1 INTRODUCTION  
2 SAMPLE  
3 OBSERVATIONS AND DATA PREPARATION  
3.1 X-ray and radio data  
4 ANALYSIS  
4.1 Lobe shapes and ICM pressures  
4.2 Radio flux  
4.3 X-ray flux  
4.4 Internal lobe conditions  
4.5 Lobe-tip Mach number  
4.6 Jet power  
5 RESULTS AND DISCUSSION  
5.1 Deviation from equipartition  
5.2 Lobe pressure balance  
5.3 Lobe tip Mach number  
5.4 Jet power  
5.5 Lobe volumes  
5.6 Implications  
5.7 Systematic uncertainties  
6 CONCLUSIONS