These were historically distinguishable as two types : the " Monobloc " with integral, offset float chamber and " Concentric ", a later development with repositioned float chamber directly under the body and air-slide.
22.
It can also occur during hot starting; high temperatures may cause fuel in the carburetor float chamber to evaporate into the inlet manifold, causing the air / fuel mixture to exceed the upper explosive limit.
23.
This is particularly a problem in automobiles operated for only part of the year and left to stand with full float chambers for months at a time; commercial fuel stabilizer additives are available that reduce this problem.
24.
The voids ( built-in float chambers under the well deck ) would be systematically flooded, allowing the front end of the craft to sink, so a PBR could be floated in or out of the well deck.
25.
In 1798 there had been an attempt on the Somerset Coal Canal to use a system in which 20 tonne boats could rise and descend vertically in a float chamber, the boat contained within a timber caisson; this had been unsuccessful.
