the world's only taut wire mechanical electric audio variometer 
 
model CVA
TIME
SCALE
RANGE
AVERAGER
SIZE 
USD
model CV
TIME
SCALE
RANGE 
SIZE 
USD
model SV
TIME
SCALE 
SIZE 
USD
 
1.8 sec
+/-10 knots (5m/s) 
80mm or 57mm 
$900.00
 
1.0 sec
+/-10 knots (5m/s)
+10 to 20 knots (10m/s) 
80mm or 57mm 
$1300.00
 
1.0 sec
+/-10 knots (5m/s)
+10 to 20 knots (10m/s)
+/-12 knots (6m/s)
80mm 
$2100.00
options
READOUT
INSIDE BARREL
FACE PLATE
 
NUMBERS
 
AUDIO OPTION
 
knots or m/s
white or black
white + red needle
black + yellow needle
white or black
green/red only on black face plate
available on 80mm SV models at no additional cost

© ir. Willem Langelaan OAA. All rights reserved
2019 december 10
HIGH PERFORMANCE SAILPLANES
planeurs de grande finesse