Message-ID: <002701c3d98a$aeb7c820$93a34a0c@unknown>
From: "Michael D. Callahan" <micallahan@worldnet.att.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2929754@logan.com>
Subject: Re: [FlyRotary] Re: 100 hp options.
Date: Mon, 12 Jan 2004 22:06:53 -0600
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David,
    Is the airboat English, or just the engines? Sounds like a pair of
Midwest engines, which are actually the Norton water-cooled motorcycle
engine. A guy in Australia has one in a Q2 and is VERY pleased with it. The
Midwest engines were rediculously expensive when new, about $15K. Mike C.
----- Original Message -----
From: "David Carter" <dcarter@datarecall.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, January 12, 2004 9:28 PM
Subject: [FlyRotary] Re: 100 hp options.


> There's an English built airboat 3 blocks from my house in a state of
disuse
> and disrepair.  It has two SMALL rotary engines.  Maybe I should get busy
> persuading the old owner to sell them to me - or anyone else who might
want
> to overhaul/refurbish them - been sitting out in the SE Texas Gulf Coast
> humidity for maybe 15+ years.
>
> If anyone is interested, I'll contact the owner - I have his number, if he
> hasn't passed away.
>
> David Carter
>
> ----- Original Message -----
> From: "Richard" <unicorn@gdsys.net>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Monday, January 12, 2004 6:21 PM
> Subject: [FlyRotary] Re: 100 hp options.
>
>
> Message
>   ----- Original Message -----
>   From: Russell Duffy
>   To: Rotary motors in aircraft
>   Sent: Monday, January 12, 2004 4:49 PM
>   Subject: [FlyRotary] Re: 100 hp options.
>
>
>   I intend to build a Zenair CH801 (13B), at the moment it is not approved
> by the PFA, my second choice is a CH701. My dilemma is ; to match a rotary
> to 100hp efficiently would it be best to "make" a single rotor, run a 13B
> direct, de-rate a 13B/PSRU or use the Soob EA81 that I already have.
>
>
>   Hi Tony,
>
>   Welcome to Flyrotary.  We're a pretty civil group here, so fear not :-)
>
>   As for your engine choice, I think the only reasonable Mazda rotary
option
> for 100 HP is the single rotor.  The normal 13B probably won't give you an
> acceptable power to weight ratio for only 100 HP.  For example, the
"normal"
> installed weight for a 13B is around 325#, which is a lot for only 100 HP.
> The good news is that several folks, including Richard Sohn (on the list)
> are developing some promising single rotors.
>
>   There are also some commercially available, smaller rotaries that would
be
> suitable, but they're expensive, and somewhat unavailable.
>
>   Cheers,
>   Rusty
>
>   Hi Tony,
>
>   I am attaching the data sheet of my One-Rotor converion.
>   The prove of principle version has run 5hrs. primarily for temperature
> cycles. The prototype version, which will be flyable, is in the works
right
> now. I will fly the prototype in my plane, hopefully sometime later this
> year.
>   I have no real plans yet of how to make it available to others.
>
>   Richard Sohn
>   N-2071U
>   unicorn@gdsys.net
>   www.gdsys.net/WWWmembers/unicorn/
>
>
>
> --------------------------------------------------------------------------
--
> ----
>
>
> > >>  Homepage:  http://www.flyrotary.com/
> > >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
> >
>
>
>
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