-------------- Original message --------------

> Hi Jerry,
>
> Try here:
> http://www.buyfordracing.com/shop/product_info.php?products_id=360
>
> $259 for a set of 8. If you only want 4, I might be interested in the other
> 4. Write me off list.
>
> I used to have this on the Wiki, but everything since March 8 has magically
> dissapeared.
>
> Bob W. (More frequent backups on the agenda.)
>
> On Tue, 22 Mar 2005 18:29:39 -0500
> Jerry Hey wrote:
>
> > Thanks Ken, since I am building the fuel rail and injecting into the
> > bell mouths the Ford's can be easily installed. Glad to hear the
> > electrical hook up is the same. If I just say "Ford 42 lb injectors,"
> > are they properly identified? I'm tired of planning. This week end
> > I will start to actually build the intake. Jerry
> >
> >
> >
> >
> >
> > On Tuesday, March 22, 2005, at 06:06 PM, kenpowell@comcast.net wrote:
> >
> > > Jerry, the Ford injectors are not directly compatible. Here are the
> > > details:
> > > ENGINE SIDE FUEL RAIL SIDE
> > > Ford 0.55" 0.55
> > > Mazda 0.65 (with the FAT Mazda rubber ring)
> > > 0.435
> > > Note that the electrical connector is the same (center spline
> > > top/inside and center lower outside). So, the Ford injector will hook
> > > up electrically but the fuel connectors must be different.
> > > Ken Powell
> > > Bryant, Arkansas
> > > 501-847-4721
> > >
> > >
> > > -------------- Original message --------------
> > >
> > > > Ken, are the Ford injectors interchangeable with the stock Mazda
> > > > injectors as far as size, plug and so on? If so, do you have a part
> > > > number? BTW sorry but there is no way you can run a p port at 7500
> > > > rpm and only get 225 hp. Can you accept 240? Jerry
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Tuesday, March 22, 2005, at 03:48 PM, kenpowell@comcast.net wrote:
> > > >
> > > >
> > > > But this graph was for a carburated engine so it really
> > > > proves nothing. Besides, the engine only needs to be as rich as we
> > > > want to run - you can't hurt the engine by running lean (I know, if
> > > > you run it into the trees on a 100 F. day that will HURT it!!!). I
> > > > have not seen any graphs showing power improvement beyond 0.6 on a NA
> > > > engine and with very little to be gained by going beyond .55. If
> > > > anyone can educate me differently please do so (no kidding, I'm
> > > trying
> > > > to learn). I'm planning on using 42 lb Ford injectors for my P-Port
> > > > motor, if this isn't enough I want to know (planning on 225 HP at
> > > 7500
> > > > RPM).
> > > >
> > > > Ken Powell
> > > >
> > > > Bryant, Arkansas
> > > >
> > > > 501-847-4721
> > > >
> > > >
> > > >
> > > >
> > > > -------------- Original message --------------
> > > >
> > > >
> > > > v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);}
> > > > w\:* {behavior:url(#default#VML);} .shape
> > > > {behavior:url(#default#VML);} st1\:*{behavior:url(#default#ieooui) }
> > > >
> > > > Arial0000,0000,8080Rus
> > > > ty,
> > > >
> > > >
> > > > Arial0000,0000,8080Are
> > > > you sure youÌre allowing yourself enough margin on the top end by
> > > > using .55 bsfc. This chart (snitched from the other list) indicates
> > > > that .55 is about right up to around 7500, but at 8000 rpm bsfc will
> > > > be up around .60. What does that do to your hp numbers?
> > > >
> > > >
> > > >
> > > > Arial0000,0000,8080
> > > > smaller>
> > > >
> > > >
> > > > Arial0000,0000,8080Mar
> > > > k
> > > > S.
> > > >
> > > >
> > > > Arial0000,0000,8080
> > > > smaller>
> > > >
> > > >
> > > ><
> > > >
> > > >
> > > >
> > > > Arial0000,0000,8080
> > > > smaller>
> > > >
> > > >
> > > ><
> > > >
> > > >
> > > Times New Roman
> > > >
> > > >
> > >
> > > >
> > > > From:Rotary motors in
> > > > aircraft [mailto:flyrotary@lancaironline.net] On Behalf
> > > > OfRussell Duffy
> > > >
> > > > Sent: Tuesday, March 22, 2005 2:25 PM
> > > >
> > > > To: Rotary motors in aircraft
> > > >
> > > > Subject: [FlyRotary] Re: fuel injector size, and redrive
> > > > losses
> > > >
> > > >
> > > > Times New Roman
> > > >
> > > >
> > > > Times New RomanRC Engineering's calcs show
> > > > that you are good to 302 HP at 43 psi fuel pressure, .50 BSFC, and
> > > > 100% duty cycle. Of course you can't run the injectors at 100%
> > > > (except maybe briefly like a drag race, not applicable to aircraft).
> > > > So at 80% duty cycle the 38 lb injectors should be good for 242 HP.
> > > > Enjoy your idle!!! Your injectors are big enough unless you P-Port
> > > > and turn at least 8000 RPM.
> > > >
> > > >
> > > >
> > > > ArialFFFF,0000,0000Hi
> > > > Ken,
> > > >
> > > >
> > > > Times New Roman
> > > >
> > > >
> > > > ArialFFFF,0000,0000RC
> > > > Engineering's calc shows the same as the fuel calculator that I
> > > > posted the other day. Four 38 lb/hr injectors, at 80% duty cycle, .55
> > > > BSFC, should be good for about 220 HP at the flywheel. I imagine that
> > > > will be enough for the current engine, but not by a wide margin. I
> > > > plan to run this engine as high as 8000 if I can, though I'll be
> > > > amazed if I can get beyond 7500. Don't need no stinkin' P-Port for
> > > > these rpms :-)
> > > >
> > > >
> > > > Times New Roman
> > > >
> > > >
> > > > ArialFFFF,0000,0000On
> > > > the fuel spreadsheet that I posted (stolen) the other day, it gives a
> > > > HP figure for the flywheel, and rear wheels. The estimate for
> > > > the power loss due to a manual trans and diff is 15% on this
> > > > spreadsheet. Anyone know what this amounts to for our redrive, and
> > > > prop?
> > > >
> > > >
> > > > Times New Roman
> > > >
> > > >
> > > > ArialFFFF,0000,0000Cheers,
> > > > or>
> > > >
> > > >
> > > > ArialFFFF,0000,0000Rusty
> > > > (hoping Ed out types me)
> > > >
> > > >
> > > > Times New Roman
> > > >
> > > >
> > > > ArialFFFF,0000,0000
> > > > fontfamily>
> > > >
> > > >
> > > > <
> > >
> >
>
>
> --
> http://www.bob-white.com
> N93BD - Rotary Powered BD-4 (real soon)
>
> >> Homepage: http://www.flyrotary.com/
> >> Archive: http://lancaironline.net/lists/flyrotary/List.html