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CHCAT PROGRESS REPORT DECEMBER 2000

BFG LANDING GEAR DIVISION CHCAT. CHCAT PROGRESS REPORT DECEMBER 2000. STATUS. CONDUCTING THREE FULL SCALE TESTS: 1. Fatigue of entire MLG - Dash-8 Series 400. 2. High Cycle (Dithering) wear test on hydraulic actuator. 3. Fatigue of MLG pistons 5” and 10” OD (Cr vs. WC-Co-Cr).

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CHCAT PROGRESS REPORT DECEMBER 2000

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  1. BFG LANDING GEAR DIVISION CHCAT CHCAT PROGRESS REPORTDECEMBER 2000 STATUS CONDUCTING THREE FULL SCALE TESTS: 1. Fatigue of entire MLG - Dash-8 Series 400.2. High Cycle (Dithering) wear test on hydraulic actuator. 3. Fatigue of MLG pistons 5” and 10” OD (Cr vs. WC-Co-Cr).

  2. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST MILESTONES • Qualification Test Procedure (QTP) issued. • Test Rig - Superstructure design complete April/2000. • To be delivered August 25/2000. • Loading system design complete April/2000. • Test Rig calibrated Feb/2001. CURRENT STATUS • Most Parts Coated by VacAero, Piston to be Coated and Ground by SouthWest. • Concern: no grinding facilities in Canada.

  3. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST

  4. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST

  5. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST

  6. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST

  7. BFG LANDING GEAR DIVISION CHCAT TEST 1: MLG FATIGUE TEST

  8. BFG LANDING GEAR DIVISION CHCAT TEST 2: HIGH CYCLE WEAR TEST MILESTONES • QTP Issued. • Test Rig - Complete. • Test Engineering and Test Article complete. • 90 % of one life complete, 66% overall complete • CURRENT STATUS • Rig running again, slowed by rig compensator problems.

  9. BFG LANDING GEAR DIVISION CHCAT TEST 3: PISTON FATIGUE TEST MILESTONES • Engineering test requirements issued May 2000 • QTP issued August 2000. • Engineering design complete. • Test rig design to complete for 5”, 80% for 10”. • Test articles required: 5” OD Piston 10” OD Piston 3 Cr - 3 HVOF 3 Cr - 3 HVOF Rough Machined Awaiting material

  10. BFG LANDING GEAR DIVISION CHCAT TEST 3: PISTON FATIGUE TEST TEST CONFIGURATION

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