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#112102 - 11/10/07 12:22 AM Re: A Word of Caution [Re: dchinell]
Hikin_Jim Offline
Sheriff
Pooh-Bah

Registered: 10/12/07
Posts: 1804
Loc: Southern California
Thanks for the link; I'll check it out. Amazing what you can find on these forums. God bless you!
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#112158 - 11/10/07 08:43 PM Re: A Word of Caution [Re: dchinell]
frenchy Offline
Veteran

Registered: 12/18/02
Posts: 1320
Loc: France
thanks.
Will check that forum...
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#112166 - 11/10/07 10:04 PM Re: A Word of Caution [Re: frenchy]
aardvark Offline
Member

Registered: 03/11/06
Posts: 109
Loc: So. California
Keep in mind that the geometry of the hammock will play a large role in the forces that the ropes will need to hold. The tension goes up with 1/sin of the angle. So as the hammock gets straighter, the tension goes up a lot.

For example, if the ropes are straight up and down (like a swing) then each one takes 50% your weight. If the angle of the rope to the horizontal is 45 deg then each rope takes 70%, at 30 deg each rope takes 100% weight. At 20 deg it's 150% and at 10 deg it's 300%~! If the angle is zero, in theory the tension is infinite.

So it may not be a good idea to tension the hammock support ropes too much with an inline knot. Remember this is your life you're supporting. I read about a guy who died when his friend jumped on him in a hammock, the rope at the head end broke and he landed on his head, breaking his neck.

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#112228 - 11/11/07 04:12 PM Re: A Word of Caution [Re: aardvark]
Hikin_Jim Offline
Sheriff
Pooh-Bah

Registered: 10/12/07
Posts: 1804
Loc: Southern California
Interesting. Thanks for the math.

I'm usually just trying to get enough tension so that the hammock doesn't scrape the ground when I get in, but I'll keep in mind that the more tension, the more stress on the ropes -- greater than even my body weight. I hadn't really thought of it. Thanks again.

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#112251 - 11/12/07 12:24 AM Re: Opinions wanted on Hennessy Hammocks [Re: ]
TomSwango Offline
Journeyman

Registered: 10/26/02
Posts: 67
I have owned about 6 or 7 of them over the years and I love them. No complaints.

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#112255 - 11/12/07 01:28 AM Re: Opinions wanted on Hennessy Hammocks [Re: TomSwango]
Hikin_Jim Offline
Sheriff
Pooh-Bah

Registered: 10/12/07
Posts: 1804
Loc: Southern California
Originally Posted By: TomSwango
I have owned about 6 or 7 of them over the years and I love them. No complaints.


So, do you have a good trick to get good tension in the support line?
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#112273 - 11/12/07 03:25 AM Re: Opinions wanted on Hennessy Hammocks [Re: TomSwango]
OldBaldGuy Offline
Geezer

Registered: 09/30/01
Posts: 5695
Loc: Former AFB in CA, recouping fr...
I've gotta ask, why six or seven of them? Do you wear them out, upgrade to a new model, give them away, or what???
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#112386 - 11/13/07 06:13 PM Re: Opinions wanted on Hennessy Hammocks [Re: OldBaldGuy]
Hikin_Jim Offline
Sheriff
Pooh-Bah

Registered: 10/12/07
Posts: 1804
Loc: Southern California
I was kind of curious about that myself.

If one were doing adventure racing type stuff, the Hennesssies would wear fast. Otherwise I would think they'd last longer.

Of course, if left in the sun (say you kept it up during the day a lot), nylon degrades quickly.
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#112920 - 11/19/07 04:11 AM Re: Opinions wanted on Hennessy Hammocks [Re: ]
SwampDonkey Offline
Veteran

Registered: 07/08/07
Posts: 1268
Loc: Northeastern Ontario, Canada
Hi Hacksaw,

I have being "swing on the edge" about buying a Hennesy Hammock and after reading this thread again I went back to check out the HH website.

Good news, as a Christmas on-line special when you order any hammock you get a free Hex Tarp, t-shirt and shipping! That was enough to convince me to try one, I ordered it today (guess what the family is giving me for Christmas).

I had also sent an e-mail yesterday evening to HH inquiring on shipping and what size Snakeskins to use with the hex tarp (answer, the hex tarp is too large to fit in the Snakeskins), I recieved a nice reply almost immediately.

Looking forward to trying it out in the spring,

Mike

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#112986 - 11/19/07 09:12 PM Re: Opinions wanted on Hennessy Hammocks [Re: SwampDonkey]
Hikin_Jim Offline
Sheriff
Pooh-Bah

Registered: 10/12/07
Posts: 1804
Loc: Southern California
Let us know how it goes when you try it out.
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