[Texascavers] Bustamante ...
This is an apology for all the Texas caver. In March on Spring convention, I was invite you to help me to explore and do the survey in Bustamante cave. Aimee talked with me and decide to help for Thanks giving day. Past the time we not have a communications, and the chief of the Secretary of tourism in Nuevo León, they have a political interest and stop our project, since August we can't continue our project. We don't want to tell you nothing, because, we working to obtain a new permission, and try to finish our reports. But is time and we not have that permission. Crash Kennedy ask me last week about the project and I told him the situation...he understand. But, Then Oscar Berrones ask me and he don't understand the reason. I know. I have a responsability with you and I'm shame for not to tell you in time, what happen with our project.. I was working with my partners.. and try to obtain a permission, without success.\ Jose Fernandez is our president of the ACEAC, I can't to decide the deal he made the project with. I have to wait an answer from him or from the new president, we have a elections in this month We have to wait. If you want to go to Bustamante, you can do it only at the touristic part... But, if you want to explore at the end of the cave, you have to obtain a permission. I'm so sorry. Please received my apology. Mónica Ponce. LCC. MÓNICA GRISSEL PONCE GONZÁLEZ Coordinadora de la Comisión Internacional de Técnicas y Materiales de la UIS Instructor Nacional Certificado de Espeleología por la FMAS Directora de MP- Mex Caving Asociación Coahuilense de Espeleología, A.C. (Fundadora) Asociación Italiana Geográfica La Venta (Socia) Centro de Estudios Kársticos La Venta (Socia) Grupo Espeleológico Vaxakmen, A.C. (Socia) Grupo Espeleológico EspeleoZots en Chetumal (Asesora) Grupo Pionero de Espeleología en Sonora (Asesora) Association for Mexican Cave Studies (Colaboradora) Texas Speleological Association (Socia) Unión Mexicana de Agrupaciones Espeleológicas (Socia) ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
Re: [Texascavers] Climbing device museum
The Texas Speleological Survey also has a modest museum of historic Texas and Mexico caving artifacts (artifacts from cavers, NOT from caves). Among our prizes are Michel Sifre's gear from his Beyond Time experiment in Midnight Cave. We always welcome more items from Texas caving history. Jim Kennedy TSS Office Manager cavercr...@gmail.com Mobile email from my iPhone > On Nov 8, 2014, at 6:33 PM, via Texascavers > wrote: > > Pete: > > I decided that the best place for my historic pieces of equipment is with > Garry Storrick. Until the NSS has an adequate museum, I think Gary is the > best repository. I am sure that, ultimately, they will go to the society. > > Dwight > > This is his entry (along with images) of my old climbing cam: (I cannot seem > to make his URL work this evening, although I have been there numerous times) > > Infernal Machine > Ascender built by Dwight Deal > > http://storrick.cnc.net/VerticalDevicesPage/Ascender/LeverCamPages/T1LeverCam235.html > > The Infernal Machine is an important piece in the history of climbing cams > that ultimately led to the Gibbs Ascender. The first significant step was > when Robert Henshaw and David Morehouse developed the first widely-publicized > type-a lever cam ascender in 1965 (the "Iowa Cams"), and simultaneously > introduce a very awkward ropewalker system. Dwight Deal soon modified the > design, but used his "Infernal Machine" in a more traditional Jumar-type > climbing system. The Infernal Machine that Dwight gave me differs from his > published design (Baltimore Grotto News, VIII, 7, pp 168-173, reprinted in > the 1965 Speleo Digest) by having only two choices for the cam pivot, not > three. His initial design had a hole closer to the cam face (which would give > it a very large cam angle), but Dwight found that the ascender would slip > down the main line when using that hole. On the other hand, using the distant > hole (with its very small cam angle) provided so much gripping force that the > Infernal Machine would jam. Dwight's 1965 experiments (on 9 mm. nylon) showed > that the hole locations were quite critical: moving them as little as 1.5 mm. > parallel to the cam face would change the performance noticeably. This would > change the cam angle, and with a smooth cam, the cam angle is critical. > > Incidentally, "SANDY R" stamped on this ascender is Sandy Renstrom, later > Dwight's wife. > > > From: "Lindsley, Pete" > To: "Jerry" > Cc: "Kunath, Carl" , "McNatt, Logan" > , "2 - Dwight on COMCAST" > Sent: Saturday, November 8, 2014 12:37:26 PM > Subject: Re: Tom Warden's early efforts to create a new ascending device : > > I had completely forgotten about this device. I don't recall ever seeing one, > and I don't recall if this was ever published. But it's a gem when you look > back on this from today's viewpoint. > > I recall making some cams just after Dwight made some based, I think on a PA > design, and each iteration actually worked better than the previous version. > These cams ultimately became the Gibbs design. Is there a caver museum for > this old equipment? I have several old devices that we tried building back in > the 60s. > > - Pete > ___ > Texascavers mailing list | http://texascavers.com > Texascavers@texascavers.com | Archives: > http://www.mail-archive.com/texascavers@texascavers.com/ > http://lists.texascavers.com/listinfo/texascavers ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
Re: [Texascavers] Cave Temperature
Mike, et al. -- That equation can't be right at all. Its rate of temperature change with elevation is about a factor of 3 too small, and the latitude dependence is clearly wrong. To get to freezing average (permafrost zone), you'd need to be at latitude 300 degrees. And anyway, given the cause of climate variation over the shape of the earth, one does not expect a linear relationship with latitude. At middle latitudes, change is closer to 1 degree C per degree of latitude. See http://commons.wikimedia.org/wiki/File:Annual_Average_Temperature_Map.jpg --Mixon Ack! Christmas decorations already. This might be a good time to spend a couple of months in Saudi Arabia. You may "reply" to the address this message (unless it's a TexasCavers list post) came from, but for long-term use, save: Personal: bmi...@alumni.uchicago.edu AMCS: a...@mexicancaves.org or sa...@mexicancaves.org ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
[Texascavers] Climbing device museum
Pete: I decided that the best place for my historic pieces of equipment is with Garry Storrick. Until the NSS has an adequate museum, I think Gary is the best repository. I am sure that, ultimately, they will go to the society. Dwight This is his entry (along with images) of my old climbing cam: (I cannot seem to make his URL work this evening, although I have been there numerous times) Infernal Machine Ascender built by Dwight Deal http://storrick.cnc.net/VerticalDevicesPage/Ascender/LeverCamPages/T1LeverCam235.html The Infernal Machine is an important piece in the history of climbing cams that ultimately led to the Gibbs Ascender . The first significant step was when Robert Henshaw and David Morehouse developed the first widely-publicized type-a lever cam ascender in 1965 (the "Iowa Cams"), and simultaneously introduce a very awkward ropewalker system. Dwight Deal soon modified the design, but used his "Infernal Machine" in a more traditional Jumar-type climbing system. The Infernal Machine that Dwight gave me differs from his published design ( Baltimore Grotto News, VIII, 7, pp 168-173 , reprinted in the 1965 Speleo Digest ) by having only two choices for the cam pivot, not three. His initial design had a hole closer to the cam face (which would give it a very large cam angle), but Dwight found that the ascender would slip down the main line when using that hole. On the other hand, using the distant hole (with its very small cam angle) provided so much gripping force that the Infernal Machine would jam. Dwight's 1965 experiments (on 9 mm. nylon) showed that the hole locations were quite critical: moving them as little as 1.5 mm. parallel to the cam face would change the performance noticeably. This would change the cam angle, and with a smooth cam, the cam angle is critical. Incidentally, "SANDY R" stamped on this ascender is Sandy Renstrom, later Dwight's wife. - Original Message - From: "Lindsley, Pete" To: "Jerry" Cc: "Kunath, Carl" , "McNatt, Logan" , "2 - Dwight on COMCAST" Sent: Saturday, November 8, 2014 12:37:26 PM Subject: Re: Tom Warden's early efforts to create a new ascending device : I had completely forgotten about this device. I don't recall ever seeing one, and I don't recall if this was ever published. But it's a gem when you look back on this from today's viewpoint. I recall making some cams just after Dwight made some based, I think on a PA design, and each iteration actually worked better than the previous version. These cams ultimately became the Gibbs design. Is there a caver museum for this old equipment? I have several old devices that we tried building back in the 60s. - Pete ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
[Texascavers] Cave Temperature
Somebody please set me straight. I see a problem with the equation below. Taken from "Buecher Final_Rpt_General Distribution.pdf" located in \SWR FOIA\roswell fo\Mike Bilbo\Documents with WNS Reference Caves temperatures generally reflect the mean annual surface temperature (MAST) of the region in which they are located (Fig. 1 - Moore and Sullivan 1997). This can be generally quantified as: Cave Temp (Co) = 38 - 0.06 L – 0.002 h with L = latitude in degrees and h = elevation in meters This equation appears to be wrong in my opinion. It is still a bit too high if you change it to: Cave Temp (C) = 18 - 0.06L – 0.002 h Mike mikef...@att.net ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
Re: [Texascavers] Texas Cavers online
Anybody who wants them needs to download 9 very large zip files: http://www.mflan.com/temp/1.zip http://www.mflan.com/temp/2.zip http://www.mflan.com/temp/3.zip http://www.mflan.com/temp/4.zip http://www.mflan.com/temp/5.zip http://www.mflan.com/temp/6.zip http://www.mflan.com/temp/7.zip http://www.mflan.com/temp/8.zip http://www.mflan.com/temp/9.zip Let me know if any of these don't work. These will be taken down in a week or 2, so get them soon if you want them. Mike On 11/8/2014 11:00 AM, via Texascavers wrote: I would love a copy. Mike Harris mhar...@schertz.com Bexar Grotto ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
[Texascavers] Jeep for sale
I saw this on the side of the road in the town of Cypress, TX https://www.dropbox.com/s/1ryqd2o6da75f2z/IMAG0447.jpg?dl=0 They think it is worth $ 15 grand. It has been off-road quite a bit by the looks underneath. But has not passed inspection for 15 months. Call 832-483-2279 I do not need this much ground clearance. Do you ? Does not have rear window, and rain is or has been getting in. ___ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
