomAiello] Clamps. [In reply to] Can't Post

TomAiello wrote:
blitzkrieg wrote:
...i don't see anyone packing with clamps doing it faster or easier than someone who is proficient at packing without them.
(and however many pull up cords I need to close the rig).

Pull up cordS as in more then one... Your gonna have to explain that one to me. You can only pull on one at a time anyway???


TomAiello


Dec 1, 2011, 6:01 AM
Post #24 of 58 (6398 views)
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Re: [nickfrey] Clamps. [In reply to] Can't Post

nickfrey wrote:
Pull up cordS as in more then one... Your gonna have to explain that one to me. You can only pull on one at a time anyway???

I leave the pull up cords in the loops until I am satisfied with how the pack job is sitting in the container. I have accidentally popped a pin once (and seen several other people do it as well) while shifting the rig around (I lifted the rig up and discovered I had my foot on the bridle). It takes less effort to fix that mistake if I still have the pull-up cord in place (because then the pack job hasn't fallen out onto the ground).

Also, I find it less disruptive to the pack job if I insert the pull-up cords before I position the canopy into the pack tray, because that way I am not digging under the packed canopy to find the closing loops. It's simpler to do this if I use two pull-up cords.


(This post was edited by TomAiello on Dec 1, 2011, 6:02 AM)


nickfrey


Dec 1, 2011, 5:59 PM
Post #25 of 58 (6299 views)
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Registered: Jun 1, 2006
Posts: 71

Re: [TomAiello] Clamps. [In reply to] Can't Post

Now I see how people have left pull up cords in the loops.

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