Kit tart that I am, I'm thinking about replacing my Coleman F1 lite with an Optimus Crux.
Reasons are as follows:
The F1 Lite has never let me down but it just feels a bit fragile; the Crux looks more robust.
If you look at the Crux, the burner head is wider than the F1 Lite and it appears to be much nearer the base of the cooking pot. There is 10mm of clearance between the top of the F1 Lite's burner head and the pan supports; I reckon this gap is halved on the Crux. This should mean that the Crux heats more evenly than the F1 Lite and that it is more fuel-efficient.
It looks as though the diameter of the Crux's pan supports is wider than the those of the F1 Lite so the Crux should offer more stability; I use an MSR kettle as a cooking pot and its diameter is almost exactly the same as that of the F1 Lite's pan supports so careful placing of the pot is necessary. I also use an MSR mug as cooking pot occasionally and I have to be even more careful as it is narrower than the kettle and could slip off the inside of one of the pan supports. This could not happen with the Crux as the pan supports extend across the top of the burner head.
Against the Crux is the fact that the gas regulator looks badly designed. It is right at the base of the burner and I can see it being fiddly to adjust while the stove is alight. The F1 Lite's regulator is about 10mm above the base and I've never had any trouble, even with a windshield encircling it and gloves on.
Has anyone tried both? Any thoughts on which is more fuel-efficient / stable / windproof / robust etc?