Date
|
Time
|
Individual
|
Activity
|
pre 24 Nov 2001 |
5 hours |
Loren |
Burner selection, purchase of parts. Selected Rupert
Wenig's mini-mongo. |
pre 24 Nov 2001 |
2 hours |
Loren |
Burner construction (manufacturing of jet, tapping, etc.) |
pre 24 Nov 2001 |
5 hours |
Marc/Loren |
Burner construction (machining of air-intake collar, boring of pipe
cap, tapping, tapping for set screws, etc.) |
24 Nov 2001 |
3 hours |
Loren |
Web-page construction. |
25 Nov 2001 |
11 hours |
Marc/Loren |
-
made outer forms using an old (small) oil barrel Marc had on hand.
-
made inner forms for middle section using ends from plastic bucket and
sheet aluminum
-
made inner form for base using plastic bucket, styrofoam, and doweling.
-
made aluminum sheath for barrel of minimongo propane burner.
-
cut and shaped holes in outer and inner form of base to accept burner and
sheath.
-
made inner form for vent-hole of lid using a plastic container.
-
ran support wires around inside of lid.
-
welded handle and mounting angle on lid.
-
made plinth forms from 2L plastic pop bottle. (4" diameter).
-
placed lifting bolts in middle piece (with supporting flat steel).
-
poured Dukast 2800 into middle section.
-
poured Dukast 2800 into approximately 1/2 of the bottom section.
-
poured Dukast 2800 into 6 plinths.
|
26 Nov 2001 |
1 hour |
Loren |
Purchased 2 more bags of Dukast 2800 (4 in total thus far). |
Pre 26 Nov 2001 |
3 hours |
Marc |
Time locating and purchasing various iron angle, pipes, and sheet. |
Pre 26 Nov 2001 |
3 hours |
Marc |
Meetings and information gathering. |
01 December 2001 |
5 hours |
Marc/Loren |
-
poured remainder of bottom furnace section.
-
poured lid.
-
poured 4 more plinths including two large ones. Used buckets as the
molds.
-
examined and cleaned center section. Removed inner mold.
-
cut and welded iron angle to form ingot molds.
|
06 December 2001 |
2 hours |
Marc/Loren |
Went to Andre's to see his set-up: molding bench, furnace, furnace
lifting mecanism, etc. |
08 December 2001 |
4 hours |
Marc/Loren |
-
removed inner form from furnace base and lid.
-
began curing refractory by firing until steam was present (not yet complete).
-
wrestled with the propane burner to get decent output in process of firing
(see design notes).
|
16 December 2001 |
1 hour |
Loren |
Web-page update. |
31 December 2001 |
1 hour |
Loren |
Purchase of hose, regulator, fittings, etc. from Mutual Propane. |
04 January 2002 |
9 hours |
Marc/Loren |
-
Assembled new propane fittings.
-
Fired furnace lining. Good propane flow: the lining is now
fully cured.
-
Used CAD package to design the lifting mechanism and frame.
|
05 January 2002 |
5 hours |
Marc/Loren |
-
Constucted a good portion of the furnace frame and lifting mechanism.
|
06 January 2002 |
|
Marc |
-
Assembled 4" crucible.
-
Made metal wheels for furnace frame.
|
10 January 2002 |
1 hour |
Loren |
Web-page update: beginning to include scanned photos. |
10 January 2002 |
1.5 hour |
Marc |
Construct 4.5" crucible pipe and bottom. Bottom not yet welded. |
12 January 2002 |
5 hours |
Marc and Garnet |
-
Mounted lifting arms.
-
Fabricated "L" brackets.
-
Corrected "L" brackets to give over-center action on lifting.
-
Construct vertical tube slide for lid and center sections.
-
Construct foot pedal arm to raise lid.
-
Notch right-hand lifting arm to allow lid to rotate fully to right (allowing
the lid to completely clear internal cavity).
|
13 January 2002 |
3 hours |
Marc and Garnet |
-
Designed and constructed removable handle to dolly around the furnace.
-
Constructed adjustable jack to support the outside end of the mongo burner.
|
14 January 2002 |
2 hours |
Marc and John |
-
Constructed tongs to lift the larger of the two crucibles.
|