They say 'once bitten twice shy'. Filtering my fuel twice before the tank with a felt filter on the fuel jug's pickup and an automotive type paper element filter in my hand crank pump feed line, while using a std. brass clunk and an in line filter to the carb almost cost me a model on a dead stick due to a blocked carb. Simply switching from the brass clunk to a felt filtered clunk and removing the inline filter solved my problems.

Karol