Hi,

Here's a new list, hope you find it useful.

Best regards,

Wayne Miller

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Acronyms, Abbreviations, Short Forms

AAC – Aluminium, Aluminium and Chrome
ABC – Aluminum, Brass and Chrome
ABL - Advanced Bimetallic Liner (bimetallic typically is brass and nickel)
ABN – Aluminum, Brass and Nickel
AC – Alternating Current
AFAICT – As Far As I Can Tell
AFAIK – As Far As I Know
AFR – Adjustable Function Rate, used to adjust servo end points
Aft – Back of boat, plane etc.
Ailerons – Control surfaces at back of wing. Note: When standing at back of plane looking forward, and the right aileron moves up, and left goes down, plane banks to right
Analogue – In test equipment a meter with a dial (needle) read out. In RC a mechanical change caused by voltage fluctuation. Example: electrical motor control output to the motor.
ATV – Adjustable Travel Volume, limits servo travel distance either side of center
ATV – All Terrain Vehicle
AKA – Also Known As
AM – Amplitude Modulation, an alternative transmission method to FM, not used very much
AMA – American Modeler’s Association, Academy of Model Aeronautics
AOA – Angle Of Attack
AR – Aspect Ratio, relationship between the wing span and the wing chord
ARF – Almost Ready to Fly
ARC – Almost Ready to Cover
ASAP – As Soon As Possible
AIUI – As I Understand It
AUW – All Up Weight (total weight ready to fly. some include fuel, some don't... should include fuel though.)
AWOL – Absent Without Leave
b4 – Short for “before”
BB – Ball Bearing
BBS – Bulletin Board System
BC or B/C – because
BEC – Battery Eliminator Circuit
BF – Short for Bayerische Flugzeugwerke Bavarian Aircraft Works - Willy Messerschmitt's company and makers of the Messerschmit ME109
BS – Bull Stuff (or substitute “stuff” with your locally used word)
btt – Back To the Top, used to direct reader to the top of a forum or tell them to start over
BTW – By the Way
BUHOR – Big Ugly Hell On Rails
BUMP – Any sort of text response to get the message to the top of a forum or active again
BYOB – Bring Your Own Bottle
C(number) - Capacity times the number. Example C10 is ten times the capacity of a battery in ma. That would be 30,000 ma (30.0 amps) for a 3000 ma (3.0 amp) battery pack.
C/(number) -Capacity divided by ten. Example C/10 is the battery capacity in ma divided by 10. In the case of a 3000 ma (3.0 amp) pack this would be 300 ma
CA – Cyanoacrylate Adhesive (a quick setting glue)
Carb – Carburetor
cc – Cubic CentimetersCCW – Counter Clock Wise
CCPM – Cyclic Collective Pitch Mixing, a mixing of three servos to control helicopter
CF - Carbon Fiber
CG – Center of Gravity
CGM - Carl Goldberg Models
CL – Control Line
CP – Center of Pressure, or Coroplast (it’s like a plastic cardboard they make signs out of)
CRS – Can’t Remember Stuff (or substitute “stuff” with your locally used word)
Crow – When flaps go down and ailerons go up, gliders usually use this as an air brake
CW – Clock Wise
CYA – Cover Your Aft (substitute “Aft” with your locally used)
DC – Direct Current
Dead Stick – Motor stopped, flying without power
Dialed in – The model is perfectly tuned
Diameter – In regards to propellers, the distance from tip to tip of a propeller
Digital – In RC, a change related to pulse width, example servo movement, the longer the pulse the more movement. In everyday life a display that has numbers or can be read.
DIY – Do It Yourself
DR or D/R – Dual Rate, usually a switch on the transmitter to allow longer/shorter servo travel
DSC – Direct Servo Control, control of servos by a cord from transmitter without transmitting a signal
DSQ.-. disqualified or disqualification
E – Voltage (Example formula: E=IR)
Elevator – Horizontal control surface at back of plane. Note: When back of elevator goes up, plane goes up.
Elevons – When aileron and elevator functions are combined. Example - delta wing aircraft
EPA – End Point Adjustment
ETA – Estimated Time of Arrival
E-TOC - Electric Tournament of Champions
ESC – Electric Speed Control
F2F – Face To Face
FAI - Fédération Aéronautique Internationale
FAQ – Frequently Asked Questions
FCC – Federal Communication Commission
FFF – Fan Fold Foam
FG – Fiberglass
FIDO...Forget ( ) It, Drive On
Flame – To insult or vent disapproval
Flaperons – Using ailerons as both ailerons and flaps
Flute – The veins in coroplast (the plastic cardboard) that is used in making SPAD model aircraft
FM – Frequency Modulation, most common method of transmission used today for Radio Control
FOAD - Fly Off and Die. (Substitute Fly with locally used words)
Forward – to the front of boat, plane etc.
FS – Fail Safe, usually a preset position for servos to move to when radio transmission is lost
FSW – Forward Swept Wing
FUBAR - Fouled Up Beyond All Recognition (Substitute Fouled with locally used words)
Fuse – Fuselage
FWIW – For What It’s Worth
FYI – For Your Information
g - grams
G - Gravity force factor. Example 1G = normal weight, 2G = two times weight
GB – Gear Box
GP - Great Planes Mfg. Co.
Gr8 – Short for GREAT
H9 - Hangar 9 Mfg Co
HOC – Hot Off the Charger
HOR – Hell On Rails
HTML – Hyper Text Mark-up Language
I – Current in amps (Example formula: I=E/R)
IIRC- If I Recall Correctly
IMAC - International Miniature Aerobatics Club
IMHO – In My Humble Opinion or In My Honest Opinion
IMNSHO - In My Not So Humble Opinion
IMO – In My Opinion
IPR – Intelligent Power Reduce
IRC - internet relay chat
IRCHA - International Radio Controlled Helicopter Association
ISP – Internet Service Provider
ISTM – It Seems To Me
JMHO – Just My Humble Opinion or Just My Honest Opinion
JMO – Just My Opinion
KISS – Keep It Simple Stupid
Kg - Kilograms
LAR – Looks About Right
Lbs - Pounds
LCD – Liquid Crystal Display
LE – Leading Edge
LED – Light Emitting Diode
LG – Landing Gear
LH – Left hand side (in reference to ships and airplanes – left hand side of pilot facing forward)
LHS – Local Hobby Shop
LiPo, or Li-Po, or Li-Poly – Lithium Polymer battery
Li-ion – Lithium Ion Battery
LMFAO – Laughing My “Freaking” “Aft” Off, (substitute freaking and aft for locally used words”
LOL – Lots Of Laughs, or Laugh Out Loud, or Lots Of Luck
LOA – Length Over All
LVC – Low Voltage Cutoff circuit
LWL – Length at Water Line
ma – Milliamp, one thousands of an amp
MAAC – Model Aeronautics Association of Canada
MAC - Mean Aerodynamic Chord (I think this is the center of gravity/balance point?)
mah – Milliamps per hour, milliamps times hours, milliamps a current rating used to determine the number of milliamps delivered or received in one hour
Max – Maximum
ME – Short for Messerschmit the ME-109 was designed by Willy Messerschmitt
Min – Minimum
mIRC - is a client program to access IRC
mm – millimeter
MK - Monokote or Mark (as in Mark II)
mv – millivolt
MCP- Mousse Can Pipes (mufflers made from hair styling mousse cans)
Mode 1 – Transmitter with Aileron and Throttle on right stick, Rudder and Elevator on left stick
Mode 2 - Transmitter with Aileron and Elevator on right stick, Rudder and Throttle on left stick
Mode 3 – Transmitter with Rudder and Throttle on right stick, Aileron and Elevator on left
Mode 4 – Transmitter with Rudder and Elevator on right stick, Aileron and Throttle on left stick
Mode Single stick – see single stick
MTBF – Mean Time Between Failures, a rating given by manufactures for failure rates
MTTR – Mean Time To Repair, the time for the average repair of an item
NAR - the National Association of Rocketry
Newbie – A new person or beginner
NA or N/A – Not Available
NIB – New In Box
NiCd – Nickel Cadium
NiMh – Nickle Metal Hydride
NP – Neutral Point
OAN - On another note
OHV – Over Head Valve
OMG -Oh my Gosh (or substitute “gosh” with your locally used word)
OMP - Ohio Model Planes
OTH- On the other hand
Oz – Ounces
P – Power in watts (Example formula: P=EI)
PBF – Pizza Box Flyer
PDQ – Pretty Darn Quick (or substitute “darn” with your locally used word)
PIA – Pain In the Arm (or substitute “Arm” with your locally used word)
Pitch – In reference to propellers, the angle of propeller blade, the higher the number the greater the angle
Ppl or ppls – Short for “people” or people’s
Port – Left hand side (when pilot faces forward), or an opening in a boat or plane, or boat docking area
PPM – Pulse Position Modulation
PQHOR – Profile Quick Hell On Rails (a SPAD aircraft)
Prop – Propeller
Prop Wash – The wind created by a propeller when it is turning
R – resistance in ohms (Example formula: R=E/I)
RATO- Rocket Assisted Take Off
RC – Radio Control or Remote Control
RCM – Radio Control Modeler (a magazine)
RCU – RC Universe a web site for radio control enthusiasts
RFI – Radio Frequency Interference
RH – Right hand side (in reference to airplanes – right hand side of pilot facing forward)
RIP – Rest In Peace
RO - radio operator
RPM – Rotations Per Minute or Revolutions Per Minute
RPM/V – Rotations Per Minute per Volt or Revolutions Per Minute per Volt
ROFL - Rolling On the Floor Laughing
ROFLMAO - Rolling On Floor Laughing My “Aft” Off (or substitute “aft” with your locally used word)
ROG – Rise Off Ground, or Rolling On Ground
ROW – Rise Off Water
RTV – Reference to “RTV Silicon Adhesive Sealant”, and is similar to other silicon rubber sealant products.
RTV - Room Temperature Vulcanization
Rx – Receiver
RTF – Ready To Fly
RTFM – Read the “Friendly” Manual, (substitute “friendly” for locally used words)
Rudder – Back vertical control surface at back of plane. Note: When back of rudder goes right, plane will be directed right, works with nose wheel on tricycle gear or tail wheel on tail dragging airplane.
Sec – Seconds
SPFBD – Simplified Plastic Flight Box Design
Single Stick – Transmitter with one stick, Aileron and Elevator on X and Y axis, Rudder Knob on end of stick and Throttle (a trim lever type control on the case)
Semi-Symmetrical wing – A wing with bottom airfoil not the same as top airfoil, will be less on bottom
SPAD – Simple Plastic Airplane Design
Spec – Specification
S-PPM – A JR receiver fail safe mode that will cause the servos to “hold” then go to a programmed preset position after a predetermined period of time
Sq in – Square Inches
SSS - Sudden Silence Sucks
SST – Super Sonic Transport
Stall – In aircraft, the point where there is not enough lift to keep it flying
Starboard - Right hand side (when pilot faces forward)
STD – Standard
Stick Time – Time spent flying
Strk – Stroke as in 2-strk or 4-strk
Symmetrical wing – A wing with same airfoil on top as bottom
T – Teeth (usually the number on a gear)
TBA – To Be Announced
TBC – To Be Calculated
TBD – To Be Determined
TD – Tail Dragger
TE – Trailing Edge
TF – Top Flite
TIA – Thanks In Advance
TMTOMH - Too Much Time On My Hands
TNX - thanks or thank you
to or t/o – Take Off
TOC – Tournament of Champions
TOF – Time of flight from leaving ground to touch down. Calculation for electric TOF in minutes is: battery capacity in amps, divided by average current draw in amps, times 60
TPTB – The Powers That Be
Trammeling – Aligning fuselage, wings, horizontal stabilizer, vertical stabilizer and landing gear
Troll Post – A bulletin board posting designed to create controversy and may or may not be related to fact
TTYL – Talk To You Later
ttt – To The Top, to put an item to the top of a forum, or to start over
TVM – Thanks Very Much
Tx – Transmitter
U – Short for “you”
UC - Ultracote
ur – Short form for “you are”
URL Uniform (or Universal) Resource Locator
UWYH - Use What You Have
V – Volts
V1 - Rotate
vs - versus
VMGM –
VTOL – Vertical Take Off and Landing
VTR – Variable Trace Rate, allows different servo speeds for each half of transmitter stick
WIG – Wing In Ground Effect
W T F – What The Fudge or Who The Fudge (or substitute “fudge” with your locally used word)
WOF – Wood Over Foam
WOT – Wide Open Throttle
WW1 – World War One
WW2 – World War Two
www – World Wide Web
X-wind – Cross wind
XTAL, xTAL, or xtal – Short for “Crystal”, this typically is a plug in component that determines the channel (frequency) for your transmitter and/or reciever
Y-Harness – A harness that plugs into receiver and has servo two plugs, used for two servo ailerons
YCD – You Can Do
YMMV - Your mileage may vary
YHM – You Have Mail
Z-PPM – A JR receiver fail safe mode that will cause selected servos to “hold”, and other selected servos to go to a programmed preset position after a predetermined period of time

To cut and paste the list in your favourite word processor, first highlite the list with your mouse, then push "CTRL-C", open your word processor and push "CTRL-V".

The above is to the best of my knowledge, and should be considered a starting point. Please let me know any changes you would like to see, any suggestions are welcome.

Wayne Miller