X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=LuPsNUVc c=1 sm=1 tr=0 a=Bc0htN4GJj/gJBEw7ICOVw==:117 a=x7bEGLp0ZPQA:10 a=JZygid9Izu4A:10 a=sTwFKg_x9MkA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=C_IRinGWAAAA:8 a=UKPAHat8AAAA:8 a=0VwEsJaNAAAA:8 a=Kd_5_uFbAAAA:8 a=bH8ZylL6AAAA:8 a=bsoTwV1nlF6nbonAMvsA:9 a=QEXdDO2ut3YA:10 a=VXlNX1tnlqO1mowY-bEA:9 a=PuSk8YsIH2FNLLgp:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=Fc6xXSS-RxGHxrvp76Qp:22 a=Kdq08r5Ui8LhqwAuGyrv:22 a=yjh9tsFuLW9EahD-uj2O:22 a=DARs5Kqs276YIGFW_g6k:22 From: "Kelly Troyer keltro@gmail.com" Received: from mail-lf1-f51.google.com ([209.85.167.51] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 244402 for flyrotary@lancaironline.net; Fri, 15 May 2020 23:59:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.167.51; envelope-from=keltro@gmail.com Received: by mail-lf1-f51.google.com with SMTP id z22so3505746lfd.0 for ; Fri, 15 May 2020 20:59:40 -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=CLtNTsDQ2EUOaAX91cizuTbLUDH8dvlAOpDzzqMZG5c=; b=FybDjZ35ihl2o0/Km5GWrcNwT7ZbUXlZMOGTwEm2k6iD9lAYuBkIHgpdYkDd7lohWH Xv9qDuFIh/WZl2VDoBktFzs94kwbSAnYsfQtctUjyitrbXEabtk3UTCsNlP3+JubETnk HzZNqFcTxg1ds9cpLfYVSrvrZ3UitWHXeLBb7iiVObxQmCe+Q7J+BdWv/KeWM5+oBEBR kBCeOiLaCVPukJ2jEbYds21XNscnCw3vWJKTfz9bKfpMnmTC9G9HXPzlWwzLT07tTyDq mfDexdHA00Zgs6RTGa3UtzcbnJ8oJm5hlfOzki8KmfAqUy8bqCXzUirLudQ1MbNkB/PJ PSRQ== 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=CLtNTsDQ2EUOaAX91cizuTbLUDH8dvlAOpDzzqMZG5c=; b=ckydo1QvopZ+LfCuHmkYrdXgXefqlODi9rkpLy46zaQNM53stEcP4ypuhWhp2Srftv Ezn0lYU/m1GmV4m4IT74kmpf8xb6Kd85xHSr0acuZECLZMFFTErjGOSzI9cWUpYNd40a AHjjEReJ6e8RFl8br4OZ2vyJ25/kQihWS8uNwo3tp3nuSbS0RKGKJp379/80PZNGQ2tm okAYxqta+RMNgHKMpBQrsD9hh7EUc9GXPZHbMcwoa5UMxJ+dz8/z7HQzuzg9TCMH60cM EbkcoxyVZk0LKq+U/K++eHpGL2kfMfMkuMEwChKxdYdjEfKRXqniS4FsR1/I6Qdxal5t VoTg== X-Gm-Message-State: AOAM532s7ps38A3IJmQMKIPLgxnDtwRXx9LSF+tcoBVJZWHh2l2Umb0Y a6jMI82lCCUHsjLKh0ft9sbMGLqjmYDAXOvelzZaKg== X-Google-Smtp-Source: ABdhPJw1Yn//Gb+6xhnxeIAAzA1kgLq0sUIozTRgkhYSLKw7oi4qXLQbcqktgObHUeJyO3XYdK7iDRSmLH5XaX6mNRE= X-Received: by 2002:ac2:48a8:: with SMTP id u8mr4405987lfg.41.1589601561132; Fri, 15 May 2020 20:59:21 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 15 May 2020 22:56:59 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Water Pump To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000062c44505a5bbf4ce" --00000000000062c44505a5bbf4ce Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Lynn, Did you change pulley sizes (drive or pump) to slow up pump speeds ?? Kelly Troyer On Fri, May 15, 2020 at 9:12 PM Stephen Izett stephen.izett@gmail.com < flyrotary@lancaironline.net> wrote: > Hi David. > > What does your intake look like and what length is it? > > Thanks > > Steve > > > On 15 May 2020, at 10:30 pm, David COOK hoursaway1@comcast.net < > flyrotary@lancaironline.net> wrote: > > > > Find who is finishing races, I use oversized pully, 13B, 6250rpm > takeoff, 5500rpm cruise 165kts, aprox.8gph, RV6A Rotary. > >> On May 15, 2020 at 10:16 AM "Stephen Izett stephen.izett@gmail.com" < > flyrotary@lancaironline.net> wrote: > >> > >> > >> Thanks Matt. > >> Steve > >> > >>> On 15 May 2020, at 10:14 pm, Matt Boiteau mattboiteau@gmail.com < > flyrotary@lancaironline.net> wrote: > >>> > >>> 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.co= m > wrote: > >>> Thanks guys. > >>> I=E2=80=99ve heard various reports, but i had thought the consensus w= as 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 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= . An > 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 th= e > 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 electri= c > 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 hav= e > the hitachi RX7 turbo? Also what model water pump did you use?? > >>>>>> > >>>>>> Regards, > >>>>>> > >>>>>> Neil. > > --00000000000062c44505a5bbf4ce Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Lynn,
=C2=A0 Did you change pulley sizes (drive or pum= p) to slow up pump speeds ??

Kelly Troyer
On Fri, May 1= 5, 2020 at 9:12 PM Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
Hi David.

What does your intake look like and what length is it?

Thanks

Steve

> On 15 May 2020, at 10:30 pm, David COOK hoursaway1@comcast.net <flyrotary@lancaironline.= net> wrote:
>
> Find who is finishing races, I use oversized pully, 13B, 6250rpm takeo= ff, 5500rpm cruise 165kts, aprox.8gph, RV6A Rotary.
>> On May 15, 2020 at 10:16 AM "Stephen Izett stephen.izett@gmail.com"= ; <flyr= otary@lancaironline.net> wrote:
>>
>>
>> Thanks Matt.
>> Steve
>>
>>> On 15 May 2020, at 10:14 pm, Matt Boiteau mattboiteau@gmail.com <flyrotary@lancai= ronline.net> wrote:
>>>
>>> There's so much information all over the place, it's a= ll 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 ov= er 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.<= br> >>>
>>> With the 2.85 psru, "I think" you'll be okay wit= h a stock waterpump.
>>> With Neil's 3.17 psru, you'll want to do pulley swap o= r mazmart
>>>
>>> - Matt Boiteau
>>>
>>>
>>> On Fri, May 15, 2020 at 10:02 AM Stephen Izett stephen.izett@gmail.com &= lt;flyrota= ry@lancaironline.net> wrote:
>>> Thanks guys.
>>> I=E2=80=99ve heard various reports, but i had thought the cons= ensus 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 min= utes.
>>> Should I change to a larger pump pulley or undersize the eccen= tric shaft pulley?
>>> Is there clear evidence from the racers and not simply the pro= ducers 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@lancaironl= ine.net> wrote:
>>>>
>>>> Steve,
>>>>
>>>> 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 many 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.
>>>>
>>>> Bobby
>>>> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net<= /a>]
>>>> 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 13= b water pump.
>>>> Is there a replacement with significantly better flow or l= ower cavitation that I should retrofit to maximise cooling capacity?
>>>>
>>>> Steve
>>>>
>>>>> On 15 May 2020, at 6:28 pm, Todd Bartrim bartrim@gmail.com <flyrotary@lancair= online.net> wrote:
>>>>>
>>>>> Well, I gotta admit that I'm a stubborn SOB. and w= ay back when, another stubborn SOB whom I shouldn't name, but his initi= als are Paul Lamar.... was adamant that no way ever on God's green eart= h would an electric water water pump have any hope of cooling anything bigg= er than a lawnmower. So basically... it was challenge accepted!
>>>>> Now at the time there was another Ozzie frequenting th= is list by the name of Leon Promet who had some rotary racing experience an= d 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 = 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 me= chanical 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 dra= g and all that $%^* but after figuring out that I never should've built= an iAirplane like all the other latte sucking so called experimenters out = there, I started to realize that a Van's RV, while it is a great design= 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 p= lane and lot's of fun, but it's not really the plane I should be fl= ying. The attached picture shows the automotive equivalent to my airplane.<= br> >>>>> Anyways, at the end of the day, I've got a fast ai= rframe with big draggy bushwheels, that while not quite a STOL plane can st= ill cruise sorta 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 p= ouring a rum and answering that email.... )
>>>>>
>>>>>
>>>>> On Fri, May 15, 2020 at 1:20 AM Stephen Izett stephen.izett@gmail.c= om <flyrotary@lancaironline.net> wrote:
>>>>> Hi Todd. What was the logic behind the choice to go wi= th an electric water pump.
>>>>> Was it concerns over cavitation at high rpm or as a ba= ckup.
>>>>> Sorry if this has already been talked through.
>>>>>
>>>>> Steve Izett
>>>>>
>>>>>> On 15 May 2020, at 3:40 pm, Todd Bartrim bartrim@gmail.com <<= a href=3D"mailto:flyrotary@lancaironline.net" target=3D"_blank">flyrotary@l= ancaironline.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 ma= de manifold. Either way would likely be easier than trying to fit an afterm= arket turbo. There was not a stock Renesis turbo so you're not gonna fi= nd anything easier.
>>>>>> There's always something like this https://www.rx8performance.com/products/rx-8perf= ormanceturbokit and it doesn't look too complicated, or heavy, or e= xpensive..... nahh, I'd still find a way to attach that old gen turbo t= o your Renesis.
>>>>>> I'm using the Davies Craig EWP130 https://daviescraig.com/product/ewp130-12v-130lpm34gpm-remo= te-electric-water-pump-8180/ewp130-electric-water-pump-alloy-12v-8180 >>>>>>
>>>>>> Todd Bartrim (rebuilding a water pump right now, b= ut it's a well water pump)
>>>>>>
>>>>>>
>>>>>> On Thu, May 14, 2020 at 3:20 PM 12348ung@gmail.com <flyrotary@lancaironl= ine.net> wrote:
>>>>>> Todd,
>>>>>>
>>>>>> Are you running the standard hot section turbine w= heel? Do you have the hitachi RX7 turbo? Also what model water pump did you= use??
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Neil.

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