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Larry,
I have a Cozy MKIV with a 1990 13B turbo. I bought a JDM engine, stripped it down, built the intake and other peripherals, and flew it that way for about 10 hours. I then removed the engine and rebuilt it. If I was doing it over, I'd just rebuild it up front. I did mine myself, and also with Tray's book and Bruce's video. It was pretty easy, and I don't consider my mechanical ability as a particular strong point.
If you do the mild street porting, you should easily get 180+ HP. I went the turbo route, and it does come with more weight, and more heat to dissipate.
If you want any photos, I would be happy to provide you with as many as you want.
John Slade is another Cozy builder with a 13B, also turbo. I haven't looked at his web site in a few years, but it has been very good. John took the time to document his project, in great detail. I just built mine, and while I kept a log, and took lots of photos, that was about it.
The 13B route is not for someone who doesn't like the experimental side of flying. There have been two other Cozy builders that after flying for a few hours have elected to change them out to the Lycoming.
As for me, I am very happy with my decision to go with the rotary. But, I also enjoy tinkering with it.
Regards,
Steve Brooks
Cozy MKIV N75CZ
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Larry Rasmussen
Sent: Wednesday, February 13, 2008 4:43 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] 13b engine
Hello,
I am currently building a Cozy MK IV and I am planning to rebuild a 1986 Mazda Rotary 13b. I have purchased Tracy Crook's Book and Bruce Turrentine CD and both book and CD have a lot of good information. However, there is still a lot I need to learn which are not discussed in these materials. In general, I am thinking I will do a street port in order to get the engine to 180 hp. My Question is does anyone have this configuration in a Cozy and am I on the right track?
Note: I have purchased new Rotor Housings and other parts, so my investment is growing. I thinking I could sell the engine if this is not a good Idea. Also, I could use suggestions as to where to get more information on installation of this engine in an aircraft.
Thank you in advance.
Larry Rasmussen
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