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Winfoil Manual Winfoil Manual Version 3.0 - FOR MODEL AIRCRAFT - Copyright © 1993 - 2012 MALCOLM HARDY All rights reserved. 3D Rendering Module Copyright © 1998 – 2012 Gregg Kelly RELEASE DATE - AUGUST 1998 UPDATED – APRIL 2012 Page 1 Of 236 Winfoil Manual CONTENTS OVERVIEW ..................................................................................................................... 8 SYSTEM REQUIREMENTS ............................................................................... 12 WHAT’S NEW IN WINFOIL V3.0 ....................................................................... 13 VERSION HISTORY ........................................................................................... 14 USER INTERFACE ............................................................................................ 21 MENU COMMANDS ........................................................................................... 23 AIRFOIL LIST ..................................................................................................... 24 AIRFOIL TAB ..................................................................................................... 25 AIRFOIL SEARCH ............................................................................................. 28 COPY AIRFOIL SCREEN................................................................................... 29 NACA AIRFOIL WIZARD ................................................................................... 30 RENAME AIRFOIL SCREEN ............................................................................. 32 AIRFOIL COMMENTS ........................................................................................ 33 POLAR ANALYSIS ............................................................................................ 34 JAVAFOIL PARAMETERS ................................................................................ 36 AIRFOIL COORDINATES TAB .......................................................................... 38 ADD AIRFOIL COORDINATES ......................................................................... 41 AIRFOIL POLAR GRAPH TAB .......................................................................... 43 AIRFOIL COMPARISON .................................................................................... 45 LOOKUP AIRFOIL PERFORMANCE DATA ..................................................... 47 LIFT DRAG DATA MAINTENANCE TAB .......................................................... 50 LIFT/DRAG DATA MAINTENANCE SCREEN ................................................... 52 AIRFOIL CAD TAB ............................................................................................ 54 AIRFOIL CAD TOOLBAR FUNCTIONS ............................................................ 55 CAMBER MODIFICATION SCREEN ................................................................. 57 Page 2 Of 236 Winfoil Manual THICKNESS MODIFICATION SCREEN ............................................................ 58 MIRROR AIRFOIL SURFACE SCREEN ............................................................ 59 OVERLAY AIRFOIL SCREEN ........................................................................... 60 HOW TO ADD AIRFOIL COORDINATES - AIRFOIL CAD ................................ 61 COORDINATE PAIR MODIFICATION ............................................................... 63 COORDINATE PAIR DELETION ....................................................................... 64 ENTER AIRFOIL COORDINATES IN AIRFOIL CAD ........................................ 65 PRINT AIRFOIL SCREEN .................................................................................. 66 DESIGN LIST ..................................................................................................... 69 DESIGN LIST TABS ........................................................................................... 72 DETAIL TAB ....................................................................................................... 74 DESIGN PICTURE SCREEN .............................................................................. 76 WING WIZARD ................................................................................................... 77 ADD DESIGN SCREEN...................................................................................... 78 CHANGE WING SCREEN .................................................................................. 79 DRAG BREAKDOWN TAB ................................................................................ 80 DRAG COEFFICIENT LOOKUP FOR FUSELAGE SCREEN ........................... 82 EDIT DRAG BREAKDOWN ITEM ...................................................................... 83 PERFORMANCE TAB........................................................................................ 84 POWER REQUIRED TAB .................................................................................. 86 LIFT TO DRAG RATIO TAB .............................................................................. 87 PERFORMANCE POPUP BOX .......................................................................... 88 DESIGN CAD TAB ............................................................................................. 89 DESIGN CAD TOOL BAR FUNCTIONS ............................................................ 92 HOW TO DESIGN A WING IN DESIGN CAD .................................................... 95 DESIGN SCALING OPTION .............................................................................. 98 DESIGN ADDITIONAL PROPERTIES TAB SCREEN ....................................... 99 Page 3 Of 236 Winfoil Manual TRAILING EDGE THICKNESS ........................................................................ 100 DESIGN TARGETS .......................................................................................... 101 RIB VIEW.......................................................................................................... 102 WING SWEEP .................................................................................................. 104 3D VIEW ........................................................................................................... 105 VARIABLE RIB SPACING ............................................................................... 107 VERTICAL TAIL SIZING GRAPH SCREEN .................................................... 108 HORIZONTAL TAIL SIZING GRAPH SCREEN ............................................... 110 REYNOLDS NUMBER GRAPH SCREEN........................................................ 112 WING PANEL PRINT SELECTION .................................................................. 114 SOARTECH AIRFOIL DATA ............................................................................ 115 ABOUT SOARTECH ........................................................................................ 117 LIFT/DRAG DATA SCREEN ............................................................................ 122 COPY WING SCREEN ..................................................................................... 124 DESIGN SEARCH SCREEN ............................................................................ 125 SPAR DETAIL DESIGN SCREEN ................................................................... 126 SPAR DESIGN ................................................................................................. 128 AIRFOIL VERIFICATION SCREEN ................................................................. 130 PRINT COMMAND ........................................................................................... 131 DESIGN COORDINATES SCREEN ................................................................. 132 PRINT DESIGN SCREEN................................................................................. 133 IMPORT DATA ................................................................................................. 137 SELECT IMPORT DIRECTORY ....................................................................... 139 IMPORT EPPLER 100 FORMAT AIRFOIL COORDINATES ........................... 140 EXPORT DATA ................................................................................................ 141 IMPORT AIRFOIL PERFORMANCE DATA ..................................................... 143 PRINTER SETUP COMMAND ......................................................................... 144 Page 4 Of 236 Winfoil Manual JAVAFOIL AIRFOIL PEF FILE IMPORT ......................................................... 145 IMPORT WINFOIL DESIGN ............................................................................. 147 WINFOIL AIRFOIL COORDINATE IMPORT .................................................... 150 EPPLER FORMAT AIRFOIL COORDINATE IMPORT .................................... 151 SOARTECH LIFT & DRAG DATA IMPORT .................................................... 153 EXPORT AIRFOIL COORDINATES IN WINFOIL FORMAT ............................ 155 EXPORT AIRFOIL COORDINATES IN SOARTECH FORMAT ....................... 157 EXPORT AIRFOIL COORDINATES IN EPPLER FORMAT ............................ 158 EXPORT AIRFOIL COORDINATES IN EPPLER 100 FORMAT ..................... 160 EXPORT PERFORMANCE DATA TO AN EXCEL SPREADSHEET .............. 161 EXPORT AIRFOIL PERFORMANCE DATA IN WINFOIL FORMAT ............... 163 EXPORT DESIGN ............................................................................................ 164 HPGL EXPORT ................................................................................................ 167 EXPORT TO DXF FILE .................................................................................... 168 PRINT TO DXF FILE ........................................................................................ 169 EXIT COMMAND .............................................................................................. 170 UNDO COMMAND ........................................................................................... 171 CUT COMMAND .............................................................................................. 172 COPY COMMAND ............................................................................................ 173 PASTE COMMAND .......................................................................................... 174 HELP INDEX .................................................................................................... 175 REGISTRATION COMMAND ........................................................................... 176 REGISTRATION BENEFITS ............................................................................ 178 ABOUT COMMAND ......................................................................................... 180 DATA BACKUP ................................................................................................ 182 WING CAD EXAMPLE ..................................................................................... 183 SPAR DESIGN EXAMPLE ............................................................................... 188 Page 5 Of 236 Winfoil Manual PREFERENCES ............................................................................................... 191 TOOLS TAB ..................................................................................................... 194 TOOL SETUP SCREEN ................................................................................... 195 PARAMETER MAINTENANCE SCREEN ........................................................ 198 HOW TO CREATE NEW DESIGN COMPONENTS ......................................... 200 HOW TO TRACE A PICTURE .......................................................................... 206 PRINT PREVIEW .............................................................................................. 208 VARIABLE RIB SPACING AND THICKNESS DISTRIBUTION TAB .............. 209 HOW TO MODIFY AN EXISTING WING DESIGN ........................................... 211 PERFORMANCE ANALYSIS ........................................................................... 213 WINFOIL 4.0 ..................................................................................................... 232 TECHNICAL SUPPORT ................................................................................... 233 INDEX ............................................................................................................... 235 Page 6 Of 236 Winfoil Manual DISCLAIMER Users of WINFOIL must accept this disclaimer of warranty: "WINFOIL is supplied as is. The author disclaims all warranties, expressed or implied, including, without limitation, the warranties of merchantability and of fitness for any purpose. The author assumes no liability for damages, direct or consequential, which may result from the use of WINFOIL." Please Note this program is Shareware. It is not Freeware. You are permitted to try the program for a maximum of 30 days after which continued use will require payment of the registration fee. For details about Registration see REGISTRATION COMMAND . For details on planned features for the next version see WINFOIL VERSION 4.0. TRADEMARKS VISUAL BASIC, ACCESS and WINDOWS are trademarks of the Microsoft Corporation. AutoCAD is a trademark of AutoDesk Inc. INTERNET The unregistered version of this software can now be downloaded from the Internet from www.winfoil.com Page 7 Of 236 Winfoil Manual OVERVIEW Winfoil is a windows program which provides the capability to design model aircraft and print the resulting design components. Features In Alphabetical Order 3D View now available for Wing and Tail designs. Zoom in or out , rotate in 3 dimensions , show wire frame, solid mesh or fully rendered. Add up to 10 favourite programs to the Tool Menu for easy access from Winfoil .Tools Tab Airfoil camber and chord lines plotted on screen. Airfoil cambercan be altered. Airfoil Comparison Airfoil data import capability. Airfoil Lift/Drag Maintenance Screen Airfoil thickness shown Airfoil thicknesscan be altered. Airfoil thickness variation allowed for when printing Airfoil top or bottom surfaces can be mirrored Airfoil verification in Reynolds Number graph. Verifies calculated performance with airfoil lift/drag data. All screens are resizeable and sizes and positions are saved on exit so that screens will be restored the next time Winfoil is run. Alter Aspect Ratio or maintain Aspect Ratio for a design item in the Design CAD Tab . Automatic calculation of Wing area, aspect ratio and mean aerodynamic chord and aerodynamic centre in the Design CAD Tab CAD like user interface screens to design wings and airfoils Page 8 Of 236 Winfoil Manual Calculate Aircraft performance . Power required , stall speed, max. L/D, sink speed and max. speed. Comments can be entered for airfoils and design .items. Connect to the Winfoil Web Site Context sensitive Help. Press the Function Key F1 to select help on the currently selected feature within WINFOIL or press the HELP button. Copy and rename Airfoils. Copy. and rename Design Items. Create simple fuselage and fuselage former shapes . Define own types of components . Database can be shared over a network for multi user access Design Targets entered in the Drag Breakdown screen can now be viewed in the Design CAD screen. Use these to select the appropriate airfoil, set the correct span and arrive at a shape which meets the Aspect Ratio requirements. Design wings or tails of any shape. Winfoil will automatically determine rib lengths Different airfoil sections can be selected for a wing design . Winfoil will automatically print the airfoil sections along the span. DXF Airfoil, Rib, Wing, tail and fuselage plan Edit airfoil coordinates and design item coordinatesTab directly with a mouse. Enter wing coordinates using the keyboard in the Design CAD Tab Estimate Airfoil pitching moment and angle of attack at zero lift Expanded range of measurement units (metric and imperial) Export selected airfoils for input into other programs. Export design performance data to Excel spreadsheets Grouping of design components. Components such as wing, tail, specifications are grouped by design name for ease of reference. Horizontal and vertical tail sizing calculations for conventional aircraft . Import automatic number format conversion for European countries using American or British airfoil coordinates. Import Eppler format airfoil coordinates. Import Soartech lift and drag data. Multiple airfoils can be compared Import Stuttgart format airfoil coordinates. Page 9 Of 236 Winfoil Manual Menu shortcut keys. NACA Airfoil Wizard. Generate 4,5 and 6 Digit NACA Airfoils New airfoil sort/search facility. Overlay airfoils , input airfoil coordinates using the keyboard and select points. Parameter tables can be configured to add new design types, drag breakdown items and aircraft configurations . Print airfoil sections in metric or imperial dimensions Print one airfoil per page or automatically adjust to print more than one per page. Print airfoils for a range of chord lengths. Print airfoil name, grid, chord length and coordinates. Print design item specifications Print airfoils to the windows clipboard Print airfoils larger than page size. Print wing planforms , fuselage formers, fuselage sides (. Left , right or both panels.) Popup menus. Recalculate airfoil thickness and camber for every airfoil. Reynolds number calculation in air and water. Rib View is now available in the Design CAD screen. View each rib in a Wing or Tail design. See Spar, Shear Web and wing skin thickness. Automatically redraw when a spar is added, changed or deleted. Shows interpolated airfoil section if different airfoils have been selected for the root and tip. Search/Sort screen for quickly locating airfoils or design items. Support for Eppler and Eppler 100 style airfoil coordinate formats Scanned pictures and comments can be added to design components Pictures can be zoomed, saved and printed. Soartech airfoil import capability. Spar design facility. Any number of spars and shear webs can be placed at any position along the chord of a wing or tail. Store airfoil lift, , drag and pitching moment coefficients for airfoil comparison and selection. Page 10 Of 236
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