In this task, you are given a sentence or phrase in English. You must translate it to Xhosa in a way that is equivalent in terms of meaning and grammatically correct.

They were 45 feet long and could exceed 30 knots with their 250 horsepower petrol engine.
Zaye zingamashumi amane anesihlanu emitsi ubude zinako ukugqitha amashumi amathathu amqhina ngawawo umlinganiselo wamandla enjini yepetroli angamakhulu amabini namashumi amahlanu.

About 15 to 20 air propellers would then have to be installed on a 5,000-ton air-cushion vehicle.
Malunga neshumi elinesihlani ukuya kumashumi amabini abaqhubi bomoya bangafakwa kwiitoni ezingamawaka amahlanu ezithuthi zokhuselo-moya.

In the war, though powerful ships, their 19 knots were no good to a battle-fleet of dreadnoughts which manoeuvred at 21 knots.

Nangona inqanawa ezinamandla eqhineni lamashumi amabini ananye yayingalunganga kwidabi lomkhosi lokuqhuba inqanawa nokulawula..