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Project:
JodelDH251
-
Listing for Category : controls
(Please mouse-over any icon to get a description of that function).
Categories
Show All Entries
- (122)
Wiring/Avionics
- (4)
Controls
- (8)
Empennage
- (22)
Engine
Firewall
Fuel System
- (7)
Fuselage
- (28)
Inspection
Instrument Panel
- (1)
Interior Finish
- (5)
Landing Gear
- (3)
Lighting
Paint / Decals
- (2)
Propeller
Research
- (1)
Seats
- (3)
Tools
- (1)
Wings
- (36)
Workshop
Fabric cover
- (1)
Builder Name:
David North
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Project:
Jodel DH251
-
VIEW REPORTS
Total Hours:
1201
Total Expense:
N/A
Start/Last Date:
Jun 01, 2012 - No Finish Date
Friendly URL:
https://eaabuilderslog.org?s=JodelDH251
Home or Last Project Picture
Oct 02, 2022
Autopilot servo mounting
- (4 hours)
Category: Controls
Decided to locate the roll servo in the left wing sinilar to the DR400. Fabricated a mounting bracket form .062 6061. Added 12mm spruce to pack out and strengthen the #2 rib.
Located the pitch servo at the rear under the cut out for the tailplane mass balance, similar bracket. Made a mounting panel from 3.5mm ply and 18X18 spruce
Spruce blocking
6061 roll mounting tray
IMG_6796.jpeg
Wood mock up of servo
Mounting panel for pitch servo
Pitch panel
gluing in place. Note the mock up cables , not the final ones.
Pitch bracket mounted
Oct 19, 2021
Cable Fairings
- (6 hours)
Category: Controls
Fabricated 6 cable exit fairings from 2 bid fiberglass over foam plug
IMG_6215.jpeg
IMG_6219.jpeg
May 03, 2020
Toe brake system
- (20 hours)
Category: Controls
Fabricated dual toe brake system copying the DR400 single master scheme. With torque tubes and ACS pedals.
Mock up board
Mock up
Threading pedal links
Pedal links, Left & right hand threaded
Torque tube
Drilling pedals
IMG_5399.jpeg
Machining Pedal arm
IMG_5406.jpeg
Mounting block with epoxy embedded bolts
Drilling mounting holes
IMG_5438.jpeg
Trim motor plate
Mounted
Jan 27, 2020
Control Sticks
- (4 hours)
Category: Controls
Bent steel tubing for control sticks. Used home made tube bender 1020 steel
Home made bender
IMG_5349.jpeg
Fitting before cutting to length
IMG_5351.jpeg
Dec 19, 2016
Refabricated some controls
- (10 hours)
Category: Controls
Re-machined the stabilator bearings and remade the trim tab hinges. The spherical bearings were a little loose in the old bearing blocks. The trim tab hinges were mounted too close the the end of the talplane ribs so I made them longer.
Angle boring
Boring the recess
IMG_2959.jpeg
IMG_2984.jpeg
Silver solder
IMG_2990.jpeg
Plugged the old hole and drilled new
Apr 17, 2015
Misc elements
- (6 hours)
Category: Controls
Pulley bracket Fin brace, Aileron pulley brackets
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IMG_1977.jpeg
Tail fin brace
IMG_1991.jpeg
Apr 02, 2015
Rudder Pedals
- (6 hours)
Category: Controls
Fabricated and welded rudder pedals
IMG_1929.jpeg
Tack welding jig
Delrin supports
IMG_1936.jpeg
Angle split on the table saw
IMG_1952.jpeg
IMG_1953.jpeg
IMG_1956.jpeg
IMG_1958.jpeg
IMG_1959.jpeg
IMG_2013.jpeg
Mar 15, 2015
Control Sticks
- (10 hours)
Category: Controls
Fabricated and welded up center control stick
IMG_1889.jpeg
IMG_1891.jpeg
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IMG_1899.jpeg
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IMG_1893.jpeg
Aerlion control bracket
Welding the lower pivot
Cutting the slot in the control tube
Cleaning up the hole with boring head
IMG_1904.jpeg
form block for lower pivot
IMG_1909.jpeg
IMG_1910.jpeg
IMG_1912.jpeg
IMG_1918.jpeg
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