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Parni katapult

Napisano na dan: 28.10.2008

Parni katapult

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Djokkinen Poslao: 28 Okt 2008 21:48 Idi na vrh
offline Djokkinen Mod u pemziji Pridružio: 07 Jul 2007 Poruke: 3955 Gde živiš: Ruma	0Niko još nije pohvalio poruku. Registruj se da bi pohvalio/la poruku! Mogao sam ovu temu da bacim i pod Ostalo/Oduvek ste hteli da znate... ali smatram da će u ovoj temi biti malo više pitanja i podpitanja... Naime, mene interesuje kako funkcioniše parni katapult na američkim (pa mogu da kažem i na francuskim) nosačim aviona? Znam da npr. kod F-14 cela hidraulika prednjeg stajnog trapa pada dole, neka "kuka" upada preko onog klizača koji se nalazi na gornjoj strani knala parnog katapulta a da mehaničari na palubi pričvrste neku šipku sa zadnje strane prednje stajnog trapa... Šeme, crteži su više nego poželjni...

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Registruj se da bi učestvovao u diskusiji. Registrovanim korisnicima se NE prikazuju reklame unutar poruka.

Toni Poslao: 28 Okt 2008 22:05 Idi na vrh
offline Toni SuperModerator Pridružio: 18 Jun 2008 Poruke: 31776	0Niko još nije pohvalio poruku. Registruj se da bi pohvalio/la poruku! Uloguj se preko Facebooka da bi video sliku: In a modern U.S. Navy catapult, high-pressure steam (, admitted through the launch valve (7), propels a piston (6) to which the shuttle that pulls the tow rope (3) is attached. When the plane reaches the end of the runway (2) and leaves the flight deck (1), a water-brake (5) stops the piston, and bring-back mechanisms (4, 9) reset the catapult for the next launch. STEAM CATAPULTS Steam catapults are steam powered and direct drive. In this chapter we describe the basic design of the steam catapult, while presenting some of the major differences in the various modifications of the steam catapult. When you complete this chapter you should be able to do the following: · State the functions of the various catapult systems and their controls. · Describe the operation of the integrated catapult control station (ICCS) monitor control console. • Explain the operation and functions of the C-13/C-13-1 hydraulic charging panel. • Describe procedures for operating and monitoring the linear and rotary retraction engines. STEAM-POWERED CATAPULTS Steam is the principal source of energy and is supplied to the catapults by the ship’s boilers, The steam is drawn from the ship’s boilers to the catapult steam receivers or accumulator, where it is stored at the desired pressure. From the receivers/accumulator, it is directed to the launching valves, and provides the energy to launch aircraft. The most significant differences between the various types of steam catapults are the length and capacity. See table 4-1 for the differences. DESCRIPTION OF OPERATION A steam fill-valve system controls the amount of steam from the ship’s boilers to either the dry-steam receivers or the wet-steam accumulator, depending on your ship’s catapult steam system. Steam from the steam receivers/accumulator is then released into the launching engine cylinders through a set of launch valves (the amount of steam used is varied by a capacity selector valve [CSV] assembly that controls the launch valve opening rate). This surge of steam acts on a set of steam pistons inside the launching engine cylinders. These pistons are connected to a shuttle that is attached to an aircraft (see fig. 4-1). The force of the steam being released from the steam receivers/accumulator pushes the pistons forward, towing the shuttle and aircraft at an increasing speed until aircraft take-off is accomplished. The shuttle and steam pistons are stopped at the end of their “power stroke” as a tapered spear (figs. 4-1 and 4-2) enters a set of water-filled cylinders, forcing the water to be “metered” out of the cylinders as the tapered spear moves into them. After the shuttle and pistons have been stopped, a grab is advanced forward along the catapult trough covers by means of the retraction engine, and attaches to the shuttle assembly. The retraction engine is then reversed and returns the grab, shuttle, and piston assembly to the battery position in preparation for the next aircraft launch. [Link mogu videti samo ulogovani korisnici] Dopuna: 28 Okt 2008 22:05

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Djokkinen Poslao: 28 Okt 2008 22:33 Idi na vrh
offline Djokkinen Mod u pemziji Pridružio: 07 Jul 2007 Poruke: 3955 Gde živiš: Ruma	0Niko još nije pohvalio poruku. Registruj se da bi pohvalio/la poruku! Ma, sve je to OK, ja hoću običnim rečnikom da mi neko obajsni. Viđao sam ja ovo i ranije ali mi 50% stvari odatle nije jasno...

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Mixelotti Poslao: 24 Maj 2009 23:22 Idi na vrh
offline Mixelotti Administrator Zidam zgrade i fasade ......... I armiram, betoniram. Utovaram, istovaram i nikad se ne odmaram. Pridružio: 14 Dec 2005 Poruke: 26928 Gde živiš: Na istoj adresi ali promenih četiri države	0Niko još nije pohvalio poruku. Registruj se da bi pohvalio/la poruku! Par katapultiranja F-14 zanimljivo ... pogotovu onaj poslednji na snimku

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