X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=LuPsNUVc c=1 sm=1 tr=0 a=ox2L7D8zyEvnS2b4KBZd6Q==:117 a=x7bEGLp0ZPQA:10 a=K7ySfSCCDxUA:10 a=sTwFKg_x9MkA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=UKPAHat8AAAA:8 a=0VwEsJaNAAAA:8 a=Kd_5_uFbAAAA:8 a=bH8ZylL6AAAA:8 a=7g1VtSJxAAAA:8 a=9j9Q7tvkvb0VfUz7LroA:9 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=fFVTgtIZHl9DxhgeSSMA:9 a=BmIbYVBjjUY5reHK:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=Fc6xXSS-RxGHxrvp76Qp:22 a=Kdq08r5Ui8LhqwAuGyrv:22 a=yjh9tsFuLW9EahD-uj2O:22 a=DARs5Kqs276YIGFW_g6k:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Matt Boiteau mattboiteau@gmail.com" Received: from mail-ej1-f50.google.com ([209.85.218.50] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 241993 for flyrotary@lancaironline.net; Fri, 15 May 2020 10:14:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.218.50; envelope-from=mattboiteau@gmail.com Received: by mail-ej1-f50.google.com with SMTP id z5so2344698ejb.3 for ; Fri, 15 May 2020 07:14:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=oxu3ZCCJCmnhLum6hlp1YZBIk6kZxbgCb/SLQxPMcUI=; b=KXeFh9eOvJfSbiSkJxnAw6GB2F0twzkok30YI8Fx+PQOZNKqkVve0dny1agmAperaa Jy8dbtP2fZOTHRll2V8O+qyWHP3GaX3JWQ60fCPHrIt2xATvBqe6vOZtYy5C82xC1J8/ D/TxaLRiB/UBg0+2b48ZD5ntc+bd7Sd9rBc16q935s+cRD6X3BUe/qV3FpuEkL53dxfT dx2XCwo2v4LO3rXJl4bJwBvIzXA5gqH3VSFIahiTPSxvDFDY6gpdxXowmtvq4yk+Aikq Lre1f/BT32JffaS5MCbXTjQdseKLgFpekpIhLR6EDhFul7W75hxdJbzd4kovkq/bwKZz GJhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=oxu3ZCCJCmnhLum6hlp1YZBIk6kZxbgCb/SLQxPMcUI=; b=P5/Hj6BHcNUeHTTVhA+BK6yRS4oPCc//kZ4szQ+uzLdd8KR+/BaJSU8s3YW6wM+h4M lWe8rQLNTT90U2JTzC+timnp3fMQQgiR2AYI6gs9q7CLdSpLXABtuGTg4JJOPZOOgm7F 2VDp411BP6rAC6sFrOxasaK3S8dM32FA9P2WRnx0eHXR21ubliktlyumWV47YcRlBQN9 w8KtXCh1mYVoCDQtcK9Ut3oEkiLX7qghAFG/DF21yQ4O+wV4v+3/NuDeguozITSIr8H+ sEyEQEZOfUfYJ6ShL1Wbiketn4eAJJpF97GajgYsKkyo9XUAE04R+ucAMY8s3jfIqX34 KITQ== X-Gm-Message-State: AOAM531hgVvoaugNNRO1TS+Z0FDyVpvKSX1X2lzs9kDpKVa4RBsIiMbd hDTrLN1CQ9zPB4+2q7pZPcTPeUEfFNbtbuwsQMxMWv/mr7w= X-Google-Smtp-Source: ABdhPJwKF7KrS4GUoOr3+zqPfziaUIpMGiBDx8PeOglsSEFkKN0gvW1JgE0iYpQGvRPKYZ9a1cd386h+c8cjmMszKXk= X-Received: by 2002:a17:906:5681:: with SMTP id am1mr3081324ejc.376.1589552056317; Fri, 15 May 2020 07:14:16 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 15 May 2020 10:14:05 -0400 Message-ID: Subject: Re: [FlyRotary] Re: Water Pump To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000ab3aa305a5b06d73" --000000000000ab3aa305a5b06d73 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable There's so much information all over the place, it's all good and bad. On the car forums, there is no consensus. Some same stock is just fine, some say to change the pulley on stock, and some swear by the Mazmart RE-medy. Then some swear on belt vs electric. lol. It's all over the place.I have both the Mazmart and oversized pulley on stock. Once I have a baseline of data, I'll switch between the two and compare logs. With the 2.85 psru, "I think" you'll be okay with a stock waterpump. With Neil's 3.17 psru, you'll want to do pulley swap or mazmart - Matt Boiteau On Fri, May 15, 2020 at 10:02 AM Stephen Izett stephen.izett@gmail.com < flyrotary@lancaironline.net> wrote: > Thanks guys. > I=E2=80=99ve heard various reports, but i had thought the consensus was t= he > Renesis pump didn=E2=80=99t cavitate till past 8K. > I do want to be able to sustain 7500rpm for at least a few minutes. > Should I change to a larger pump pulley or undersize the eccentric shaft > pulley? > Is there clear evidence from the racers and not simply the producers of > pumps etc.? > I do have a larger pulley on the Alternator. > Cheers. > Steve > > > On 15 May 2020, at 9:47 pm, Bobby J. Hughes bhughes@qnsi.net < > flyrotary@lancaironline.net> wrote: > > > > Steve, > > > > I didn=E2=80=99t see any reason to replace the stock 2004 water pump. A= n > aftermarket impeller / pump is available but the car forums indicate many > have failed in a short period of time. > https://shop.mazmart.com/en/rx8-re-medy-high-flow-water-pump I > used an underdrive main pulley from the beginning. Unorthodox Racing I > believe. > > > > Bobby > > From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] > > Sent: Friday, May 15, 2020 6:58 AM > > To: Rotary motors in aircraft > > Subject: [FlyRotary] Re: Water Pump > > > > Thanks Todd. > > Enjoyed your reply. Thanks a heap. > > > > Has anyone got definitive knowledge re the 2004 renesis 13b water pump. > > Is there a replacement with significantly better flow or lower > cavitation that I should retrofit to maximise cooling capacity? > > > > Steve > > > > > On 15 May 2020, at 6:28 pm, Todd Bartrim bartrim@gmail.com < > flyrotary@lancaironline.net> wrote: > > > > > > Well, I gotta admit that I'm a stubborn SOB. and way back when, > another stubborn SOB whom I shouldn't name, but his initials are Paul > Lamar.... was adamant that no way ever on God's green earth would an > electric water water pump have any hope of cooling anything bigger than a > lawnmower. So basically... it was challenge accepted! > > > Now at the time there was another Ozzie frequenting this list by the > name of Leon Promet who had some rotary racing experience and was a big > proponent of the EWP. (RIP Leon) But he was also a great talker and an > entertaining fellow whom I enjoyed reading his many post on varied aspect= s > of rotary engines. The EWP also promised a solution to a few other issues > that were certainly not insurmountable, such as clearance for the > mechanical water pump which usually resulted in an unsightly and draggy > cowl bump. At the time, that seemed like something I wanted to avoid, due > to drag and all that $%^* but after figuring out that I never should've > built an iAirplane like all the other latte sucking so called experimente= rs > out there, I started to realize that a Van's RV, while it is a great desi= gn > and is perfect for many, many assemblers out there, it's probably not the > plane I should've built. Don't get me wrong, it's a great plane and lot's > of fun, but it's not really the plane I should be flying. The attached > picture shows the automotive equivalent to my airplane. > > > Anyways, at the end of the day, I've got a fast airframe with big > draggy bushwheels, that while not quite a STOL plane can still cruise sor= ta > fast, blah, blah, blah, blah..... > > > So anyways, I like it, I think the EWP is a great idea and it does > work. And I'm an experimenter. Enough said. > > > > > > Todd Bartrim (I should've went to bed instead of pouring a rum and > answering that email.... ) > > > > > > > > > On Fri, May 15, 2020 at 1:20 AM Stephen Izett stephen.izett@gmail.com > wrote: > > > Hi Todd. What was the logic behind the choice to go with an electric > water pump. > > > Was it concerns over cavitation at high rpm or as a backup. > > > Sorry if this has already been talked through. > > > > > > Steve Izett > > > > > > > On 15 May 2020, at 3:40 pm, Todd Bartrim bartrim@gmail.com < > flyrotary@lancaironline.net> wrote: > > > > > > > > Yup, just the stock wheel. the turbo is an Hitachi 18S-2S. I still > think you should take LeRoux up on his offer of that turbo. You could > either modify the turbo manifold or use it to model a custom made manifol= d. > Either way would likely be easier than trying to fit an aftermarket turbo= . > There was not a stock Renesis turbo so you're not gonna find anything > easier. > > > > There's always something like this > https://www.rx8performance.com/products/rx-8performanceturbokit and it > doesn't look too complicated, or heavy, or expensive..... nahh, I'd still > find a way to attach that old gen turbo to your Renesis. > > > > I'm using the Davies Craig EWP130 > https://daviescraig.com/product/ewp130-12v-130lpm34gpm-remote-electric-wa= ter-pump-8180/ewp130-electric-water-pump-alloy-12v-8180 > > > > > > > > Todd Bartrim (rebuilding a water pump right now, but it's a well > water pump) > > > > > > > > > > > > On Thu, May 14, 2020 at 3:20 PM 12348ung@gmail.com < > flyrotary@lancaironline.net> wrote: > > > > Todd, > > > > > > > > Are you running the standard hot section turbine wheel? Do you have > the hitachi RX7 turbo? Also what model water pump did you use?? > > > > > > > > Regards, > > > > > > > > Neil. > > > > > > > > > > > > > -- > > > Homepage: http://www.flyrotary.com/ > > > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > <63483b041c5ef2d3201d681a3cc1a171.jpg>-- > > > Homepage: http://www.flyrotary.com/ > > > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > > > > -- > > Homepage: http://www.flyrotary.com/ > > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > > > > Disclaimer > > > > The information contained in this communication from the sender is > confidential. It is intended solely for use by the recipient and others > authorized to receive it. If you are not the recipient, you are hereby > notified that any disclosure, copying, distribution or taking action in > relation of the contents of this information is strictly prohibited and m= ay > be unlawful. > > > > This email has been scanned for viruses and malware, and may have been > automatically archived by Mimecast Ltd, an innovator in Software as a > Service (SaaS) for business. Providing a safer and more useful place for > your human generated data. Specializing in; Security, archiving and > compliance. To find out more Click Here. > > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > --000000000000ab3aa305a5b06d73 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
There's so much information all over the place, it'= ;s all good and bad. On the car forums, there is no consensus. Some same st= ock is just fine, some say to change the pulley on stock, and some swear by= the Mazmart RE-medy. Then some swear on belt vs electric. lol. It's al= l over the place.I have both the Mazmart and oversized pulley on stock. Onc= e I have a baseline of data, I'll switch between the two and compare lo= gs.

With the 2.85 psru, "I think" you'll be okay with = a stock waterpump.
With Neil's 3.17 psru, you'll want to do pull= ey swap or mazmart


- Matt Boiteau

<= br>
On Fri,= May 15, 2020 at 10:02 AM Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
Thanks guys.
I=E2=80=99ve heard various reports, but i had thought the consensus was the= Renesis pump didn=E2=80=99t cavitate till past 8K.
I do want to be able to sustain 7500rpm for at least a few minutes.
Should I change to a larger pump pulley or undersize the eccentric shaft pu= lley?
Is there clear evidence from the racers and not simply the producers of pum= ps etc.?
I do have a larger pulley on the Alternator.
Cheers.
Steve

> On 15 May 2020, at 9:47 pm, Bobby J. Hughes bhughes@qnsi.net <flyrotary@lancaironline.net&= gt; wrote:
>
> Steve,
>=C2=A0
> I didn=E2=80=99t see any reason to replace the stock 2004 water pump. = An aftermarket impeller / pump is available but the car forums indicate man= y have failed in a short period of time.=C2=A0 https://shop.mazmart.com/en/rx8-re-medy-high-flow-water-pump=C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 I=C2=A0 used an underdrive main pulley from= the beginning. Unorthodox Racing I believe.
>=C2=A0
> Bobby
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
> Sent: Friday, May 15, 2020 6:58 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Water Pump
>=C2=A0
> Thanks Todd.
> Enjoyed your reply. Thanks a heap.
>
> Has anyone got definitive knowledge re the 2004 renesis 13b water pump= .
> Is there a replacement with significantly better flow or lower cavitat= ion that I should retrofit to maximise cooling capacity?
>
> Steve
>
> > On 15 May 2020, at 6:28 pm, Todd Bartrim bartrim@gmail.com <flyrotary@lancaironline.net<= /a>> wrote:
> >
> > Well, I gotta admit that I'm a stubborn SOB. and way back whe= n, another stubborn SOB whom I shouldn't name, but his initials are Pau= l Lamar.... was adamant that no way ever on God's green earth would an = electric water water pump have any hope of cooling anything bigger than a l= awnmower. So basically... it was challenge accepted!
> > Now at the time there was another Ozzie frequenting this list by = the name of Leon Promet who had some rotary racing experience and was a big= proponent of the EWP. (RIP Leon) But he was also a great talker and an ent= ertaining fellow whom I enjoyed reading his many post on varied aspects of = rotary engines. The EWP also promised a solution to a few other issues that= were certainly not insurmountable, such as clearance for the mechanical wa= ter pump which usually resulted in an unsightly and draggy cowl bump. At th= e time, that seemed like something I wanted to avoid, due to drag and all t= hat $%^* but after figuring out that I never should've built an iAirpla= ne like all the other latte sucking so called experimenters out there, I st= arted to realize that a Van's RV, while it is a great design and is per= fect for many, many assemblers out there, it's probably not the plane I= should've built. Don't get me wrong, it's a great plane and lo= t's of fun, but it's not really the plane I should be flying. The a= ttached picture shows the automotive equivalent to my airplane.
> > Anyways, at the end of the day, I've got a fast airframe with= big draggy bushwheels, that while not quite a STOL plane can still cruise = sorta fast, blah, blah, blah, blah.....
> > So anyways, I like it, I think the EWP is a great idea and it doe= s work. And I'm an experimenter. Enough said.
> >
> > Todd Bartrim (I should've went to bed instead of pouring a ru= m and answering that email.... )
> >
> >
> > On Fri, May 15, 2020 at 1:20 AM Stephen Izett stephen.izett@gmail.com <<= a href=3D"mailto:flyrotary@lancaironline.net" target=3D"_blank">flyrotary@l= ancaironline.net> wrote:
> > Hi Todd. What was the logic behind the choice to go with an elect= ric water pump.
> > Was it concerns over cavitation at high rpm or as a backup.
> > Sorry if this has already been talked through.
> >
> > Steve Izett
> >
> > > On 15 May 2020, at 3:40 pm, Todd Bartrim bartrim@gmail.com <flyrotary@lancaironline= .net> wrote:
> > >
> > > Yup, just the stock wheel. the turbo is an Hitachi 18S-2S. I= still think you should take LeRoux up on his offer of that turbo. You coul= d either modify the turbo manifold or use it to model a custom made manifol= d. Either way would likely be easier than trying to fit an aftermarket turb= o. There was not a stock Renesis turbo so you're not gonna find anythin= g easier.
> > > There's always something like this https://www.rx8performance.com/products/rx-8performancetur= bokit and it doesn't look too complicated, or heavy, or expensive..= ... nahh, I'd still find a way to attach that old gen turbo to your Ren= esis.
> > > I'm using the Davies Craig EWP130 https://daviescraig.com/product/ewp130-12v-130lpm34gpm-remote-electri= c-water-pump-8180/ewp130-electric-water-pump-alloy-12v-8180
> > >
> > > Todd Bartrim (rebuilding a water pump right now, but it'= s a well water pump)
> > >
> > >
> > > On Thu, May 14, 2020 at 3:20 PM 12348ung@gmail.com <flyrotary@lancaironline.net> wrote:
> > > Todd,
> > >
> > > Are you running the standard hot section turbine wheel? Do y= ou have the hitachi RX7 turbo? Also what model water pump did you use??
> > >
> > > Regards,
> > >
> > > Neil.
> > >
> >
> >
> > --
> > Homepage: http://www.flyrotary.com/
> > Archive and UnSub: http://mail.l= ancaironline.net:81/lists/flyrotary/List.html
> > <63483b041c5ef2d3201d681a3cc1a171.jpg>--
> > Homepage: http://www.flyrotary.com/
> > Archive and UnSub: http://mail.l= ancaironline.net:81/lists/flyrotary/List.html
>
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancai= ronline.net:81/lists/flyrotary/List.html
>
>
> Disclaimer
>
> The information contained in this communication from the sender is con= fidential. It is intended solely for use by the recipient and others author= ized to receive it. If you are not the recipient, you are hereby notified t= hat any disclosure, copying, distribution or taking action in relation of t= he contents of this information is strictly prohibited and may be unlawful.=
>
> This email has been scanned for viruses and malware, and may have been= automatically archived by Mimecast Ltd, an innovator in Software as a Serv= ice (SaaS) for business. Providing a safer and more useful place for your h= uman generated data. Specializing in; Security, archiving and compliance. T= o find out more Click Here.
>


--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0http://mail= .lancaironline.net:81/lists/flyrotary/List.html
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