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AnnaHillierMar2009_2244smal
Visit by ATM Anna Hillier
Date: 2009-Jun-30
Owner: Paul Valleli
Views: 358
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A_OldObsShed_027
Old Rolloff Obs with Celestron 8 built 1975
Date: 2009-Mar-11
Owner: Paul Valleli
Views: 366
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B_C8onPier_026
C8 on 8-ft. Lally column 5-inch diam. 1/2 buried in concrete and rubble
Date: 2009-Mar-11
Owner: Paul Valleli
Views: 367
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C_OldRolloffRoof_028
roof rolloff design
Date: 2009-Mar-11
Owner: Paul Valleli
Views: 329
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D_OriginalBase&Pier_1671
Base & Pier
Date: 2008-May-02
Owner: Paul Valleli
Views: 337
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E_ChaseGreen_ChainsawMassacre_064
ATM member Chase Green assisted with the taking down of several large pine and oak trees. He cut, I watched. He only knocked out the light pole twice!
Date: 2008-May-20
Owner: Paul Valleli
Views: 346
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F_PineTreeDown_5554
Date: 2008-May-20
Owner: Paul Valleli
Views: 313
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G_ObsasFramed_1716
New obs as framed on old concrete pad which is surrounded by concrete blocks, 6" of crushed stone under concrete for drainage
Date: 2008-May-16
Owner: Paul Valleli
Views: 330
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H_DomeRingconstru_5683
Dome Ring construction per ExploraDome plans
Date: 2008-May-29
Owner: Paul Valleli
Views: 334
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I_JohnReed&Paulconstru_5681
ATM John Reed assisting Paul
Date: 2008-May-29
Owner: Paul Valleli
Views: 326
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J_Cranepositioncheck-095
A wooden crane was constructed mounted to an inexpensive hydraulic engine hoist. I had to be sure it could reach the center of the mounting ring with the dome
Date: 2009-Jun-30
Owner: Paul Valleli
Views: 96
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K_ChaseGreen_Beam_bend
The beam showed extreme bending as the 350 pound dome lifted off the ground. STM member Wayne Hilliard calculated the stress as 7000 psi, dangerously close to the breaking strength of 10,000psi
Date: 2009-Jun-30
Owner: Paul Valleli
Views: 93
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