Dinghy Launching Trolley For Inflatable Boats. A new introduction for the 2016 season our unique Swift dinghy launching trolley fitted with larger rear supports to accommodate small ribs and inflatable boats. Each support on the launching trolley is 2 feet long giving maximum support. The supports on the launching trolley can also be turned to run parallel with the trolley to enable good support on inflatable dinghys. Galvanized steel construction, polypropylene non marking snubbers, all fully adjustable making this launching trolley a perfect choice. A off road towing attachment is available for this dinghy launching trolley