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Underwater Speleology UNDERWATER SPELEOLOGY \ OLL ,\E q \;LMBER ;:OUR '.':~--~ ( ~.>- .. ~~ UNDERWATER SPElEOlOGY EX E CUT I V E COMMITTEE Published Bimonthly Beginning in February CHAIRPERSON TRAINING DIRECTOR William Fehring ",;SS 19(1-9, Forrest M. Wilson INSS 1(,(>311 3508 Hollow Oak Place 2832 Concord Dr. by Brandon. FL 33511 Dec'Hur. Ga. 30033 The Cave Diving Section of VICE~CHAIRPERSON TREASURER The National Speleological Society Stephen E. Hudson Stephen D. Maegerlen ,"5$ 8340) 893 Cedar Creek North p.o. Box 60 Deadline ior publication is the second Friday 0; the S.E. Mariena. Ga. 30067 Williams. In. 47470 preceding month. Send exchange publications. ar­ tides and editorial correspondence to the editor: SECRETARY EDITOR Steven R. Straatsma John L. Zumrick. Jr .. (N5S 157861 John Zumrick 3501 Santa Anita Ct. Apt. 290 120 Rusty Gans Dr. 120 Rusty Gans Dr. Tampa. FI. 33614 Panama City Beach. FI. 32407 Panama City Beach. Florida 32407 Section membership. which includes a subscription PROGRAM COORDINATORS: 10 Underwater Speleology is open to all members in PUBLICATIONS ............................. Sheck Exley good standing or the National Speleological Society MEMBERSHiP ••..........................• Sandy Fehring at $5.00 per year. Subscriptions to non-members is SLIDE PRESENTATIONS •.•..............•. Wayne Marshall $7.00 per year. When making application for SAFETY ................ , .......... Tom Cook. Wes Skiles membership or requesting subscription information ACCIDENT INVESTIGATIONS ......•..... Mary Ellen Eckhoff <;ontact: CAVE RESCUE .......................... Henry Nicholson Stephen D ..'-'13egerlen .'::':- t"\un CAVE FILES ................................. Bill Sinclair P,O. Box 60 VISITING DIVERS .... , ........................ Roy Bailey \\'illiams. In. ·F·FO CARTOGRAPHY ............................. Sheck Exley RESEARCH ................................. Karen Wark Make <;hecks payable to the NSS Cave Diving Sec­ CONSERVATION .• , ••................... Dennis Williams tion in <;are of the Treasurer. Opinions expressed in A!lE DAVIS AWARD ......................... India Young Underwater Speleology are not necessarily those of WORKSHOP ........................... Shannon Heinerth the 'se<;tion or the NSS. (' COVER: Diver nears the bottom of the entrance Branford, Florida, November 25-28. For in- shaft in DiePolder. Sink Number 3. See the formation contact Forrest Wilson, 2832 Con- story of Sandy Hills Ranch;' Cave Diver's cord Dr•• Decatur, Georgia 30033. Nirvana, in this issue. Photograph by S'eve Straatsma. NOMINATIONS SOUGHT REMEMBER: 5th Annual TAG FaUCa';e-In, Oct­ Shortly. each current member of the NSS ober 15-17 at Sequoyah Caverns, Valley Head, Ca ve Di ving Section will be sent a copy of Alabama. There promises to be a lot of ca ve the proposed new Section constitution and a di vers there too as present. plans call for ballot to vote on its acceptance and also for ha ving the fall Executi ve Committee' meeting the new executi ve committee for 1983. during this event.' The current· executi ve committee is now .'.:.," seeking your nominations for chairman, vice­ COMING: The next edition of Underwater, Spele­ chairman. secretary, treasurer, training di­ ologY. will include articles on the use . of rector. and newlettereditor. If you would diver' propulsion vehicles in cave diving and like to nominate someone for these important on the reopening of DiePolders Sinks to div­ positions. contact Bill Fehring, 122 Hollow ing. Oak Place, Brandon, Florida 33511. Be sure and contact your nominee first to see if 91ij!l!!i; or she will be willing to serve. If y&lilhH~ INSTRUCTOR INSTITUTE: An NSS-CDS Institute to would like to serve in any of these capaci­ qualify participants as Cavern, Basic Cave, ties. please feel free to nominate yourself. and Cave Diving Instructors will be held in 38 Underwater Speleology Vo1.9, No.4 EVERY DANGLE IS A POTENTIAL TANGLE AND CAVE DESTROYER Roger Werner Have you ever heard a diver boast about in Devil's Eye, where there is a crust on the how much redundant equipment he carries? mud the damage will probably be permanent. "When we dive we carry pony bottles, two The same applies for knocking rocks and snow reels each and fifteen lights between us!" off the ceiling onto the untouched silt Sound safe? Maybe, maybe not. With addi­ floor. tional equipment frequently come additional entanglement hazards. The purpose of this This article is aimed not only at new cave article is not to suggest that redundant e­ divers. but at many experienced cavers who quipment is dangerous, certainly only one of apparently have not paid much attention to everything is worse, but rather to point out their danglies. Cave diving has grown so ra­ that additional equipment can add hazards as pidly in the last ten years, that if we don't well as increase safety. In particular, the become more aware of the permenent damage problems of danglies (hanging equipment) and done by danglies, perhaps in ten more years their solutions are addressed. Besides dis­ all tunnels will look like the first few hun­ seminating my own thoughts on the subject, I dred feet of Orange Grove • . hope to spur an exchange of ideas. ( Lights: Many lights can be well secured to a Every time a new piece of equipment is ad­ tank with a rubber band cut from an old tire ded or an equipment configuration is changed, inner tube of appropriate size as shown in one should be concerned with danglies. Not figure 1. For the light of appropriate size only will they drag in the silt, but they and shape perhaps· three or four could be se­ will reach out and grab the line and catch in cured in one place on the tanks in this man­ cracks. ner without inducing a significant entangle­ ment hazard or significant extra drag. One Perhaps you only dive in large tunnels should beware that these rubber bands can where there is no entanglement hazard. It is still amazing how much damage dangling equip­ ment will do to the cave. When a dangly drags in the silt, the reduction in visibili­ ty is localized and only temporary. Hopeful­ ly, all cave diVers can live with that. However, the damage to the floor of the cave·· may be permanent. To myself. one of the most· enjoyable experiences in cave diving has been the penetration of a virgin or near-virgin J-----+-+-----\n~ '" passage with an undisturbed silt floor, like newly fallen snow, before anybody has walked through it. It is incredible how much damage a diver with danglies and otherwise good technique can do to such a passage by swim- Figure 1. Light secured to tanks ~mil!W.ing through it only once. In a light fluffy· wi th rubber band. a.Light is also \\iill>ilt floor, the damage may be 80 to 90 per­ clipped to a ring mounted on the cent repaired in one to two years. In a mud ta.nks. floor like that in the Orange Grove tunnel or 39 :, ;,<~ : ..' \ .. 1•... ,." ,_. n (\erw a ter S peleology Vol. 9, No.4 COil'le,;'f 'In,'! 'll':l~' break occasionally. llnder I nu drcumstnaces should one's life depend on he ruhber band, or llny other single piece of t. .~qai.;Jment for that matter. A break, though ~ .. inconvenient, should be tolerable. When cutting rubber bands, one should be cllreful to cut the bands with smooth edges and of uniform width (figure 2). It is very easy to get a ragged edge, shown in figure 2b. if one is not very careful with the tin snips. If these "hanging nails" are not Figure 3. Cut wedges between trimmed. they will grow and the band will e~ bands. aavoid areas where the -ventually break at one of them.' Wedges tube is already rotting. should be cut from the tube between each band. as shown in figure 3. Figure 2c shows a rubber band of uneven width. Most of the Surgical rubber tubing can also used to stretching will be at the narrowest area, and secure lights. Figure 4 shows a light the band will probably break there. I have secured to a shoulder strap using rubber found it necessary to cut a wedge for each tubing. band cut from the tubes to get good bands. One can follow tube molding marks to make Some lights can be made to dangle with certain one is truly cutting radially. Rub~ less radius by securing a clip to them using ber band strength can be changed by varying a hose clamp rather than using the lamp's band width. Band lifetime will be a function provided lanyard -hole, as shown in figure 5. of the quality of the tube from which it W8,S cut, it's uniformity, and the smoothness of the edges. ring mounted on strap ~ --- Shoulder-strap c~ip~ (side view) r1.ng ~ ~rubber tubing passed through hole in strap and secured on other side. Figure 4. Light secured to strap using Figure 2. Right (a) and wrong (b, c) rubber tubing. ways to cut rubber bands. bahang nail due to sloppy cutting. narrow area -- a wedge should be cut out of this band to reduce it to uniform Lanyard width all around. possible line tangle Rubber bands have disadvantages. The area ,It' underneath the band will remain wet for long periorts. Though fresh water does not result in significant corrosion, salt water may pose a problem. Bands occasionally slip off or break. Finally, they dont look professional. This. however, is counterbalanced somewhat by Figure 5. Light made to dangle with less ha ving equipment secured properly, certainly radius by attaching clip with hose clamp. more professional than letting them dangle. 40 - ----- ----------------------. Underwater Speleology Vo1.9, No.4 Cross section of ring ( of attached clip C-lite handle (end view) t Figure 6. Where to push on an unshaped hose clamp to make it loose. Figure 8. Protection of ring and S­ link line trap areas with heat shrink.
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