Note that N+ arrow is not exactly aligned with gages. Balance is mounted on a 2.5" to 4" taper adapter. Cross-hash portion are contacts to model or calibration body. Dual allen-wrench bolts hold gage flexures, between cross-hashes are the forward and aft pin holes. Force inserted pins secure balance to model or cal body.
Note that N+ arrow is not exactly aligned with gages. Balance is mounted on a 2.5″ to 4″ taper adapter. Cross-hash portion are contacts to model or calibration body. Dual allen-wrench bolts hold gage flexures, between cross-hashes are the forward and aft pin holes. Force inserted pins secure balance to model or cal body.