Air Pistol
March 16, 2017 | Author: buckshot1967 | Category: N/A
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Description
TARGETPISTOL PNEUMATIC by Edward F. \Alsldron McLing thls pistol will be ercellent trcrining lor your metrrl lcfhe work.
rl-tHIS air plstol. is an interesting toy, yet it shsots hard enough I to break a milk bottle, and can be used for target practiee or even for kining small game at reasonable range. It must therefore, be Sven tbe careful handling required for any grrn or weapon capabtreof inflicting a riound, however slighL The pistol is essentially a metal-turning lathe project, and anyone possessing such equipment in his w.orkshop will have no difficulty ivith the elemerrtary gunsmithing involved. The drawings give Reeessary details and dimensions; a brief study sf the seetional sketch wi0 make clear the gunis si4ple but effective constrtrction and firing action. The force with which tJre pellet is ejected from the muzde depends upon the amount of air presflrre pumped into the chamber, and needless to say, entire success of the gun's operation is based on a perfecf seating of the valve. Tlre barrel is the first piece to be worked on- Bore it from d piece af.9ux3/4" piece of soft iron rsd" Stert the boring rvith an 11/64" drill When this drill is as deep as it will go, use another LLI64,'drill to which a piece of E%."drill rod has been welded. It is preferable to set the 3/+" rod in the lathe strapped against a headstock center with the other end in the center rest. Be extremely careful to have your centers properly aligne{ turn slowly, and avoid over-heating of the drill lContimtcil o* page 1701
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Pneumatic Target Pistoi from page 12EJ filled with plastie wood and 11en tJre whole lap it-carefully untila B B shot fa[; iust unit is carved and sande& to shape; ..assembled Inl9uCh freely but with no real clearance. tqe trigger mounted, the guard placed" anit-tnfr. The next task is to turn the barr.el to the dimen_ whole gun is ready for use. glgns _ofFig.1. Counterbore the rear of the barrel - The srghts ar-e adjusted by filing tc the right as you shoot tJre gua at a distance of-10 |116"{5en and tap with a Tzu No.Z$ tap. Counterl lreight trore the rear of the barrel for y4,, mole witb a g6o feet. Adjust the sights so that a full sight shoots drill. Now turn a piece of t""ss rod i" i tfjfrt Y+a high at 10 feet on a standard air rifle target. $riving fit for this portion ford dril t5,/32,, center hole. lfith a taper reamer ream so that a B B i * shot falts hatfwiy tfr"""et;t;-ttui*. on com_ pletion drive thist in"*t ilri- the &;lountertore, and eheck with a B B shot. ffru'-sisLt" ,"; ;;; arade ior the banel. They are turnef out of brass or iron, filed flat and scie$.ed into tapped holes in ihe barrel. Sqe-Fig. ?. Next *"Al-tt e pfus f,or the rear end of the barreGs in !'f*. g. ^ The trigger chamter is now mada*Again" carefu! work is ealled for. It i" ;;e; "" ier I,ig. 4 of jj is;;d.;f-;t*t" 9b" stock. The vatve -fris. prefenably, and ground to a perteet-6t, tbe valrre stem being -lapped into the valve chamber. A satshctory but shorter_lived, valve may be rnade or _apreee of rubber tubing slipped over a brass valve and cemented into pla-ce. tirlJ"""" for the air is connected by a thr.laded nipple made of li,, y*ix28
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hole. This dpplu is screwed *t" tfr. air release tqe.trigger_ cylinder and into dhe rear f:1" :t enamber of the gun barrel, For permanence these rnay be brazed or soldered int, Clean iron t;;. solders with a hot iron *.ra gooa-n*-.' . ?he-supply chamber ig mide of li"| brass pipe tulned out inside until the mlls areabout BTBIJ or 5/84', thick. The ends ,"* pf"gg"i and held *ritr "g-duthlg,ugh the plugs. tti""Jl"* o.",ro* e3efu11y soldered in plaie, "il-tlsh;. Connect thg. :"ppty chamber to-their$er-iyiinaer with a lt",nipple as yolr eonnected-if,e-"lil"a"" to the bar.rel-Fig.1. In order to get Dr_essute,the pump is made of T6",brass pipu 6gtr;,lons. A pipe c.i is fitted on eaeh end and tulned ao* i"'Ji*i"*t" weight. A bieycle tire valve is placetlin tU"-toit"* of the cap as shown in Fig. i. ftt in tu.n is soldered and threaded to the eonneetion irrto.the "rnnf" chamber and the uipe cap;d.;J; irr* soppty chamber.-The pump ean now be compietely dis_ assembled for the replacement of the foot-va-lve . in case of leaks. The cap on the other end of the pump is bored for a B/lb,, rod, a knob Stte{ and a leather plungel with a *"t " io" i"oli.rs ftt"a f-or the other end. Care must bo;J;o see ttrat the pump cytinder is screw"a;l;;;"ttom of c?p tfat rhe ptunger;"-b;;;ed all lhe 1"o rhe rvay to the bottom of the cylinderi The trigger is sawed frorn 16,'material n"a tL" S;..d is made from 1,46,,x11" brass. , eompletely- assembld make the handle ,lElYh:" gtr preces ot +t4',wood tacked together -l!*uorr, and gtued with casein glue. the open ""u 170
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