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  1. R

    Derailments and couplers

    Furtak, What do you mean by a prototypical coupler? I see what you mean by the brass tab. The car behind my B&M GP-7 has less derailures than the same car does behind my BN GP-7. The coupler on the B&M is looser which helps with the turns, but it won't return to center automatically when cars...
  2. R

    Derailments and couplers

    Catt!, I'm running Atlas GP-7's (3) and an Atlas GP-9. Once the locos and cars are into the turn they seem to handle the turn okay. Your suggestion of transitioning from the straight to the 9 inch radius turn with a slightly greater radius could solve my problems. Ill give it a try. Thanks, Roger
  3. R

    Derailments and couplers

    The couplers on my locos are all body mounted and the description by Shamus of the loco coupler swinging out over the track and causing the cars to derail is accurate. I did notice that the coupler spring on the locos doesn't seem to deflect inward much, if at all, during the turn. Is there a...
  4. R

    Derailments and couplers

    I'm using the stock Rapido(sp) couplers. Will the couplers you mentioned cure this woe?
  5. R

    Derailments and couplers

    I'm a newbie to model railroading and chose n scale because space is limited. The rear coupler on my atlas engine derails the car it is pulling when it goes around a 9 inch radius atlas turn by pushing the coupler on the car to the outside of the curve. This causes the outside wheel to ride up...
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