The relatively small experimental machines that have been built so far have needed propulsion powers of 50 to 280 kW per ton of all-up weight.
Xa uthelekisa omatshini ekubonwe kubo abenziweyo okwangoku bafuna amandla okuqhubela phambili okungamashumi amahlanu ukuya ku-280 kw ngetoni enye yobunzima bubonke.