1. on a blade powered indy what thickness and made of what is everyone using to space the prop centre bearing from the mounting plate is 25mm enough
2. which is the fuel feed on the blades carbs the bottom one or the top one...
don't forget i'm that old the only carbs i've worked on are the old amal monoblocks
tony

Hi Tony,

Not sure about the prop centre bearing spacer, was thinking the same question myself!

Fuel inlets are the bottom hoses on the carbs, top is breather.

HTH,
Rich.

Our propspacer is made from Aluminium plate 9.5mm thick x3 = 28.5mm

HTH

Steve