
Progress
2006
Jodel Project | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | Q&A
January
- March
A busy time in the hangar
at Taree. If it's not broken don't fit it!
 |
The three blade
warp drive ground-adjustable prope was set at 12 degrees
pitch and seemed to give plenty of thrust with the engine
running at up to 4200rpm static. This equals about 230rpm
for the prop |
 |
Installation of toe
brakes made taxiing easier |
 |
A major weakness in the design
of the undercarriage lead to a complete revision and it was
professionally welded early in the taxiing program |
 |
Twin downdraft weber carburetors
needed re-jetting. The 36mm IDF carbs had large fuel jets
with 32mm chokes. According to the book these carbs with a
throat cylinder required 32mm plus chokes but smaller fuel
jets. The spark generated by the LINK engine management computer
was adjusted using a software program on my laptop computer.
My Jodel friend John Hamburger was a bit taken aback! |
March
2006
Testing continues with
the drive line being beefed up.
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|
The Nisson Patrol clutch plate
less face material was bolted to the EJ22 flywheel which
had been machined to fit an EA81 ring gear. The fly wheel
now weighs 8.5kg, about 6kg heavier than the original aluminium
unit |
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|
Aluminium
flywheel and Nissan clutch centre
before they were sent to the feed lot for fattening up. |
April
2006
Taxi testing on the grass
strip at Taree - Click here for a brief
movie


May-August 2006
Eight hours of test running, resolving
engine/propellor issues before contemplating a full circuit.
September 2006
First circuit (solo),
Taree Airfield, September 6th - Pilot in Command was Bill Coote
Performance Ratings
to be Confirmed with Test Flying
Take off flap
20 deg. (5 clicks)
|
|
Best gradient
of climb
|
61 kts.with 20 deg flaps |
Best rate of climb
|
73 kts. Without flaps,
expect 600 ft/min |
Downwind 3800
rpm
|
70 kts |
Engine speed 5000
rpm
|
104 kts |
Engine speed 5500
rpm
|
113 kts |
Max engine speed
6000 rpm
|
122 kts |
Stall clean
|
45 kts |
Stall full flap
|
40 kts |
Flap limiting
speed
|
81 kts |
Down wind 3800
rpm
|
70 kts |
20 degrees flap
3800 rpm
|
? kts |
| Full flaps and
3800 rpm |
61 kts on final |
|