X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from elasmtp-dupuy.atl.sa.earthlink.net ([209.86.89.62] verified) by logan.com (CommuniGate Pro SMTP 5.2c1) with ESMTP id 2609010 for flyrotary@lancaironline.net; Fri, 21 Dec 2007 18:14:50 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.62; envelope-from=Dastaten@earthlink.net Received: from [64.91.205.149] (helo=[192.168.1.100]) by elasmtp-dupuy.atl.sa.earthlink.net with asmtp (Exim 4.34) id 1J5r4F-0001mU-No for flyrotary@lancaironline.net; Fri, 21 Dec 2007 18:14:12 -0500 Message-ID: <476C48D6.8000908@earthlink.net> Date: Fri, 21 Dec 2007 17:14:30 -0600 From: David Staten User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Fw: Give A Head Start to Your Car with our Electric Supercharger!! References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-ELNK-Trace: 9a30bff84e6cb88f95c85d38d22416599ef193a6bfc3dd481e3d29ebf2394be0e39494c51b7cbf9da2d4e88014a4647c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 64.91.205.149 Guys... Electric Superchargers of any significant boost are going to require several batteries to provide the wattage required. The batteries would provide a few MINUTES of boost. Good enough for drag strips.. not good enough for plane use. Dave Ed Anderson wrote: > Certainly some fascinating claims, Dave. 1 psi would appear in the > feasible category on the one. The $299. price for the other which > from the photo appears not to be a turbo compressor scroll, but black > ABS plastic which is different from the Thorton photo of a turbo > compressor scroll for $99.00. > > The Thomas Knight electric supercharger appears the most credible by > far. He is using 3 starter motors to drive a positive displacement > compressor to get 3-6 psi boost using 700 amps at 12 volts - It > appears he went to three 12 volt batteries in series to get the > voltage higher and lower current. So that installation has got to > weigh a ton counting the three batteries. > > Still looks like the mechanical driven supercharger or exhaust drive > turbocharger are still the most credible means of forced induction. I > had hopes for the Aeorchallenger Turbo that came out requiring no > lubrication lines back a few years ago (had its own self contained > lubrication), but they never had one for the rotary and it appears > they have vanished from the scene. > > Well, fun to think about a $99 supercharger that would produce 3-6 psi > of boost - but, I don't see it happening. So guess got to wait for > the 16B as Dave suggested. > > Ed > > ----- Original Message ----- > *From:* David Leonard > *To:* Rotary motors in aircraft > *Sent:* Thursday, December 20, 2007 11:42 PM > *Subject:* [FlyRotary] Re: Fw: Give A Head Start to Your Car with > our Electric Supercharger!! > > OK, here is another company that seems to be selling the same > supercharger at the same price: > http://www.electricchargers.com/ > at least they have an address (Tacoma, WA) and a phone number to > call for further info. > > Here are some video of people playing with them... > > Launching beer cans: > > http://www.youtube.com/watch?v=oGQ-Xsj7hE4&NR=1 > > > 6 psi of static boost: > http://www.youtube.com/watch?v=b6kvkR_NX8w&NR=1 > > > *Here is a similar company* with* more info* and a different > product. Specifically, they have much more realistic claims, > looks to be a compact size as well. I think this is the real deal. > > http://www.electricsupercharger.com/products-eram.html > > Here is the report (from a different website) of a guy who put one > of those on his NSX: > > http://www.240sx.org/faq/articles/superchargers.htm > > No need to add an extra battery Ed, If you are just using short > bursts it will draw off your current battery. > > Here is a guy who tried to build his own out of a Marine > blower... did not work, tiny little motor so probably not a fair > comparison: > > http://homemadeturbo.com/tech_projects/el_blower/index.html > > Finally, here is a Q and A from a guy who built his own for real > racing... won't apply to us, but he did it right (just does not > say how) > > http://www.turbomagazine.com/tech/0406tur_knight_turbo_electric_supercharger/index.html > > > Dave Leonard > > On Dec 20, 2007 6:57 PM, Ed Anderson > wrote: > > This is the response I got from Thorton Electric Supercharger. I > specifically asked for weight which is not given. You be da > judge. > > Ed > > > Hi, > > > > Yes, we do have the specific model of supercharger package > you need for > > your Mazda Rx-7. > > > > We personally guarantee 30% gains in horsepower and torque. > Your actual > > gains will depend on your existing engine conditions. > > > > The price of one supercharger and complete package including > shipping > > comes out to US$124.95 for customers outside of the USA, USA > customers > > will pay US$109.95. > > > > Extraneous testing sources indicate the following results : > > > > Air Flow: 1100CFM > > Pressure: 8 PSI > > Motor Speed: 25000 RPM > > Current: 50 AMPS > > Power Consumption: 600 Watts > > > > The installation instructions that are included with your > order will > > explain how to do a professional install in a matter of a > couple hours. > > The supercharger will hook in parallel with your intake, and the > > performance chip will hook up in parallel with your ECU. > > > > > > Delivery will take 1-2 weeks. > > > > > > If you have any further questions, feel free to ask. > > > > thanks, > > Jeff > > > > > >> -------- Original Message -------- > >> Subject: Contact Us > >> From: eanderson@carolina.rr.com > > >> Date: Thu, December 20, 2007 9:32 am > >> To: sales@electricsupercharger.net > > >> > >> Name: Ed Anderson (Rotary_Ed) > >> Car Make : Mazda Car Model : Rx-7 > >> Car Year: 1991 E-mail address : > eanderson@carolina.rr.com > >> Enter question or concerns here : I can find no > specifications > >> for your product on your website. Have I simply missed it? > Interested in > >> technical details such as weight, size, power requirements, > compressor > >> maps suitable for RX-7 Rotary engine use.ThanksRotary_Ed > > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > > > -- > David Leonard > > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net >