surveyor
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Everything posted by surveyor
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Creeping or slipping is no good. I have used it with the KMIII and it needed a larger dia. roller on the bottom arm to function properly. I know that bing uses an O rig set up with it on a doubled rope (tachyon) with just two arms. Here is an idea for the O rig that is easily installed.
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Ben, yes, to remove the top arm, I use a plier and squeeze the retaining clip off the slotted pin (just remember to align the clip and the slots before squeezing it back on if you reinstall the top arm later). Then remove the side plate and aluminum arm on that same side and remove the single pin, top attach point, and the rest of the top arm. You will be left with a top attach point that has 5/16" holes, rather than the 9/16" hole, which means you will have to put a 5/16" shackle through the top attach point in order to have something to clip into there. Thanks, Gordon
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Hmmm, it might shoot a potato through the reducer. : )
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Ok here is the video. [ame=http://www.youtube.com/watch?v=9WEO0Kp6ZyQ]Air Cannon - YouTube[/ame]
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I made an Air powered cannon yesterday. It shoots a rubber handball approx. 200' straight up into the air and makes an impressive FWHOOOMP! sound as it fires off. A lady was walking down the road in front of our yard as the boys and I where launching a shot, and exclaimed "Oh Wow!" when it fired. video to follow. The launch ball also acts as the quick release ball valve.
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I think it says from one source that you can select from 3 different strength charges that yield 40, 60 or 80 yards without a line attached. Andy beat me to it.
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Lucky Line Launcher, looks useful. Line Launcher - Cascade Rescue Company
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Back to the drawing board with the hyper sling being used as a throwline launcher, not enough ooomph. However, my dog is saying oh boy! oh boy! oh boy!
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I just made the throw ball. It helps to fill the ball with silicone sealant or goop glue before inserting the wire clip with tied loop attached. It may be better to just have a short line attached to the ball in this way rather than a loop.
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I ordered the sling also. I hope to use it with a rubber handball as the the throw weight. Maybe force a spring clip, tied to a short throwline loop, into a small cut in the ball, then clip in to my target line with that. I figure if that does not work out my dog will be a happy camper anyway!
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Looks like I will be sending my Bulldog demo OAR to you Dan. As I stated in my PM, the Bulldog is configurable to 2, 3 or 4 arms. Even the roller size is interchangable, and Bing has made his rollers into sheaves. For myself, I like the 3 arm OAR best, as this works well on Tachyon with my weight (75kg) for both SRT and DdRT.
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Hello Dan, yes i can ship worldwide. Gordon (off to work for now, check in later)
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I have the four arm demo OAR (above right, in the picture above) available to anyone who would like to try it. This four arm OAR can be dissembled and converted to the two arm OAR like Bing uses for DdRT. The four arm OAR is intended for use SRT on 1/2" or 7/16" rope. Please just send postage (25.00) to cover my shipping costs, and then ship it back when you are done giving it a test. Thanks, Gordon
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Slack tending a hitch climber? (not the obvious way)
surveyor replied to YoGi_93's topic in Climbers talk
Well.... my wife is a very tolerant woman. The picture was taken about 20' from my shop/office and there is a well worn path between. My two youngest seem to enjoy the gadgets I bring home and have even climbed with them a bit now and again. -
Slack tending a hitch climber? (not the obvious way)
surveyor replied to YoGi_93's topic in Climbers talk
I have a tibloc that I ground all the inner teeth off the inside surface to see if it would work as a mini hitch hiker. I doubt it would work to hold in an O rig setup, but if I get a chance I will try it out and see. -
Neat pictures, and tidy tether. Glad the Dogbone is working for you. Gordon
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Or how about a thimble built right in to the tether end of the rope wrench, that way the tether to the hitch climber could be fastened around the thimble, and a carabiner could be clipped through the thimble to pull the RW along as normal.
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Yes, the handled OAR is an 8" long by 1/2" carriage bolt, with about 4" sticking out both sides, with 4" by 1/2" PVC slip covers treaded on with a nut. I sent it out today for another rec climber to try out on his tachyon rope.
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Bing I took your advice and made the attach points from a larger link with a bored out hole, so that the biner will attach directly to the OAR. The ANSI size 80 roller links are some tough steel as my cobalt drill bit will hardly touch them, and a chain saw file just barely grates. Notice also that the master chain links have been treated with black oxide for corrosion resistance.
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Here is a video of the OAR being used with a 265 lb. weigh suspended on Imori line.
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Sirnick, with 250 lbs + gear it is likely you will need a fourth rack arm on the OAR. I have the OAR working with an even narrower rope (KM III), but it requires 4 rack arms. I plan on doing testing with your Imori and an inline scale to determine if it will release smoothly with your weight.
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Paul I would tend to agree, however it may have certain advantages, one being that the weight of the tail rope would not cause it to continue to descend.
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Do you have the wrap in place and then squeeze the handles together? If so, do you hold tension on the tail of the rope also? Gordon
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I found the patent which is dated Dec 2011, and while it is functionally very much the same as my Pulley Rack design, It has not been influenced by mine, because I did not show my design publically until March of 2012. Their patent does not explicitly state that it can be used SRT, but my design definatly can be. IMO the OAR I have shown is more versitle (midline) and has very minimal sitback. Time will tell. Petzl if you are watching, I have another idea kicking around concerning rope devices : )
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Experimenting I see, cheeky lad. : ) One of the nice features of the OAR is its almost instant grip when weighted. Does it release nicely with the smaller roller, no creeping? Do you have pics or video of your setup? The OAR works very well for me on Tachyon (This was the first arborist rope I had, Thanks Tom D.)
