 With the basic concept proven , the team then looked for a suitable aircraft to carry the receiver . Martlesham provided a Handley Page Heyford bomber , a reversal of duties from the original Daventry Experiment that led to the development of CH in which a Heyford was the target . One reason for the selection of this design was that its Rolls @-@ Royce Kestrel engines had a well @-@ shielded ignition system which gave off minimal electrical noise . 
