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Bob Hadley

Bob Hadley
134 POSTS 7 COMMENTS
Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.

Parallels, Stops, and Travel Limiters

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Although the title might suggest it, this is not about parallel parking, speeding tickets, or driving of any kind.

Home Shop Machinist

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Trail of crumbs.

Chasing the Elusive Thread

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Chasing a thread (B) on the lathe involves engaging the feed system to make several passes using the 60-degree thread-form tool (A) until...

Home Shop Machinist

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Billet oil-drain elbow.

Silver & Deming and Step Drills

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Home shop machinist.

Machinery Mobilization

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Rich Seifert next to his Shopsmith Mark V combo machine. Factory wheels make the Mark V easy to maneuver. I've yet to meet someone...

Home Shop Machinist

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Be steady.

Sphere Turning

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Sphere turning.

Home Shop Machinist

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Gnarly good knurls.

Home Shop Machinist

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The vise squad.

In Case You Missed It

Letters

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A Life SavedThe article in the August issue, Fire in the Hole, about fire...

Experimental Vs. Certified

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As I go through our back issues for our Archive page and relive the...

Completions

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Stephen Port's RV-8Here is my RV-8 that I completed in June 2017. I...

Aero ‘lectrics

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Verticality.