I’ve used a Coleman Model 400A Peak 1 stove for most of my backpacking since 1987, but when I had an opportunity to get a 400 stove, the 400A’s predecessor, I thought I’d get it and see what makes it different. I found the stove locally with a Continue reading
Roughly 6 months ago I bought an Optimus International 323 backpacking stove. I believe this is a stove from the 1970’s, however, I cannot find much information about it. The size is similar to the brown Coleman 400 stove from that same era. Not knowing much about it I figured it would be interesting to have a close look at this design. I studied the auction photos and it was clear that something was leaking as the plastic knobs were partially melted and was likely on fire Continue reading
Frustration . . . that’s the word which describes the M1942 and M1950 NRV (Non-Return-Valve), a.k.a. check valve (The Department of the Army Technical manual, TM10-708 calls it the air check valve). The problem is that the original rubber gaskets get old, dry out, and then fail to seal, allowing fuel to enter the pump tube. Some people say that this is one of the two primary causes for stove fires on these two stoves. The other is the pump-tube-to-tank gasket (TM10-708 calls it the filler cap gasket).
The check valve Continue reading