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1306m-B & 1306m-C ( L - R )
Ret-ro rules anglewinder (-B version) and in-line (-C version), modification of 1306-design, using two construction methods (“hybrid-build” technique); all-wire frame with “damper” main rails, separate center-guide section attached to motor box with torsional inner section (wire version of “H” cut) made of 0.010” brass sheet backed with 0.039” wire, and torsional 0.010” brass sheet backed with 0.039” wire inner side pans and wire outer side “pans”; all-wire front “wings” modified to taper inward allowing use of bodies with narrower front ends (specifically TSR Marcos Mantis).