According to <a href="http:&#x2F;&#x2F;aviationweek.com&#x2F;blog&#x2F;nasa-cnes-warn-spacex-challenges-flying-reusable-falcon-9-rocket" rel="nofollow">http:&#x2F;&#x2F;aviationweek.com&#x2F;blog&#x2F;nasa-cnes-warn-spacex-challenge...</a> every 10lbs of recovery hardware loses you 1lb of payload, approximately.