Transmitter

I U U U U U WI ~ U WEu u U-U mm fl m UHEU IU IIflfl3fl U E m m U U ii U HAVE YOU NOTICED contests fly-in events participants surrounded lawn chairs ice chests toolboxesall arranged under tents airplanes either shady area under tents covered light-colored cloth keep summer sun away heat-sensitive radio components Sounds great doesnt Almost Watch what happens its time go flying flight crews gather up airplanes starter kits head transmitter impound area personal observation impound usual weak link otherwise well-run event does seem reasonable pro tect airplanes flight systems protect transmitters so-called transmitter impound areas no table top blanket ground trunk someones car Besides inconvenience trying retrieve transmitter makeshift impound areas possibility trim vari able-rate buttons can moved preset positions Most folks will tell you going complain about system should prepared offer better plan doing job think trans mitter impound rack shown accom panying drawing pictures fulfills following requirements 1 Easy access transmitters 2 Damage protection transmitters 3 Easy construction unit 4 Easy set up store transport As designed rack has shelves 48-in wide 49 overall less 72 diagonally height less 12 thick dimensions allow foldeddown unit transported pickup truck small trailer roof-top rack storage unit requires 4 ft wall space protruding 1 ft floor areaan ideal size garage wall primary advantage 48-in width no matter tall assembled unit transmitter can reached easily side rack less arms length 24 design has proven quite efficient use recent events sponsored Dallas RC Club contests year have aver aged some 30 40 participants rack capable storing up 60 transmitters six 10 shelves Should club require capacity can simply reduce number shelves fit maximum projection materials off-the-shelf items lumber consists 1 x 12s 1 x 8s 1 x 4s 2 x 4s standard 4 6-ft lengths hardware consists pair standard removable-pin door hinges 3 x 3 -in bolts flat washers lock washers nuts would suggest group three four club members get together assem ble prekitted unit found several extra hands would have very helpful holding parts together nailing being done unit assembled nails aliphatic resin glues Titebond El mers Yellow etc After light sanding round off few sharp corners filler coat flat latex applied finish coat semigloss enamel gives rack dura ble pleasing finish will notice certain details support structure prototype shown pictures match drawing drawing reflects changes engineered design after construc tion original rack As assembly pro gressed became aware original 74 Model Aviation Transmitter impound rack designed constructed author use club picnic/fun fly occasion impound pit area near shade regular contests transmitter impound frequency control operated under tent tight supervision ii~ U u U uU UE N U NE U m m m K mu mu U EU U U U UU EU EU ME EU EU ME E EU U U III Z 51 II EU EU 11 II U UWE EI ft Rear view rack shows its simple sturdy support structure rack reaaieo tor storage transporting removing two horizontal lower braces Right Dallas RC Club members Steve Deminie L Perry Bartlett R Steves frequency pin board holding kept transmitter rackshown Perrys van rack also travels well atop station wagon Pickup truck trailer Put little class clubs act portable unit has served Dallas RC Club well U Weston Moore support structure needed beefing-up handle 150 ds unit weighs structure must sturdy enough assure rack will stand firmly place use builders may have access table saw radial-arm saw can considerable savings materials cost buying 1 x 12s 12-ft lengths ripping smaller shelf sizes doing rip 3Y4-in shelf bottom pieces let 8-in pieces fall bit short local lumber source running sale 1 x 12s started project used ripping method described saved good bit money As final touch set up impound rack frequency control under same tent notice smoothly next contest runs wont take long word get around club regularly putting well-run wellequipped events A 3-V2 x 3-V2 DOOR HINGES -E \ OPTIONAL \BRACE \ DOWN\\ \ LOCK SUPPORT STRUCTURE NOT TO SCALE SIDE FRAMES ARE z 12 x 72 PINE TRIM EXCESS AFTER CONSTRUCTION DASHED UNES Ix8 PINE Ix 4 PINE 8 2 2 x4 LEG N F DOWN LOCKN L-- \ \ -A TRANSMITTER IMPOUND RACK August 1984 75