Here we go again...

We are never done! Introducing out latest cyclotron project - a 19.5 inch cyclotron.

Click on photos for a larger version.

Fig. 1 The vision (by Tim & Tim).

Fig. 2 Our progress towards the vision.

Fig. 3 We started with this old 12,000 pound magnet from 1947.

Fig. 4 Split the yoke into its two halves to remove the coils.

Fig. 5 Taking the coils off.

Fig. 6 Taking the coils off.

Fig. 7 Taking the coils off.

Fig. 8 The coils are off to reveal a solid yoke/pole tip assembly.

Fig. 9 A close up.

Fig. 10 Onto the next half.

Fig. 11 Set side-by-side

Fig. 12 Coil inspection.

Fig. 13 It does not look good.

Fig. 14 This coil weighs 1,000 lbs.

Fig. 15 Against the 12-inch magnet for comparison.

Fig. 16 Electrically, they test fine.

Fig. 17 They clean up nice too, but the cooling lines...

Fig. 18 Making the magnet table.

Fig. 19 Four-inch square tubing

Fig. 20 Enie's welds

Fig. 21 The frame coming together nicely.

Fig. 22 The table is done !

Fig. 23 Three proud amigos

Fig. 24 The magnet yoke upon the table.

Fig. 25 The magnet air gap is 3-inches

Fig. 26 This is the Harvard 95-inch cyclotron, compare it to the next photo.

Fig. 27 Amazing, no ? Our 19-inch cyclotron magnet was delivered by GE in Oct 1947, the Harvard magnet was delivered by GE two months later

Fig. 28 Tim, Tim the elder, T

Fig. 29 Tim, Tim the younger, t

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