David Griggs's Videos (Zenith Aircraft Builders and Flyers) - Zenith Aircraft Builders and Flyers 2023-06-03T05:35:05Z https://zenith.aero/video/video/listForContributor?screenName=07bny2awj4urc&rss=yes&xn_auth=no First engine run tag:zenith.aero,2016-06-29:2606393:Video:514151 2016-06-29T16:11:55.491Z David Griggs https://zenith.aero/profile/DavidAaronGriggs <a href="https://zenith.aero/video/first-engine-run-1"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/2180860392?profile=original&amp;width=240&amp;height=135" width="240" height="135" alt="Thumbnail" /><br /> </a><br />3,000cc, 120HP Corvair with William Wynne conversion parts and a Roy fifth bearing. Fuel tank is 1956 Ariel motorcycle. Fired with very little cranking. Sounded great! <a href="https://zenith.aero/video/first-engine-run-1"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/2180860392?profile=original&amp;width=240&amp;height=135" width="240" height="135" alt="Thumbnail" /><br /> </a><br />3,000cc, 120HP Corvair with William Wynne conversion parts and a Roy fifth bearing. Fuel tank is 1956 Ariel motorcycle. Fired with very little cranking. Sounded great!