1. Echidna Integration Screenshots / Possible Modifications
Silber

2. Model in PDMWorks Nominal dimensions, taken from 300 mm proto
Internal details reasonable but not exact
Made an array of 19x on a 2.5 m sphere in 50 mm plate, mm pitch
Ferrule detail not DESI ferrule
Several configurations / concepts in the model

3. Views
FRONT
BACK

4. Views

5. Views

6. Views

7. Views

8. Spine balance
Modeled C.G mm from ball center

9. Counterweight 8.76 g at 18.93 mm from center of ball

10. Spacing between steel cups 0.93 mm

11. Spacing between piezo tubes 2.67 mm

12. Small counterweight interference with two adjacent spines at R = 10
Small counterweight interference with two adjacent spines at R = 10.4 mm

13. No counterweight interference at R = 6 mm

14. Accurate cup bonding concept
5/16” Ball (same size as spine)
Placed accurately w.r.t. rod tip
Hex (permanent) for back end wrenching
Rod tip
Nut with flat shoulder and centering tip
Stainless rod that fits through magnet hole
Piezo tube
Bond joint

15. Modified version wires route to front of focal plate via broached slot
hole sleeve protects wires
rear sleeve supports fiber
ball size 9/32” (reduced from 5/16”)
cup contact – doesn’t have the 3 tungsten carbide balls
tungsten counterweight
35 mm thick focal plate
ORIGINAL
MODIFIED

16. tungsten counterweight
Modifications
Extended to R = 10.4 mm
hole sleeve
threaded
rear sleeve
fiber spring clip
9/32” ball
tungsten counterweight
wire exit slot

17. Modified version views
wire routing slot

18. Modified version views

19. Modified version views

20. Modified version views

21. Modified version views

22. Modified version views

23. Modified version views

24. Tungsten counterweight balance