two questions - pumps and spokes

PBo

1) bought a cheapo mini pump with gauge. guess it won't be that accurate, but anyone got any idea whether, as a rule of thumb, it might under or over read?

2) got a back wheel which really needs rebuilding - but thats for another day! However, whilst trying to true it, noticed one or two nipples/spokes have fused. Any idea how to release? additionally, last time I replaced a broken spoke, thought I'd prevent future aforementioned fusing by greasing threads, but now won't stay taut, and keeps loosening! should I have used something else?

ta

supersonic

With the spokes, try some dismantling fluid. If the are coming loose it is a sign the wheel is not correctly and evenly tensioned.

PBo

supersonic wrote:

With the spokes, try some dismantling fluid. If the are coming loose it is a sign the wheel is not correctly and evenly tensioned.

would such a fluid be a general diy purchase at b & q or a specialist purchase at lbs? Cheers

rolf_f

PBo wrote:

1) bought a cheapo mini pump with gauge. guess it won't be that accurate, but anyone got any idea whether, as a rule of thumb, it might under or over read?

It probably won't pump to a high enough pressure for the accuracy of the gauge to matter. Better of with a Leyzne Pressure Drive; no gauge but they are capable of reaching useful pressures and, post puncture, you really just need to get the tyres as hard as you can; the gauge adds little.