Mailing List flyrotary@lancaironline.net Message #47107
From: H & J Johnson <hjjohnson@sasktel.net>
Subject: Re: [FlyRotary] Re: Interested in cog-belt PRSUs?
Date: Fri, 10 Jul 2009 15:18:11 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Thanks, no hurry what-so-ever, just would like to see them is all :)

Jarrett

 

 

> Jarrett:
> If I can find them, I'll let you know ... we'll figure out what to
> do after that - perhaps I could photo-copy and mail them to you.
> Jeff
>
> From: Rotary motors in aircraft [flyrotary@lancaironline.net] On
> Behalf Of H & J Johnson
> Sent: Friday, July 10, 2009 1:01 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Interested in cog-belt PRSUs?
>
>
> Jeff, I'd be interested i seeing a copy of them if possible..
>
> Thanks
>
> Jarrett
>
>
>
>
>
>
>
> > Hi Bernie, I used to have a Ford V6 with a Blanton Drive - there
> > was no TV damper built into the 2:1 ratio drive.
> > Near the end of my V6 days I contacted a guy in British Columbia
> > (Mike Hirshfield) about his V6 installation which was very
> > successful - he was flying exclusively on floats and had a NOS
> > system which boosted his rpm to 4800 on take-off - he claimed
> > better performance than Cessna's with 0-470's. Anyway he had a set
> > of drawings for his reduction drive - I couldn't make sense of
> > them - he said if I took them to any machine shop they would be
> > able to make the necessary parts.
> > If you're interested, I'll dig them out and try to get you a copy.
> > Jeff
> >
> > From: Rotary motors in aircraft [flyrotary@lancaironline.net] On
> > Behalf Of Berniehb7448@wmconnect.com
> > Sent: Thursday, July 09, 2009 4:53 PM
> > To: Rotary motors in aircraft
> > Subject: [FlyRotary] Interested in cog-belt PRSUs?
> >
> > To George ( down under) and others interested in cog-belt PRSUs:
> >
> > (Bernie: "George, you're upside down!" George: "No, no, YOU'RE
> > upside down!! I can see perfectly well that I and other people,
> > and houses, and telephone poles, and dogs are upright! SO THERE!!"
> >
> > Here endeth the silly stuff.
> >
> > George, you wrote "Ask about weight, type of torsional vibration
> > DAMPER, density of Damper, tracking adjustment, density of engine
> > mount rubbers, and HP limits". Which rotary model should they
> > focus on, like the 13B, 13B Turbo, the Renesis, 20B as having the
> > potentially greatest demand? Same for potential demand for"normal
> > vertical" engine orientation or "Plugs Up".  They will have to
> > expect a potential market for the effort in designing and making
> > one or maybe 2 versions of a belt PSRU for the Rotary.
> >
> > You other guys, please join in with questions that should be
> > asked, or other strategy points. I don't want to make this inquiry
> > without ducks aligned. Have you ever made a technical inquiry and
> > you were ignored? It's happened to me, and I was angry and
> > frustrated, worst of all, I was not being taken seriously and I
> > did not get the needed information.
> >
> > Let's hear from you. For those that have missed the beginning of
> > this, it's about the first Cog Belt PSRU that I have seen with a
> > torsional vibration damper instead of the driver pulley mounted
> > straight on the flywheel. George found them in Brazil and sent the
> > web addresses to me. The site is in Portugese only (except the
> > numbers are in English - yuck yuck). We want to know a little more
> > about their PSRU, and if they could be interested in trying out
> > for a Rotary PSRU. We're basically asking them to spend a lot of
> > money, engage in a lot of effort and sweat, and it's all a big
> > risk for them:
> >
> > http://www.altaircoelho.com.br
> >
> > http://www.altaircoelho.com.br/ac53fotos.html?Submit2=Fotos+AC+53
> >
> > Thanks, Bernie.
> >
>
> --
>
>
>
> Homepage:  http://www.flyrotary.com/
>
>
>
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