X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=G+5i7Os5 c=1 sm=1 tr=0 a=MwAjmeqGrSVGfgsENLz0TA==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=J70Eh1EUuV4A:10 a=DK2GG6i_IL4A:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=o1OHuDzbAAAA:8 a=7g1VtSJxAAAA:8 a=_6GpL_ENAAAA:8 a=IsOzSfO3OuYiDeKwkOkA:9 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=_EeEMxcBAAAA:8 a=O3fhQWmzF_r9aJB5swgA:9 a=nKrb1pSYBEcN6ATt:21 a=_W_S_7VecoQA:10 a=5UeK9suJl1gA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=5YQ6H4ZxyGn-KoBYtt8s:22 a=grOzbf7U_OpcSX4AJOnl:22 a=syqr5EOPB93U0NEwqYpB:22 From: "Ernest Christley echristley@att.net" Received: from sonic315-9.consmr.mail.gq1.yahoo.com ([98.137.65.33] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 12970034 for flyrotary@lancaironline.net; Wed, 18 Sep 2019 14:55:57 -0400 Received-SPF: none receiver=logan.com; client-ip=98.137.65.33; envelope-from=echristley@att.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1568832939; bh=OC/Z7BZHOec+rpC++z5/yDT7I3nNznbJwRozc/IhEAs=; h=Date:From:To:In-Reply-To:References:Subject:From:Subject; b=MUhFCQiPnMYwVFd3deXPGRxaeRMkVhVUqwo69AiSeQ39aggplGzypSUuvSoD94jblkor0GVsZfq2/0Pmn9d+EvS4A7BQcrq2LfnBX5EIaDrwDleaZhL3Uta1QBW/OBTq2NTrGhrT4WrOZSXgrI9edD3meyQ2tgJdvVDv9AN72Ok= X-YMail-OSG: PboGhmMVM1kXRir77.x9f0aF9YgVTvRozVRRsXqg8Cc13_jFQ42sIIZPhJNWiNy Vdy8Sxey7NiA6cuzP2WqXdqbX1j_I8h4V0_iUMGEpewXJtIaXT1w4apbUY2qitvrhu75z7ys8o9f Nr1tX2p9oX20upjTYmEOzN6fkZeZ4RDuaRbSTCYQKIEcDTtbxIdwJzfS_SWQQweOk9tIAnunWYpi zU.NcUF8ng4zlIyPZXxeMQzIHx5kPOySmGmnyNMo8UtFgo5Yzj7LogGVDJl9aswOR43lpdNuKcf8 Ed.2c3PZYg9yvLsVAyeAp7zNmuLPpRHOaalQFt3RD3WUo7A_lhsI63p1vYDnqc5C7e81tH3RfCPC UWd_hrpqc3IdpW_YhkYF_xbaVyjYDO5Sp0Jwc0hhFhaLHPaMTu6U_C8X5TRdkJA0OMkVucq_NDRM ySlDzv1eRTRO4z7boqNTw3wAL3j.juMdn_h7DQlvSdH5HYahHBJP3nQC6zProHCq9xD6EN7cyH_n OF0sne0it5JVF6o.W_kNsBEzLAd8Ls748fKsrAz0dNTgD9S3ceeEaS28n.fgMLj7RPfDy2rbuAtv UjebLvVD7f51cJgebhtez76Ak85vYurZEsVtWSeMA46o02RQNdMpIDcY.6.7Lm1_ObtJOQqkIeRg PaEGEu2HsYPmdHY4u5oof2NOMODTZ0wLsUMxTMSbEQ57VWr9uqIZ.Hip2dcnU7k_PYGOwZ740IOV Yy_EoxZbErBNM7GIR1AQWNFVlEdZCSpPoV3wUMImkmcqdxSCX8YFU1V_RnMbuFt6f4dzSgkViWF7 Qk6944c7X1PYcb.T3TScJrNiUpx4SPXm_t372vt6IKMheTtRKQJlgywJYHG6EcI54zkCDzBp.v5J MdkLMjyMMEfq5Pjg7BXEgKV.9IOBnbkBWrJi.0X9mG77EkmY8vvhkyBtFAFL0bEcr3cDz26kDno9 __K9_vs5hPbFnCnDInpHl.U_BRlohWdLQDcsK_NKU3oOVl9LwoQNVB_jAVFOQK6Eef1bekikzWqI FMljfMgDLD20K58tGaQAqkm80kvb8n77jrTWZRO9dstDLYfOEdZiW0gJ0VQ26IUoLR9OhAyhJ.jw Sje8ElwXF0sslv9m396AYiXU1rUT0Nvd5CVdeCZIad7EsNcsIIckCA44tn4342jI_7NIqPkBAF95 IeFH9ffQ1gBzUCWgWotVce1Dk1tWEFttRzfVvKlHREMkdHBLsdBzSBR_x7EnksXMrsDJ0pOaM2S5 iaewPy3TMXLhFZrYfPumx6KTY_s4I9ejo5bFxjUMGi6M- Received: from sonic.gate.mail.ne1.yahoo.com by sonic315.consmr.mail.gq1.yahoo.com with HTTP; Wed, 18 Sep 2019 18:55:39 +0000 Date: Wed, 18 Sep 2019 18:55:37 +0000 (UTC) To: "Charlie England ceengland7@gmail.com" Message-ID: <1165894656.9330278.1568832937527@mail.yahoo.com> In-Reply-To: References: Subject: Re: [FlyRotary] Re: Renesis intake parts MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_9330276_1405832223.1568832937525" X-Mailer: WebService/1.1.14303 YMailNorrin Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:68.0) Gecko/20100101 Firefox/68.0 Content-Length: 14694 ------=_Part_9330276_1405832223.1568832937525 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Also, the intake spends a lot of time with a partial vacuum inside it.=C2= =A0 With the RTV, you stand a chance of a section of it getting sucked into= the intake.=C2=A0 For that design, I'd look for a chemical resistant silic= on in the shape of a T extrusion. With the cross of the T on the outside, i= t would hold the seal from being sucked in, and make a better seal when it = did get pulled on. On Tuesday, September 17, 2019, 6:37:58 PM EDT, Charlie England ceengla= nd7@gmail.com wrote: =20 =20 Le Roux,=C2=A0 There's an old paper on the CAFE web site that talks about exits; they say = that a 'bluff body' (what you typically see on the belly of an RV-x), with = rounded approaches to the hole, is the most efficient exit method. They tal= k about gills & say that every blade of the gill adds drag, so it's better = to have one opening. I suppose that if the face of the radiator core is clo= se to the gill location, that might change the equation a bit.=C2=A0 You might want to do some research on rtv before using it on the intake. It= 'll probably work fine, but if there's any chance of gasoline getting on/ar= ound it, the gas will attack it. Squirt some out and let it cure completely= , then put part of it in some gas, and suspend the rest of it above the gas= in a jar, & watch it for a few weeks.=C2=A0 If it were me, there are other sealants I'd choose over rtv for anything ar= ound gasoline. FWIW, Charlie On Tue, Sep 17, 2019 at 3:11 PM Le Roux Breytenbach breytenbachleroux@gmail= .com wrote: Yes Finn : Planned to use rtv with bolts and nuts all around the flange.Jus= t want to oppened it periodically for inspections when needed.Yes the flang= e is also on top as i planned to turn the 13B =C2=A0- 90 degrees ( plugs up= ) so the intakes stand upright.Then the TB (Throttlebody ) face the inlet d= uct.Want to make use of the "ram effect " of the incoming air to the TB and= filter.This makes the hot exhaust easier to exit without complexity in tur= nes and bends underneath the engine.Side radiator with "gills" on the side = for hot air to exit on the side of the cowl.Think that the "suction effect"= of the laminar flo of air over the vents will help with the pressure drop = inside the cowl.Well this is what i planned and want to do..The proof is in= the pudding and must be tested first.There is always a compromise, if i wa= nt to do one thing then must give up on another. Le Roux Get Outlook for iOS=C2=A0From: Rotary motors in aircraft on behalf of Finn Lassen finn.lassen@verizon.net Sent: Tuesday, September 17, 2019 9:19 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Renesis intake parts=C2=A0Don't see why it shouldn= 't last: 1) It's round (assuming end opposite throttle body is a hemisphere) 2) Fiberglass doesn't fatigue like alum, right? Weak point would be at the flange. Are you planning on using RTV or some ot= her adhesive? I'm at the point where I need to construct the plenum. However the flange m= oves it closer to the engine. Maybe I can I can put the removable cover on = top? Finn On 9/17/2019 12:48 PM, Le Roux Breytenbach breytenbachleroux@gmail.com wrot= e: This is my custom intake plenum must still do the 2 intakes from the plenum= . What is your predictions will it last on the rotary pulses ? 8 layers of bidirectional cloth the "pipe" On Fri, Sep 13, 2019 at 10:49 PM Steven W. Boese SBoese@uwyo.edu wrote: The images show the intake parts used for the tests in the previous message= . Steve Boese -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html | | Virus-free. www.avast.com | =20 ------=_Part_9330276_1405832223.1568832937525 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Also, the intake spends a lo= t of time with a partial vacuum inside it.  With the RTV, you stand a = chance of a section of it getting sucked into the intake.  For that de= sign, I'd look for a chemical resistant silicon in the shape of a T extrusi= on. With the cross of the T on the outside, it would hold the seal from bei= ng sucked in, and make a better seal when it did get pulled on.



=20
=20
On Tuesday, September 17, 2019, 6:37:58 PM EDT, Charlie= England ceengland7@gmail.com <flyrotary@lancaironline.net> wrote:


= Le Roux, 

There's an old paper on the CAFE web site that talks abou= t exits; they say that a 'bluff body' (what you typically see on the belly = of an RV-x), with rounded approaches to the hole, is the most efficient exi= t method. They talk about gills & say that every blade of the gill adds= drag, so it's better to have one opening. I suppose that if the face of th= e radiator core is close to the gill location, that might change the equati= on a bit. 

You might want to do some research on rtv before using i= t on the intake. It'll probably work fine, but if there's any chance of gas= oline getting on/around it, the gas will attack it. Squirt some out and let= it cure completely, then put part of it in some gas, and suspend the rest = of it above the gas in a jar, & watch it for a few weeks. 

If i= t were me, there are other sealants I'd choose over rtv for anything around= gasoline.

FWIW,

Charlie

On Tue, Sep 1= 7, 2019 at 3:11 PM Le Roux Breytenbach breytenbachleroux@gmail.com <flyrotary@lancaironline.net> wrote:=
Yes Finn : Planned to use rtv with bolts and = nuts all around the flange.
Just want to oppened it periodically for insp= ections when needed.
Yes the flange is also on top as i planned to= turn the 13B  - 90 degrees ( plugs up) so the intakes stand upright.T= hen the TB (Throttlebody ) face the inlet duct.Want to make use of the "ram= effect " of the incoming air to the TB and filter.
This makes the hot exhaust easier to exit wit= hout complexity in turnes and bends underneath the engine.
Side radiator with "gills" on the side for ho= t air to exit on the side of the cowl.Think that the "suction effect" of th= e laminar flo of air over the vents will help with the pressure drop inside= the cowl.
Well this is what i planned and want to do..<= /div>
The proof is in the pudding and must be teste= d first.
There is always a compromise, if i want to do= one thing then must give up on another.

Le Roux




 

From: Rotary mo= tors in aircraft <= flyrotary@lancaironline.net> on behalf of Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net&= gt;
Sent: Tuesday, September 17, 2019 9:19 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Renesis intake parts
 
Don= 't see why it shouldn't last:
1) It's round (assuming end opposite throttle body is a hemisphere)
2) Fiberglass doesn't fatigue like alum, right?
Weak point would be at the flange. Are you planning on using RTV or some ot= her adhesive?

I'm at the point where I need to construct the plenum. However the flange m= oves it closer to the engine. Maybe I can I can put the removable cover on = top?

Finn

On 9/17/2019 12:48 PM, Le Roux Breytenbach breytenbachleroux@gmail.com wrote:
This is my custom intake plenum must still do the 2 intakes from the p=
lenum.
What is your predictions will it last on the rotary pulses ?
8 layers of bidirectional cloth the "pipe"

On Fri, Sep 13, 2019 at 10:49 PM Steven W. Boese SBoese@uwyo.edu
<flyrotary@lancairon=
line.net> wrote:
The images show the intake parts used for the tests in the previous me=
ssage.

Steve Boese
--
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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