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--- techtalk:ref:engmech03k [2019/07/20 23:32] – hippysmack
+++ techtalk:ref:engmech03k [2019/07/21 01:02] (current) – [Chopping OEM Sprocket Cover Into a Gothic Cross] hippysmack
@@ Line 9: / Line 9: @@
 ====== Chopping OEM Sprocket Cover Into a Gothic Cross ======
+Article by anachris of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=1860072)) \\
+\\
+Total of about 48 hours. \\
+Measurements taken with the graphic idea rough sketched. \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_1_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_2_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_3_by_anachris.jpg?direct&300|}} \\
+Two basic patterns of the cross were selected and mocked up. \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_4_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_5_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_6_by_anachris.jpg?direct&300|}} \\
-{{:techtalk:ref:engmech:sprocket_cover_mod_7_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_8_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_9_by_anachris.jpg?direct&300|}} \\
+After settling on the pattern, it's just a matter of gluing on a paper pattern over the cover and cutting it out. \\
+With the basic shape rough cut, a drill press with spiral cutter was used to clean up the mess of all the drill holes. \\
+The wrinkle black will be grinded, sanded and repainted wrinkle black as the rest of the engine with the nut painted red. \\
+The rough shaping was done with files and test fitted once again. \\
+{{:techtalk:ref:engmech:sprocket_cover_mod_7_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_8_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_9_by_anachris.jpg?direct&300|}} \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_10_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_11_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_12_by_anachris.jpg?direct&300|}} \\
-{{:techtalk:ref:engmech:sprocket_cover_mod_13_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_14_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_15_by_anachris.jpg?direct&300|}} \\
+Finish shaping and sanded with sandpaper and getting ready for the wrinkle paint. \\
+The cross portioned was masked off to keep paint from sticking to it. \\
+{{:techtalk:ref:engmech:sprocket_cover_mod_13_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_14_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_15_by_anachris.jpg?direct&200|}} \\
+The VHT wrinkle plus went on gloss (very gloss) with at least 3 coats at varying angles and given a couple of hours for the paint to set. \\
+Then it was heated in the oven at 200 degrees. \\
+For those using the VHT wrinkle paint, it takes a while to cure. \\
+It's very durable once it does finally finish gassing out. \\
+After about an hour in the oven, (this would be about 2 to 2-1/2 hours after first spray) a dental tool was used to remove the masking. \\
+This seemed to be a good time to pull tape very easily using the flat blade tool designed not to hurt enamel. \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_16_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_17_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_18_by_anachris.jpg?direct&300|}} \\
-{{:techtalk:ref:engmech:sprocket_cover_mod_19_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_20_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_21_by_anachris.jpg?direct&300|}} \\
+After it finishes curing, wash the adheasive off with solvent then block sand with 1000 grit wet to blend all lines back to crisp. \\
+And finally, a bit of re-polish on the cross and fitted. \\
+{{:techtalk:ref:engmech:sprocket_cover_mod_19_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_20_by_anachris.jpg?direct&300|}} \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_22_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_23_by_anachris.jpg?direct&300|}} {{:techtalk:ref:engmech:sprocket_cover_mod_24_by_anachris.jpg?direct&300|}} \\
+A brass woven mesh sheet was cut as a backing for the sprocket cover. \\
+(unpolished, mill finish, ASTM E2016-06, 12" width, 12" length, 0.025" wire diameter, 54% open area) \\
+{{:techtalk:ref:engmech:sprocket_cover_mod_21_by_anachris.jpg?direct&200|}} \\
+Finished product: \\
 {{:techtalk:ref:engmech:sprocket_cover_mod_25_by_anachris.jpg?direct&300|}} \\

Trace: • EVO: Engine Mechanicals - Sub-04E • EVO: Engine Mechanicals - Sub-09E • EVO: Suspension - Sub-01C

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