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Czech Climbing

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	Books

Ostaš Bouldertopo 2026: nové vydání + spuštěný předprodej
Slovenské průvodce
Vyšla nejnovější kniha Reinholda Messnera Symboly


	Competitions

SP Bern (22.05)
SP Madrid (28.05)
SP Praha (04.06)


	Ranking

Cesty:
1.Šindel 12928
2.Votoček 12750
3.Širůčková 11897

Bouldry:
1.Ondra 11434
2.Volf 11328
3.Trojan 11200

Hory:
1.Sejbal 8201
2.Groš 7924
3.Skopec 7183


	Results

ČP v lezení na obtížnost Brno (25.04)
Petrohradské Padání (24.04)
MČR v ledolezení na obtížnost (07.03)


	Diary

5928 lezců
1221702 cest

Nové přelezy:
Drakunda 8+/9-
Skleroza 7b+
Auswärtssp 8+/9-
Nullkomman 9+/10-
Triebwerke 10
Les Beaufs 7b
Hydraulika 7C
Halloween Xc
Bumerang 9+
Člověk Bez XIa


	Indoors

Lezecká stěna Jičín - Jičín
Boulder bar Točna - Jihlava
Lezecké centrum na Dlouhém Mostě - Dlouhý Most


	Shops

SAMBAR sport Kladno - Kladno - Kročehlavy
Keen Concept Store - Palác Flóra - Praha 3
Green sport s.r.o. - Uherské Hradiště


	Contact

REDAKCE:
standa

lezec.cz
ŠÉFREDAKTOR:
jirkas

lezec.cz
INZERCE:
standa

lezec.cz
IT:
hop

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Brief <img src=fotos/clanky04/c041119_.jpg border=0 align=right>The firm research language says: The goal of this project
Text is to enable a multi-limbed robot to climb vertical rock, using skills and techniques similar to those developed by human climbers. In particular, I want the robot to <i>free-climb</i> (i.e., use only natural features and friction of the terrain for upward progress) rather than <i>aid-climb</i> (i.e., rely on additional gear for progress). <CENTER><IMG src="fotos/clanky04/c041119a.jpg" border=0></CENTER> <CENTER><I><FONT color=braun> Lemur – robot-climber </FONT></I></CENTER> The reality is much more interesting namely if readers are climbers. What amazing machine is doing the same movements as we do to reach a hold/top. This vertical domain was designated for some species like lizards and monkeys so far. But now first small step for slow robot has been done and maybe one giant leap for mankind. At least it could be a big leap for climbers. The robot has the name <b>Lemur</b> was created by Timothy Wolfe Bretl. Lemur climbs just vertical faces so far but Timothy claims that overhanging parts are not beyond the possibility of the robot. Is not a fundamental limitation of the hardware. It is actually a control problem. In order to climb overhangs, the robot needs to be able to control the forces it applies to holds, as while as its posture. We haven't implemented that capability yet. (My software can already plan motions across overhanging rock.) Concerning holds: basically, the robot can use any hold a human would be able to, with one finger. <CENTER><IMG src="fotos/clanky04/c041119b.jpg" border=0></CENTER> <CENTER><I><FONT color=braun>Timothy with his front-runner Lemur </FONT></I></CENTER> Here you can download a video of Lemur IIb<a href=fotos/video/lemur.mpg><img src=images/movie.gif border=0> Download the video (6,5 Mb)</a>. Video is in mpeg format. <CENTER><IMG src="fotos/clanky04/c041119c.jpg" border=0></CENTER> <CENTER><I><FONT color=braun> Timothy performing a classic back-step move at Castle Rock State Park, CA.</FONT></I></CENTER> <CENTER><IMG src="fotos/clanky04/c041119d.gif" border=0></CENTER> <CENTER><I><FONT color=braun> Study of force influence </FONT></I></CENTER> <CENTER><IMG src="fotos/clanky04/c041119e.jpg" border=0></CENTER> <CENTER><I><FONT color=braun> Comparison of a human climber and a robot </FONT></I></CENTER> Here you can see more detailed information concerning Lemur at Timothy's web page <a href=http://sun-valley.stanford.edu/~tbretl/index.html Target=_blank><b> Timothy Wolfe Bretl </b></a>
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