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CMI "Hyper Rack" 

descending_tools/cmi hyperrack.jpg
Image courtesy New Tribe
descending_tools/cmi hyperrack.jpg

User reviews

Average user rating from: 2 user(s)

Overall rating (weighted)
3.6
Type of Use
2.0
Frequency of Use
2.0
Durability
5.0
Technical Skill Required
2.5
Ease of Use
2.5
Safety
4.0
Strength
4.5
Portability
3.0
 

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0 of 0 people found the following review helpful

Desi Mora
Desdending Racks", Thursday, 13 December 2007

Written by Desi Mora   -  View all my reviews  - #1 Reviewer

Overall rating (weighted)
3.5
Type of Use
1.0
Frequency of Use
1.0
Durability
5.0
Technical Skill Required
4.0
Ease of Use
2.0
Safety
4.0
Strength
4.0
Portability
2.0
After reading the other reviews on the "Hyper Rack" and looked at the two aluminum racks that I own and I tried to figure out when was the last time I used either one and the reason why they are not used more often. First, the trees I climb are rather short at about 75 feet tall so there is not that much opportunity to use them and second reason they are rather heavy at about 2 pounds each. I got these racks from a friend Caver that donated them to me. They look in perfect conditions after a few years of use they are rather heavy and therefore the main reason for me not using them regularly. I think that If a climber does more frequent SRT climbs on fairly tall tree this would be an ideal tool to have available. I prefer the Gri-gri for my climbs. The racks are reasonably priced and easy to order from many on-line gear suppliers but I personally do not use them that much.
Last updated: Tuesday, 18 December 2007

0 of 0 people found the following review helpful

Versatile and strong, Wednesday, 28 November 2007

Written by Mark Fulton   -  View all my reviews  - Top 10 Reviewer

Overall rating (weighted)
3.7
Type of Use
3.0
Frequency of Use
3.0
Durability
5.0
Technical Skill Required
1.0
Ease of Use
3.0
Safety
4.0
Strength
5.0
Portability
4.0
I've been using this a lot since last May for SRT descending during research climbs in tall white pines. Typically, I have it rigged as a "spider rappel", with a prussik safety below the rack, so that it is quick and easy to stop and start for sampling in the canopy.

I can't compare this to other racks - I haven't used any - but this is now my favorite tool for rappeling (I've used a gri-gri and a figure 8 a fair amount). It's not too heavy, and it is more than adequate for the slides of 80-120 feet I've been doing lately, on either Blaze rope or NE Safety Blue. For my weight (ca. 210-220), I need to run the control end of the rope over the hyperbar. The design has all the right features for a small rack: a single hyperbar at the top for extra friction, oversized bars for the top 2 positions (these have to absorb the most heat), and enough length to accomodate different sized ropes. Even a somewhat quick rappel doesn't seem to overheat the bars. The U-shape of the frame precludes adding or subtracting bars while on rappel, but I don't consider this to be a big issue for the moderate-length slides that tree climbers are likely to do. The U-shape does give plenty of strength combined with light weight. The low/medium scores on technical skill and ease of use etc. are due to the unforgiving nature of any rappel device, particularly one without a built-in autostop.

No rope twist on this kind of device, it's hard to overheat, it's fairly versatile for the range of climbs I'm likely to engage in, and the construction is more or less bombproof. I'm no longer in the market for a rappel device.


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