What does HO, O, etc stand for

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real racing in HO scale, slotcar race set, , from 1970 16- 9 inch radius curved tracks, 2- 6 inch radius curved tracks, 3- 9 inch

real racing in HO scale, slotcar race set, , from 1970 16- 9 inch radius curved tracks, 2- 6 inch radius curved tracks, 3- 9 inch How to get HO scale slot cars to realistic speed and handling I am downsizing from 143 to HO and have seen many HO layouts I want to remain

best vegas slot machines Slot Car Scales SLOT SLIDERS HO slot cars•17K views · 20:51 Go to channel · Modeling Soldering a power