Sorry about that guys I thought the Tucker had a horozontally opposed four cylender four cylinder like the corvair six and the VW four air cooled. On Wed, 2 Jan 2002 21:13:48 +1200 Andrew Grebneff <andrew.grebneff@STONEBOW.OTAGO.AC.NZ> writes: > >Anybody mention the Tucker automobile engine, a helicopter engine > >conversion but boxer none the less. > > > >Stan > > Was that a boxer? Must/ve been a Lycoming or Continental? > > >Do any horizontal engines count here or do the cylinders have to be > on > >opposite sides of the crank? > > In the 50's John Deere tractors had two large horizontal > cylinders > side by side with the top of both pistons facing forward. To start > them > you hand cranked an exposed flywheel on the side of the tractor. > > That would be a flat parallel twin, but not a boxer. The crank > would > have been behind the cylinders, not between them. Similar layout to > most motorcycle twins. Toyota's rear-drive/4WD Estima/Previa/Tarago > had a flat-four, but it was a normal I4 laid flat on its right > side. > > A boxer MUST have a central crankshaft with paired cylinders, one > of > each pair on each side of the crank ie 180 degrees apart. Think of > a > boxer as a 180-degree V-engine (V-twin, V4, V6 etc), rather than a > 60 > or 90-degree, ie with the two banks of cylinders pushed down flat. > ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. |
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