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Subject: Re: [FlyRotary] Re: New lurker on the list
Date: Fri, 22 Jun 2007 11:58:46 -0400
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Shane, Unless you plan to fly very conservatively, you will need to=20
replace the stock turbo. Or as a few people have done get the unit=20
modified to prevent overspeeding at high altitude. Several guys flying=20
with the stack turbo have even REMOVED the waste gate valve entirely,=20
(that's right just the holes), and they still have overspeeding and=20
breakage. Typically the turbine self destructs and you lose boost but=20
the plane is still flyable fortunately. Check the archives for some of=20
the mods done to the stock turbo for aircraft longevity.
Bill Jepson


-----Original Message-----
From: Shane Daly <shane@innovativewings.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, 22 Jun 2007 8:25 am
Subject: [FlyRotary] Re: New lurker on the list


Thanks Ed,

=A0

I already have an old style 13B turboed engine that I am starting with,=20
so that decision has been made. I also have a local=A0guy that=20
specializes in building=A0 rotary's for racing and he has done a couple=20
of aircraft engines in the past. He is Adam of RX-7 Specialties.

=A0

Thanks again,

=A0

Shane Daly


----- Original Message -----

From: Ed Anderson

To: Rotary motors in aircraft

Sent: Thursday, June 21, 2007 6:35 AM

Subject: [FlyRotary] Re: New lurker on the list


Welcome aboard, Shane

=A0

A 13B turbo should make that Glasair really boogie.=A0 All questions are=20
welcomed, responses are varied but, we do have folks with decades of=20
rotary engine experience and real -world experience with the use of it=20
in racing and aircraft.=A0 Data, opinions, rationale, facts,=20
speculations, problems, challenges, wishes and hopes can all be found=20
here, you're responsible for sorting them in to appropriate categories=20
{:>).

=A0

I would say the first decision you need to make about the engine is=20
whether to go with the newer Rensesis 13B or the older Rx-7 13B.=A0 If=20
you want turbo, the Renesis does not currently (but rumors abound about=20
a future Forced Induction Renesis) come configured for one - although,=20
it is certainly possible to roll your own turbo version.=A0 Members of=20
the list have found that for the most part the stock automobile turbo=20
which is=A0 designed for short power bursts does not do well in aircraft=20
application (although with very low boost levels, some have had=20
success). =A0 So a different turbo package would likely be the smart=20
thing in any case.=A0 Plenty of older 13B's around but of course the=20
parts availability down the road will probably start to decrease.=A0 Both=20
the older 13B and Renesis appear to work equally well -=A0with the=20
Renesis giving a bit more power.

=A0

Just one of the many design decisions you will face.

=A0

So, again welcome to the list.

=A0

Best Regards

=A0

Ed

=A0

Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda/index.html

=A0

=A0


----- Original Message -----

From: Shane Daly

To: Rotary motors in aircraft

Sent: Wednesday, June 20, 2007 10:23 PM

Subject: [FlyRotary] New lurker on the list


Hi all,

=A0

I am new to the list just getting started on a 13B turbo conversion I=20
plan to put into a Glasair 1TD that I am also just starting to build. I=20
have built a few fast glass aircraft in the past, so I have no issues=20
with putting the Glasair together, but I am green when it comes to=20
building up a rotary. I hope you don't mind a few newbie questions once=20
in a while? I have gone through the archives and there is a lot of=20
great info there, so that is where=A0I will start. I look forward to=20
getting to know both the engine and the community as I progress.

=A0

Shane Daly
Calgary, Canada


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