Hi Joe. I have one of these. They called them a Streamliner after a train all right. Like Singer did with the 500 Rocketeer
to mimic the space TV shows of the 1950s. The Streamliner uses an angled rubber drive wheel which I'm having trouble
finding. Don't think there is any tension adjustment for the motor and wheel. Probably why they are using a tapered wheel. Have you tried to adjust yours?