“By The Numbers”
A look at some stats about our DFE Ascender III-C
(updated 27 January 2004)
|
Item |
Units |
|
|
Engine |
type |
Rotax 503
DC |
|
Engine
power |
hp |
50 |
|
Build
Time |
hours |
310 |
|
|
|
|
|
DIMENSIONS |
|
|
|
|
|
|
|
Length
- fuselage |
feet |
11' 2.5" |
|
Length
- overall |
feet |
15' 6" |
|
Height
- overall |
feet |
10' 6" |
|
Wing
Span |
feet |
32' 9.75" |
|
Wing
chord - tip |
inches |
53.5" |
|
Wing
chord - root |
inches |
67" |
|
Wing
chord - mean |
inches |
60.25" |
|
Wing
height - tip |
feet |
6' 9.5" |
|
Wing
Sweep |
degrees |
18 |
|
Wing
Dihedral |
degrees |
6 |
|
Wing
Root Incidence |
degrees |
7.5 |
|
Canard
height |
feet |
3.7 |
|
Canard
span |
feet |
8 |
|
Canard
chord |
inches |
16.5" |
|
Canard
Area |
square
feet |
11 |
|
Wing
Area |
square
feet |
164.75 |
|
Total
area wing+canard |
square
feet |
175.75 |
|
Wing
Loading |
lb/sq ft |
4.55 |
|
Winglet
height |
inches |
36 |
|
Winglet
chord |
inches |
22 |
|
Winglet
Sweep Angle |
degrees |
22 |
|
Wheel
base |
inches |
72 |
|
Wheel
track |
inches |
62 |
|
Crew
elbow room |
inches |
38 |
|
Power
loading |
lb/hp |
15.00 |
|
Wing
aspect ratio |
|
6.5 |
|
Canard
aspect ratio |
|
5.80 |
|
|
|
|
|
PERFORMANCE |
|
|
|
|
|
|
|
Cruise
speed |
mph |
50 |
|
Stall
speed |
mph |
27 |
|
Vne |
mph |
55 |
|
Maneuvering
speed |
mph |
40 |
|
Rate
of Climb |
fpm |
1000 |
|
Fuel |
US gal |
10 |
|
|
lbs |
60 |
|
Fuel
flow |
US gal/hr |
3 |
|
|
lbs/hr |
18 |
|
Endur |
hrs |
3.3 |
|
Range
(half hr reserve) |
sm |
142 |
|
Take
off Dist |
feet |
200 |
|
Landing
Dist |
feet |
250 |
|
Service
ceiling |
feet |
18000 |
|
Roll
rate 45-45 degrees |
seconds |
4 |
|
Max
crosswind |
mph |
10 |
|
Load
factors |
g |
+4.6/-2.6 |
|
Glide
ratio |
|
7.5 |
|
Minimum
sink rate |
fpm |
550 |
|
|
|
|
|
WEIGHTS |
|
|
|
|
|
|
|
Empty
Wt |
lbs |
275 |
|
Gross
weight |
lbs |
750 |
|
Useful
load |
lbs |
475 |
|
Payload |
lbs |
415 |
Construction Costs (in Canadian Dollars)
|
Date |
Activity
or Item |
Cost |
Shipping |
GST |
PST |
Permits |
Total |
|
28-Aug-01 |
VIP Pilot
Supply - Journey Logbook |
$23.95 |
$6.95 |
$2.16 |
|
|
$33.06 |
|
24-Sep-01 |
Green
Dragon - engraving dataplate |
$15.00 |
|
$1.05 |
$1.20 |
|
$16.05 |
|
12-Nov-01 |
DFE
Ultralights - Ascender IIIC kit |
$10,663.42 |
|
$741.46 |
$847.38 |
|
$12,252.26 |
|
13-Nov-01 |
Transport
Canada - Aircraft Registration |
$250.00 |
|
|
|
|
$250.00 |
|
30-Nov-01 |
Aero Propulsion
Tech - Rotax 503 & instr |
$6,024.36 |
|
$421.71 |
|
|
$6,446.07 |
|
20-Dec-01 |
Falcon
Design - Registration and badge |
$35.00 |
|
$2.45 |
$2.80 |
|
$40.25 |
|
29-Jan-02 |
Home
Depot - OSB seat bottoms |
$2.42 |
|
$0.17 |
$0.19 |
|
$2.78 |
|
30-Mar-02 |
Cdn Tire
- Compass (with CT money) |
$3.09 |
|
$0.28 |
$0.32 |
|
$3.69 |
|
20-Apr-02 |
Cdn Tire
- hose (with CT money) |
$11.11 |
|
$0.78 |
$0.89 |
|
$12.78 |
|
18-Apr-02 |
Aircraft
Spruce - parts |
$390.21 |
$46.32 |
$26.78 |
$30.61 |
|
$493.92 |
|
11-May-02 |
Metal
Supermarkets - 3030 1/16" sheet |
$1.70 |
|
|
|
|
$1.70 |
|
14-May-02 |
Aero
Propulsion Tech - Parts |
$297.86 |
$6.05 |
$20.85 |
|
|
$324.76 |
|
9-May-02 |
Aeronautica
- Remove before flight banner |
$3.99 |
|
$0.28 |
$0.32 |
|
$4.59 |
|
18-Apr-02 |
Flight
Tech - ITC - 402/I-ENRI intercom |
$349.14 |
$9.64 |
$23.70 |
$27.08 |
|
$409.56 |
|
7-May-02 |
Lockwood
- prop & fuel "T" |
$428.76 |
$41.36 |
$28.86 |
$32.99 |
|
$531.97 |
|
26-May-02 |
Radio
Shack - LED Module |
$4.99 |
|
$0.35 |
$0.40 |
|
$5.74 |
|
23-Jul-02 |
Aircraft
Spruce - Lord mounts for exhaust |
$30.93 |
$4.42 |
$2.41 |
$2.11 |
|
$39.87 |
|
29-Jul-02 |
Radio
Shack - push switch |
$3.99 |
|
$0.28 |
$0.32 |
|
$4.59 |
|
16-Jul-02 |
Lockwood
- bolts |
$15.19 |
|
|
|
|
$15.19 |
|
6-Aug-02 |
Kemco -
fabrication of exhaust & stand |
$320.00 |
|
$22.40 |
$25.60 |
|
$368.00 |
|
14-Aug-02 |
House of
Canvas - grommets for seats |
$45.00 |
|
$3.15 |
$3.60 |
|
$51.75 |
|
17-Aug-02 |
Metal Supermarkets
- 6061-T6 square tube |
$3.00 |
|
|
|
|
$3.00 |
|
17-Feb-03 |
BRS 750
cannister system |
$2,947.18 |
$332.39 |
$204.12 |
$233.28 |
$30.00 |
$3,746.97 |
|
18-Jun-03 |
Home
Depot - connectors & tube endcaps |
$8.14 |
|
$0.57 |
$0.65 |
|
$9.36 |
|
1-Jul-03 |
Aero
Propulsion - parts and labour - engine |
$473.00 |
|
|
|
|
$473.00 |
|
3-Jul-03 |
Canadian
Tire - clamps |
$6.56 |
|
$0.46 |
$0.52 |
|
$7.54 |
|
3-Jul-03 |
Cycle
shop - gear shifter (for choke) |
$5.44 |
|
$0.38 |
$0.44 |
|
$6.26 |
|
11-Jul-03 |
Aero
Propulsion - engine parts |
$61.10 |
|
$4.28 |
$4.90 |
|
$70.28 |
|
31-Jul-03 |
Cdn Tire
- brake parts |
$28.97 |
|
$2.03 |
$2.32 |
|
$33.32 |
|
2-Aug-03 |
Metal
Supermarkets - 6061-T6 X .125 Bar |
$5.33 |
|
$0.37 |
$0.43 |
|
$6.13 |
|
|
|
|
|
|
|
|
|
|
Totals |
|
$22,458.83 |
$447.13 |
$1,511.33 |
$1,218.35 |
$30.00 |
$25,665.64 |
Forecast Operating Costs (also in Canadian Dollars)
|
Aircraft
type |
DFE
Ascender III-C |
|
|
|
|
|
|
|
|
Fixed
Costs |
cost per
yr |
|
|
|
|
|
|
|
|
Hull
Insurance |
$0.00 |
|
|
|
Liability
Insurance |
$199.00 |
|
|
|
Passenger
Insurance |
$0.00 |
|
|
|
Total
insurance cost |
$199.00 |
|
|
|
|
|
|
|
|
Storage
(incl hangar insurance) |
$790.00 |
|
|
|
Maintenance |
$300.00 |
|
|
|
NavCan
ANS fee |
$0.00 |
|
|
|
|
|
|
|
|
Total
fixed costs |
$1,289.00 |
|
|
|
|
|
|
|
|
Variable
Costs |
cost per
hour |
|
|
|
|
|
|
|
|
Fuel |
US gal/hr |
|
|
|
fuel data |
3 |
|
|
|
litres/hr |
11.355 |
|
|
|
cost per
litre |
$0.78 |
|
|
|
(after
tax rebate) |
$0.66 |
|
|
|
cost
per hour |
$7.49 |
|
|
|
|
|
|
|
|
Oil |
|
|
|
|
litres/change |
0 |
|
|
|
consumption/hr |
0.23 |
|
|
|
cost per
litre |
$7.50 |
|
|
|
oil
change periodicy |
1 |
|
|
|
cost
per hour |
$1.73 |
|
|
|
|
|
|
|
|
Engine
Overhaul |
|
|
|
|
TBO |
300 |
|
|
|
Cost of
Overhaul |
$2,200.00 |
|
|
|
number of
engines |
1 |
|
|
|
cost
per hour |
$7.33 |
|
|
|
|
|
|
|
|
Total
Variable costs per hr |
$16.55 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Cost
calculations |
Hrs flown |
Total cost |
Cost per hour |
|
|
0 |
$1,289.00 |
|
|
|
25 |
$1,702.82 |
$68.11 |
|
|
50 |
$2,116.63 |
$42.33 |
|
|
75 |
$2,530.45 |
$33.74 |
|
|
100 |
$2,944.26 |
$29.44 |
|
|
125 |
$3,358.08 |
$26.86 |
|
|
150 |
$3,771.90 |
$25.15 |
|
|
175 |
$4,185.71 |
$23.92 |
|
|
200 |
$4,599.53 |
$23.00 |
|
|
225 |
$5,013.34 |
$22.28 |
|
|
250 |
$5,427.16 |
$21.71 |
|
|
275 |
$5,840.97 |
$21.24 |
|
|
300 |
$6,254.79 |
$20.85 |
|
|
325 |
$6,668.61 |
$20.52 |
|
|
350 |
$7,082.42 |
$20.24 |
|
|
375 |
$7,496.24 |
$19.99 |
|
|
400 |
$7,910.05 |
$19.78 |