Show j handicraft FOR BOYS AND GIRLS i by br A NEELY HALL and DOROTHY PERKINS f copyright by A neely acely hall MODEL AEROPLANE propellers AND A MOTOR WINDER A pair of propellers pro pellets must bo be of identical size but opposites and lefthand left hand that Is the upper end na of the right hand propeller must be b shaped to turn to the right and that of the lefthand left hand propeller to turn to the left when viewing the mounted pair from the rear of the model after preparing one propeller in the manner described below make the A N P r dy C A 1 9 Z AV G A 06 second one with blades turned in th the opposite direction figures I 1 to 7 show the seven steps in n preparing a propeller let the figure cumbers also represent the step numbers first of all prepare a propeller blank of the dimensions shown in step I 1 this block should be of straight grained white pine and b be planed up straight and true on all sides draw a line around the tour four faces of the block at the exact center of its length then on faces C and D 13 too ap tz lay jay off a distance of one half inch on the centerline center line measuring from the edge of face B to provide tor for the thickness of the propeller hub step 2 ard and from the point representing the end of this measurement draw diagonal lines to the upper left and upper right hand corners step 2 then with a saw cut away the portions above these lines as shown in step 3 mark out the one halt half inch hub upon faces A and B of the block nd ad bore a small hole through the center tor for the propeller shaft to run through step 3 then draw diagonal lines from the ends of the nud hub centerline center line to all tour four corners st step tep 4 0 and sav sar away the wood above and below there lines step 5 step 6 consists in I 1 laying out the form of the propeller blade upon all tour four sides and ends of the block and step 7 Is the final cutting and shaping of ct the blades after finishing the cutting place the propeller at its center upon the edge 14 M I 1 of your knife and it if it does not balance perfectly cut away enough of the heavy end until it does smooth up the surfaces with emery paper then f aela i them ani th rubber strand motors are wound 1000 turns or more for or a flight the pair must be wound as an equal number of umes times to slap sImp liy iffy this winding boys boya take a dover egg beater fig 14 and cut oil off the ends of the wire loops and the central pivot w wires fres on which the loops turu turn then they bend bead the cutoff cut off ends of be loops into books punch the loop ends tor for the pivot wire onus ends to stick through fig 15 ard rivet these to keep the hocks III position gigure 16 shows how the bow ends of the rubber strand motors are re remold from the framework and slipped lipped on to the winder kooks books for winding finding HOMEMADE RUBBER STAMPS first ot of all you will need some flat pieces of rubber there are ara many sources from which to get these mothers discarded clothes ringer has a pair of rollers that can be stripped of their rubber coverings or you can ca use pieces of 0 a worn out hot water bag a piece of a bicycle or motorcycle tire or the inner tube of an automobile to tire it you cant find any such pieces of rubber at home probably some friend can supply you la in addition to the rubber you will need thread spools on which to mount the rubber figs I 1 to 5 show the steps in pie paring a letter A stamp the hole in each spool must be plugged with a wooden peg fig 1 and the peg pee cur cut off even with both ends of 0 the spool so BO a letter may be mounted upon each cut a square ot of rubber of the size of 0 the letter you wish to make and glue it upon the spool end then with a ruler and pencil draw the letter upon the rubber fig 2 or it if you yon have prints ot of large type cut out 00 1 a letter and paste it upon the rubber paste it upside down because type must read backwards to print correctly see fig 7 when the piece of rubber Is glued elwid fast to the spool end and the letter drawn or pasted upon it carve out the letter with your knife cutting carefully along the outlines of the letter and removing the pieces of rubber not wanted figs 3 and 4 make proof of the letter by printing it upon a piece of paper and then trim any places that show up rough to complete the stamp cut 0 ff t the edge of the spool end just below the letter fig figa 5 so by placing the cutoff cut off edge against C A 9 the e edge d ge of a ruler fig big 6 it will be possible to griat the letter exactly straight and also get the letters of a word in a straight line after you have a complete alphabet of large single letter stamps try your hand at preparing a stamp with a word or name upon it like that shown in fig 7 picture stamps are no more dm cult to make than letter stamps but require larger pieces of rubber figs 8 and 9 show two possibilities tor for picture making with the rubber stamp parts of a mule and ings figs 12 and 13 two pictures made with ith the rubber stamp parts of little girl diagrams of the six stamps required tor for the mule picture are given A E la in ng fig 10 A for the body B for the aeck and head C the ears D the thighs E the hock and hoof of the legs and F the tall for a small set of stamps you may cut out the patterns tor for a larger picture you may enlarge them fig 11 abo shows ws bow to make holders by tacking pieces of 0 cigar box wood to spool eods ends diagrams of the stamps for the tb little girl pictures are shown in pig fig 14 A tor for the body D B tor for the head C the upper arms D the forearms forearm 0 the legs and P F the hat bat |