Mo w Tw4 fun Editors note following originally addressed AMA president Don Lowe belated response letter written Jim Thomerson Collinsville Illinois wrote December issue MA subject Thoughts Technical Articles agree him need publication such articles especially need reviews text technical articles published modeling magazines riddled errors should avoided possible governments world have funded work done Remotely Piloted Vehicles UAVs now known very little money has spent really low Reynolds Number research order individual modellers perform research development R&D usually have spend own money pursuit some new technique theory believe function AMA fund least publication such endeavours AMA sponsors promising young people go college university further aeronautical studies encourage other technically capable people write share knowledge through medium ready-made journal Model Aviation Dave Gierke Frank Vasallo have recently published engine power propeller thrust data has greatly improved modellers understanding model airplane performance propeller unloading flight static thrust other aeronautical engineering graduates out put hours time effort producing better designs techniques modellers Carl Risteen Canada William F McCombs Dallas Texas just two such names spring mind appears AMA relies such specialist groups NFFS National Free Right Society LSF League Silent Flight play role coordinators custodians technical development aeromodeling field past Frank Zaic made huge contribution model aviation Year Books R J Hoffmans book Model Aeronautics Made Painless another such contribution science aeromodelling Some works equate great life-study works Hoerner spent life collecting lift drag data multitude shapes bodies thus urgent appeal authority AMA recognise role promoting science hobby model aviation promoting encouraging authors publish very least compensate hours spent preparing texts Frank Zaic published set Needed Developments contributors Roger Schroeder envisaged should met further understanding control model aircraft 1 Angle Attack Recorder 2 Glide Angle Recorder 3 Air Speed Recorder 4 Good data airfoil characteristics model speeds 5 Airfoils developed especially model speeds 6 * Profile drag data model shapes model speed 7 A simple automatic device cause model circle upwind eliminate longdistance retrieval problems 8 reliable mechanical DT device 9 Design guides follow constructing strong flexiblewarp-resistant structures 10 An easily made efficient folding propeller hubdevice 11 Ajig design easily make propellers 12 * study aerodynamic characteristics model props 13 Determination optimum aspect Ratio different size models 14 study materials available construction recommendations application new materials 15 Establish better wind gust stability criteria models under 30 inches span 16 Devise reliable device change trim model under power glide topics plain text have far am aware already addressed solutions produced rest still outstanding items marked asterisk * particular interest would appreciate publication such data exists list published 30 years ago 1964 -65 Year Book topics just pertinent today years ago Isnt time something done about Ed Baum gartner Box 1980 Halfway House 1685 South Africa 22 Model Aviation tin h may anions ers ieas . urgent appeal AMA recognise role promoting science hobby model