Electromagnetic launcher (EML) performance repeatability has been identified as a potential development issue for severa1 years. Investigation of this issue has been difficult since an EML that is powered on a relatively continuous basis to provide long duration operation has not been available. A battery charged capacitor power system has enabled long duration, six to seven seconds, EML experiments. This paper provides a summary of an experiment to investigate EML launch-to-launch performance consistency. A series of 8 ten shot bursts each separated by 15 to 30 minutes was performed in one day using a single set of bore materials. The experiment set-up is described, the experimental results discussed, and key parameters which could affect performance repeatability are identified,.