X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=H+OlPNQi c=1 sm=1 tr=0 a=nhEQlGU+wnwv606eFg8Tew==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=MeAgGD-zjQ4A:10 a=DK2GG6i_IL4A:10 a=r77TgQKjGQsHNAKrUKIA:9 a=5sNqLqqMAAAA:8 a=pjdaNNIBAAAA:8 a=UKPAHat8AAAA:8 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=x-75qrxFAAAA:8 a=o1OHuDzbAAAA:8 a=7g1VtSJxAAAA:8 a=msCP-boVzNFco56QyYsA:9 a=7Zwj6sZBwVKJAoWSPKxL6X1jA+E=:19 a=QEXdDO2ut3YA:10 a=U8_vu4WAf7kA:10 a=zCvOmkCl1ggA:10 a=0bY6yrGXpw4A:10 a=Qa1je4BO31QA:10 a=6Dotg1euVKUA:10 a=-E01CgcUZmQA:10 a=ApaIa7XQUSwA:10 a=gvSQh4r-fQ0A:10 a=4PR2P7QzAAAA:8 a=zxilXLdMAcQKnX9El-4A:9 a=qJ5P8kQYRvSYtEd5:21 a=_W_S_7VecoQA:10 a=ULvlhtsD7kEQakS0x_hP:22 a=Fc6xXSS-RxGHxrvp76Qp:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=pSfGKr4syse1NfsQC3dY:22 a=5YQ6H4ZxyGn-KoBYtt8s:22 a=grOzbf7U_OpcSX4AJOnl:22 a=4dqwQCo7Po2mVW515mGf:22 From: "Finn Lassen finn.lassen@verizon.net" Received: from sonic309-20.consmr.mail.ne1.yahoo.com ([66.163.184.146] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 13180511 for flyrotary@lancaironline.net; Fri, 15 Nov 2019 10:36:02 -0500 Received-SPF: pass receiver=logan.com; client-ip=66.163.184.146; envelope-from=finn.lassen@verizon.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=verizon.net; s=a2048; t=1573832145; bh=TloXMrS+inAOIygczuUbsAyJ9Z4elo9XYs3QlyFO/x8=; h=Subject:To:References:From:Date:In-Reply-To:From:Subject; b=UkBWHnRVGnl3yIuyHqV0QqgdP1cxe42JX4nw3obEq9P3jy9M3YnWpY3Krmp4uIIU79Lm0vwo8NmHIR1fRVn1k1MzRCYzirSk6lHPtPgze0swA4Ldzgw22muN1U3kNSbePGzCG5EcydH5gMdfnBjXsVPqeidVPaappvXv8rFJ459lVVjQGuL4eznf1OSNwuJn9tpW+GgzhfH+IMSYT7U5a+zIKqEvgnIPy8ymMNBmoOElxTXmyzcCx4DmpINKuUpxNrBEWa8esE2KlsNcvdzDGKIiMVTfRdxZTOFAmLMQC0fFBInNvvs904KToaG9w58AquKnNSrbdy7auBrnp4YZ6A== X-YMail-OSG: Rn9oZwAVM1ml.3o_8VF34kMXVZy1kAh16hQHi6iojpokR.hwhmvJFuW8w7W0ofu s4QUhDDD7mGhz9RegCcU37OSGTxsY3Z8Izrfc2eK2uMM8NfCjrPnJnW02K8tZEKnbansBkEuz_eq jLcLt0V405xbI.Fgoo6q_8K_cYmo2gpRnVW51kHxdpYxTBl.a.bKBFye88CbWEZGLXaODUVGRX.v qpjpox92Ilr1tTG4Ih3_Xx_9pkO5UvbRblHgoVl..ugats1c3dAS3XKBaVlOOdCkeN0Q5tkpBE0I gEdQD.JNn73HxdaXckWSXJblQfq5UM9ItYKZq.X7aQuB4dZJ2kkQaMEWIFpRy3m67sQxME_RXEZE .dHJjnHp_wjOEAjdj9g3UAF35_sErPrrXd.IwBYZ50xOWFsQbW.fhsIffviS0NOAyqG55Bxp2pH8 6yo5fvGWBuHB6NOwaaXhtj9sSaq833B7OMHFwb38TQhUQD6P1wTumOsjx_NeI.kUYwv_1WHegMDv gd0JMLD_kXNA6b.gJrHJJWTFWaM48u33M1UMpoOaKVwRr_sg3xzx8zFsLUK_Geol9p7QQOzR2BXa v1C.lK3HsheivbVBlWH9Iq7ysQtQzkN8sRKC33Bs7JiPMPqEvLG47Buat7uiCnmM5BaX9c4PXFRw PoXTO2gWKQz9c8KBNUaQMHN_jRSZCSK77fogemcvN8xXrj.cerlTpFJBRV08xPFJLEchcjikbFKF OJTzHsJ0MTeAVYGeu27G7IEocG8rfmTxgNcGjURJ3eMeQyDEK4yQ.bj8ilALFDIbYT_Vc4P0xvzN wSMIOBwaUlEcCdApyM_drNLFKXKnAAsZN7JQxvvBCOUDXsjYlpbbe_ZB5zTimJ22.MDVOvcPxa0M xxpmXkJcYdy8jBFFxVW5BXBwjowSi08CoI_Ca868wPrvTdpDa2M51KLrMFFWXtts8z3_1CX77u1J cChBexjujV3r09X6C0lqtd5vrv9ygJ944U6z6vycK5hpjBXUc53Vp73vO7CA_xEvfkhg01o8AqzK 20VXVCLBmF0BXBhQBaJ3.saii42Jvj051TSCGNek.WF.OBGW.Q7w.k_RqZqoMCj1.qverYJO9Yuf 3UTa5tJJuW.NZCfhDnk6V7caVM9gSVrlxJLXMEcRbK0mXYDmDdobgLcG3MweDEqy3InCSD3TtOTe vu6wLhv.WbJwepl.P4XXUnKCfWBfvpYDc5wscmfYH.OXShsruqn.ss5wpQ2SUsQnUZnwV5ZyZqMo jrc5NtFaQWqUbg_DzIypfu9tjvnmCkhLg3yXFiR20u0CVy9Nt1A.vO.ZRWq8raRM7oRHjd7.CYG9 hVxwfyxoVr.m_RiWFcJcrX57hDEJF1Egt8Pu3ksSEfeQiJjU2nnYsywUMZcAvEk7MhTceXRnfhCc Z Received: from sonic.gate.mail.ne1.yahoo.com by sonic309.consmr.mail.ne1.yahoo.com with HTTP; Fri, 15 Nov 2019 15:35:45 +0000 Received: by smtp415.mail.bf1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID b8413105258d2aa84cbb87edf996ae59; Fri, 15 Nov 2019 15:35:43 +0000 (UTC) Subject: Re: [FlyRotary] Re: Renesis oil pressure To: Rotary motors in aircraft References: Message-ID: Date: Fri, 15 Nov 2019 10:35:39 -0500 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------D4522639728474014E57CA9A" Content-Language: en-US X-Mailer: WebService/1.1.14728 hermes Apache-HttpAsyncClient/4.1.4 (Java/1.8.0_181) Content-Length: 11765 This is a multi-part message in MIME format. --------------D4522639728474014E57CA9A Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit 28? Anyway, thank you all for your replies. Sounds like a 150 psi sensor will be the safest. I have no plans to tear down the supposedly brand new Renesis, so for now no modifications. Thinking about a before cooler pressure sensor too. I suppose the only (easy) option is to drill and tap the oil metering pump supply hole (which I've already plugged)? I would like to also have a before oil cooler temperature sensor. I guess I need to find a spot in the oil pan? I suppose a 30 psi sensor is adequate for water pressure (assuming I don't go with Evans non-pressurized system)? Trying to source sensors, I looked in the places I had purchased them decades ago (Newark, DigiKey, Allied) and was dismayed at the availability and prices. In my original RV-3 I had used the solid state MPX-5999 with barb from NXP USA. A Google search finally lead me to a posting which led me to Aircraft Spruce and a "Swift" pressure sensor. That led me to eBay where there now is a wide selection of 5V (amplified) solid state sensors with 1/8-27NPT housings. These solid state sensors have (amplified) output voltages from 0.5 to 4.5 volts with a 5 volt supply (they even come in 12V (10-25V) supply version for a bit more). Yes, your engine monitor has to subtract (offset) the bottom by 0.5 volts (0 psi = 0.5 volts). http://www.zenith.aero/forum/topics/swift-solid-state-oil-pressure-sensor https://www.ebay.com/itm/Pressure-transducer-or-sender-Stainless-Steel-for-oil-fuel-air-water-Multichoice/272759060859?hash=item3f81b4f97b:m:mTKFrDgAsPLl-bZmKbUTKgQ When searching note that oil pressure switches are often called sensors too. Finn On 11/15/2019 7:36 AM, Bobby J. Hughes bhughes@qnsi.net wrote: > Thermal pellet and carb jets with racing beat race regulator. Idle at > 28 warm and 88-92 psi at 4800-7000 rpm. > > Bobby > > Sent from my iPhone > >> On Nov 15, 2019, at 2:43 AM, Matt Boiteau mattboiteau@gmail.com >> wrote: >> >> ??? >> I installed an RX7 rear regulator and shimmed the front reg with 2 >> washers. Also installed thermal pellet and weber jets in the e-shaft. >> Average around 110-115psi during cruise, so I went with an 150psi >> sensor. >> >> https://www.atkinsrotary.com/store/Competition-Eccentric-Shaft-Oil-and-Weber-Jet-Kit-ARE103.html >> https://www.atkinsrotary.com/store/79-11-Rx7-and-Rx8-Increased-Oil-Pressure-Kit-ARE401.html >> https://www.atkinsrotary.com/store/86-11-Rx7-and-Rx8-Atkins-Thermal-Pellet-ARE50.html?category_id=1275 >> >> - Matt Boiteau >>> >>> On 2019-11-14 11:53:30 PM, Neil Unger 12348ung@gmail.com >>> wrote: >>> >>> Fin, My renesis starts cold at 150 PSI.?? I let it idle at 2200 rpm >>> until after a few minutes it settles to 80 psi (plus). >>> >>> Neil. >>> >>> On 11/15/2019 10:45 AM, Finn Lassen finn.lassen@verizon.net wrote: >>> > I'm starting to look at engine monitor sensors for my RV-4. >>> > >>> > In his Renesis report, Tracy mentioned 100 psi oil pressures. Not >>> > clear if they dropped after the engine got some hours on it. >>> > >>> > What kind of oil pressures are you seeing? >>> > >>> > Should I go with a 150 psi or a 100 psi pressure sensor? >>> > >>> > Finn >>> > >>> > >>> > -- >>> > 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 --------------D4522639728474014E57CA9A Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
28?

Anyway, thank you all for your replies. Sounds like a 150 psi sensor will be the safest.

I have no plans to tear down the supposedly brand new Renesis, so for now no modifications.

Thinking about a before cooler pressure sensor too. I suppose the only (easy) option is to drill and tap the oil metering pump supply hole (which I've already plugged)?

I would like to also have a before oil cooler temperature sensor. I guess I need to find a spot in the oil pan?

I suppose a 30 psi sensor is adequate for water pressure (assuming I don't go with Evans non-pressurized system)?

Trying to source sensors, I looked in the places I had purchased them decades ago (Newark, DigiKey, Allied) and was dismayed at the availability and prices. In my original RV-3 I had used the solid state MPX-5999 with barb from NXP USA.

A Google search finally lead me to a posting which led me to Aircraft Spruce and a "Swift" pressure sensor. That led me to eBay where there now is a wide selection of 5V (amplified) solid state sensors with 1/8-27NPT housings.

These solid state sensors have (amplified) output voltages from 0.5 to 4.5 volts with a 5 volt supply (they even come in 12V (10-25V) supply version for a bit more).
Yes, your engine monitor has to subtract (offset) the bottom by 0.5 volts (0 psi = 0.5 volts).

http://www.zenith.aero/forum/topics/swift-solid-state-oil-pressure-sensor

https://www.ebay.com/itm/Pressure-transducer-or-sender-Stainless-Steel-for-oil-fuel-air-water-Multichoice/272759060859?hash=item3f81b4f97b:m:mTKFrDgAsPLl-bZmKbUTKgQ

When searching note that oil pressure switches are often called sensors too.

Finn

On 11/15/2019 7:36 AM, Bobby J. Hughes bhughes@qnsi.net wrote:
Thermal pellet and carb jets with racing beat race regulator. Idle at 28 warm and 88-92 psi at 4800-7000 rpm.??

Bobby??

Sent from my iPhone

On Nov 15, 2019, at 2:43 AM, Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net> wrote:

???
I installed an RX7 rear regulator and shimmed the front reg with 2 washers. Also installed thermal pellet and weber jets in the e-shaft. Average around 110-115psi during cruise, so I went with an 150psi sensor.

- Matt Boiteau

On 2019-11-14 11:53:30 PM, Neil Unger 12348ung@gmail.com <flyrotary@lancaironline.net> wrote:

Fin,?? My renesis starts cold at 150 PSI.?? I let it idle at 2200 rpm
until after a few minutes it settles to 80 psi (plus).

Neil.

On 11/15/2019 10:45 AM, Finn Lassen finn.lassen@verizon.net wrote:
> I'm starting to look at engine monitor sensors for my RV-4.
>
> In his Renesis report, Tracy mentioned 100 psi oil pressures. Not
> clear if they dropped after the engine got some hours on it.
>
> What kind of oil pressures are you seeing?
>
> Should I go with a 150 psi or a 100 psi pressure sensor?
>
> Finn
>
>
> --
> 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


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