A Gibbs-style ascender. The next level of device development improved on the locking limitations of the prusik sling by utilizing a cam that is activated by the climber's body moving down to rotate the simple grab cam inside a rigid frame.

Early versions of the cam systems used a Gibbs-style type 1 ascender placed in an inverted position attached to a soloer's sit harness opposite to the manufacturer's intended use.

The combination of a climber's body position in a fall and friction between the ascender frame and the rope provides the activating leverage for the cam to grab the rope.

The Wren Industries ' Soloist '. A big improvement over the Gibbs-style type 1 ascender was the design of the Wren Industries ' Soloist ' - the device incorporates a floating cam that is activated by the relative position of the rope to the device frame, with the frame secured between a user's sit harness and a chest harness.

When specified in typographic sizes ( points, kyus ), the height of an em-square, an invisible box which is typically a bit larger than the distance from the tallest ascender to the lowest descender, is scaled to equal the specified size.

The modern digraph th began to grow in popularity during the 14th century ; at the same time, the shape of thorn grew less distinctive, with the letter losing its ascender ( becoming similar in appearance to the old wynn (), which had fallen out of use by 1300 ) and, in some hands, such as that of the scribe of the unique mid-15th century manuscript of The Boke of Margery Kempe, ultimately becoming indistinguishable from the letter Y.

There also exist specialized ligatures for italics, such as a curl atop the s which reaches the ascender of the p in sp.

The ascender of the þ was reduced ( making it similar to the Old English letter Wynn, ), which necessitated writing a small t above the letter to abbreviate the word that ( ).

Another type of ascender allows rope to feed in either direction, slowly, but locks up when pulled quickly.

; < span id =" ascender "> Ascender </ span >: A device for ascending on a rope.

An ascender is a mechanical device used for ascending on a rope.

What looks like one stroke was actually a wedge pointing downward, whose widest part was at that height ( x-height ), and capped by a second stroke forming an ascender curling to the right.

Other features of the script include an open-top a ( very similar to the letter u ), similar shapes for the letters r and s, and a long letter i resembling the letter l. There are two forms of the letter d, one with a straight vertical ascender, and another with an ascender slanting towards the left.

These are made up of one ascender and one tracker.

For climbing on a fixed rope attached, for example, to snow anchors on a steep slope, only one ascender is used, keeping the other hand free for holding an ice axe.

The pilcrow is usually drawn similar to a lowercase q reaching from descender to ascender height ; the loop can be filled or unfilled.

The letter d often appears in an uncial form, with an ascender slanting to the left, but the letter g is essentially the same as the modern minuscule letter, rather than the previously common uncial g. Ascenders are usually ' clubbed '— i. e., they become thicker near the top.

* 125px a p with an intersection at the stem ( ascender ),

Each bar can either be short and centred ( known as a tracker ), medium and elevated ( an ascender ), medium and lowered ( a descender ), or full height.

The final version of the orbital ascender can also employ refractory materials on the wing leading edge to reduce thermal wear.

Many early sport routes were bolted on lead by the first ascender: a " traditional " approach.

The United States has a strong history of traditional climbing, especially at certain crags, and considerable value is placed on routes staying as they were done by the first ascender.

Juesi was studying eagles for the Swiss government and needed to ascend on ropes in order to perform his work, so Marti developed the ascender for him.

Parts of other letters are based on minims as well: when a minim is extended above the line, it becomes an ascender, as in the letters d and b, and when it is extended below the line, it becomes a descender, as in the letters p and q.

In 1958, two Swiss alpinists, Juesi and Marti teamed together, creating the first rope ascender known as the Jumar.

# To ascend a rope using a mechanical ascender.

To prevent an ascender from accidentally coming off the rope, a locking mechanism or trigger is deployed.

The ascender is first attached to the climber's harness by a piece of webbing or sling, and then is clipped onto the rope and locked.

French caver Fernand Petzl developed a mechanical rope ascender in 1968, and his company Petzl continues to produce both handled and handleless models that are popular with mountaineers and cavers today.

Also developed in the 1990s was a modification of Fernand Petzl's initial rope ascender design.

* similarly related is the form of the letter d when followed by a letter with a bow ; its ascender is then curved to the left, like the uncial d. Otherwise the ascender is vertical.

The lowercase letter p — In italic type, this lowercase letter often has a half-way ascender as the vertical extension of the descender.

A thorn with the ascender crossed ( Ꝥ ) was a popular abbreviation for the word that.

It has uncial features as well, such as the ascender of the letter d slanting to the left, and vertical initial strokes of m and n.

The ascender of the Rockwell " t " is also cut at a sharp angle not to be found in the Stymie typeface.

For fonts within a specific font weight, caps height, x-height, ascender and descender heights are the same.

# A type of mechanical ascender.

JP Aerospace ’ s US patent # 7614586 identifies the orbital ascender ’ s propulsion system as chemical and / or electric rockets.

It will be necessary for all ATO system components to achieve comparably low total density while still transferring sufficient propellant and payload for the orbital ascender to ultimately achieve orbit, or the system components will not have the necessary buoyancy to attain the altitudes stated by JP Aerospace.

A Jumar employs a cam which allows the device to slide freely in one direction but tightly grip the rope when pulled on in the opposite direction.

3-Stage VTEC is a version that employs 3 different cam profiles to control intake valve timing and lift.

However, its short-recoil operating and barrel locking system employs a diagonal cam on the rear of the barrel sliding against a diagonal receiver-mounted groove to rotate the barrel, much like that of the Austro-Hungarian Steyr M1912 pistol, not the " swinging link and pin " of the Colt M1911 series.