DLRA Rules for Vespa Streamliners

Here are some notes that are especially applicable to a Vespa streamliner (stuff that we have to worry about).

• • prior to construction submit plans for checking by scrutineer

  • must be firewall between engine and rider

  • must have a fire extinguisher system for rider and engine

  • must have fire suit conforming to rules

  • roll cage  (7.H.4 needs careful consideration)

    • • mechanical steel tubing - minimum diameter 1-1/4 inch (32mm)  and 2.3mm thick

      • 2 roll bars one forward and one behind the riders head

      • above riders head must be capped with 2.3mm steel plate

      • must cover the upper 140 degrees of the riders head

      • rider head movement limited to 50mm each side, top or rear

  • seat belts as spec'd are required

  • 7.H.6 confirm what "rigid inner liner" means

  • windscreen shatterproof and 120 degrees of horizonal vision

  • remote fuel shutoff required

  • rider pretected from tyres

  • canopy must allow exit from unassisted rider and also external persons

  • tyres have to meet speed rating

  • parachute is required (though this may be academic if the streamliner doesn't reach 175 mph for the first chute test)

  • steering needs to meet specs in 7.H.14

  • rear brakes are required

  • rules for skids are convered in 7.H.19

  • need a tow point