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DOHC EA82 (Aviation)
Posted 04 September 2012 - 10:30 PM
I wonder, roughly, how much money this guy stuck into this EA82? I have never seen anyone really build up an EA82 and run it in a car, everyone goes the EJ route (Which is fine and dandy) but a custom DOHC EA82 would be novel in a EA81/EA82 chassis.
Feel free to comment, post questions or thoughts on this topic. DO NOT let this turn into another Flame war over the long debated "EJ swap it" method.
Posted 04 September 2012 - 10:39 PM
Posted 04 September 2012 - 10:43 PM
Posted 04 September 2012 - 11:40 PM
I looked through the other videos he had uploaded and found this:
DO NOT let this turn into another Flame war over the long debated "EJ swap it" method.
Sorry, sounds like even they EJ swapped it.
This is a normally aspirated Subaru EJ 2 Litre engine mounted in a two seat Dominator Gyrocopter.
This is the first time running with this engine. Previously it had an experimental double overhead cam engine.
Sad ending to the story is the pilot ended up dieing in a crash with that autogyro.
Cool heads though. I wonder if they modified some existing 4cyl castings with the same bore center or if they poured their own? Would be neat to find out more info on how it was done.
Edited by WoodsWagon, 04 September 2012 - 11:46 PM.
Posted 05 September 2012 - 08:54 AM
So, JesZek posted this video link in his "BumbleBeast" thread. ...
Yes, and way before on the "Strange & Weird Subaru Stuff" Thread... along this:
RAM Engines, the company that Modify Subaru Boxer Engines to use in Light Airplanes, is Back!
Now they not only does EA81's
But they Have a Modified EA82 too!
And also a 2.3L engine, based en the EJ22!
Look Here: http://www.ramengines.com/
It will be Nice to Drive a Subie with a DOHC Twin Spark EA82...
Posted 05 September 2012 - 12:43 PM
they showed me their conversion of EA81 heads (i think that's what it was, i've never gotten into EA81's) from single port heads to dual port heads. cool looking at a bunch of heads cut at various places into pieces to inspect the ports and passages. they have a lot of time, research, parts, and equipment into what they do, so the costs are going to represent that.
Posted 05 September 2012 - 02:06 PM
Twin Spark means it uses a couple of SparkPlugs for each cylinder... interesting!
Pretty much all aircraft engines both certified and experimental run two full ignition systems primarily for reduntant emergency purposes but two sparks have other benefits too. At least one of the two ignition systems is usually a magnito which continues to provide its own spark in the event of electrical failure.
And Subruise is correct. Anything that goes on an airplane is painfully expensive. 15-20k for a motor will usually only get you a powerplant for experimental use only that is in a box on the floor, uninstalled. Testing and insurance are prohibitivly expensive and the cost of the certification process is staggering. But the people determined enough to be in that industry do come up with some fantastic stuff!
Posted 20 January 2013 - 09:16 PM
I've spent many, many hours reading his threads in Gyrocopter forums, and beside learning info about those, I collected these photos of the DOHC EA82 engine, which he named as: "AutoFlight 140N" due to its Easy 140 Hp it Develops:
Edited by Loyale 2.7 Turbo, 20 January 2013 - 09:21 PM.
Posted 21 January 2013 - 06:37 PM
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