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Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 11
A Tribute to the Career of John Payne at NRAOA Tribute to the Career of John Payne at NRAO
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 22
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 33
J. P. Goes Sailing to Bermuda, May 1971J. P. Goes Sailing to Bermuda, May 1971
The good ship DelightThe good ship Delight•• Steel hull schooner, built ~1968Steel hull schooner, built ~1968--1971 by 1971 by CapCap’’nn
Dave Dave HeeschenHeeschen•• Design ca 1890Design ca 1890CrewCrew•• JPJP•• Sebastian von Sebastian von HoernerHoerner•• R. BrownR. Brown
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 44
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 55
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 66
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 77
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 88
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 99
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1010
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1111
NutatingNutating SubreflectorSubreflector for the 140for the 140--Foot Foot Telescope (installed Oct 1974)Telescope (installed Oct 1974)
Requirements:Requirements:•• Move from one rest position to another in 40 Move from one rest position to another in 40 msecmsec•• Maintain Maintain subreflectorsubreflector positioning when at rest to within positioning when at rest to within
0.001 inch.0.001 inch.Characteristics:Characteristics:•• Weight: 300 poundsWeight: 300 pounds•• Hydraulic linear actuators: 70 hp, 3000 Hydraulic linear actuators: 70 hp, 3000 psipsi•• Force on Force on subreflectorsubreflector: 2.5 tons (torque 7000 ft: 2.5 tons (torque 7000 ft--lbs)lbs)•• Acceleration at Acceleration at subreflectorsubreflector edge: 28 Gsedge: 28 Gs•• Compensated forces using Compensated forces using electrohydraulicelectrohydraulic servosservos
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1212
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1313
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1414
Keys to Managing Creative PeopleKeys to Managing Creative People
1.1. Assure that the Assure that the ‘‘ownershipownership’’ of a creative idea/initiative of a creative idea/initiative is clear to all. Ensure that the is clear to all. Ensure that the ‘‘ownerowner’’ visibly leads any visibly leads any development effort.development effort.
2.2. Never keep a creative person in isolation. Form a Never keep a creative person in isolation. Form a team of 2 (no more than 3) creative people that team of 2 (no more than 3) creative people that ‘‘ownerowner’’ leads.leads.
3.3. DonDon’’t dilute the creative team with others (e.g. t dilute the creative team with others (e.g. managers and mortals)managers and mortals)
4.4. Arrange early confrontations with reality via proofArrange early confrontations with reality via proof--ofof--concepts and prototypesconcepts and prototypes allocate sufficient resources allocate sufficient resources for tools, toys and support stafffor tools, toys and support staff
5.5. In the postIn the post--prototype stage, add a (thickprototype stage, add a (thick--skinned) skinned) ‘‘perfectionistperfectionist’’ to the team; transition the creative to the team; transition the creative people to other problems needing creative solutionspeople to other problems needing creative solutions
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1515
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1616
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1717
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1818
Robert L BrownRobert L BrownTribute to John Payne Tribute to John Payne
October 26, 2006October 26, 2006 1919