X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: "Le Roux Breytenbach breytenbachleroux@gmail.com" Received: from mail-ej1-f45.google.com ([209.85.218.45] verified) by logan.com (CommuniGate Pro SMTP 6.3.5) with ESMTPS id 151292 for flyrotary@lancaironline.net; Mon, 19 Jul 2021 03:11:43 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.218.45; envelope-from=breytenbachleroux@gmail.com Received: by mail-ej1-f45.google.com with SMTP id c17so26898386ejk.13 for ; Mon, 19 Jul 2021 00:11:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=aL0TAV+sjJiIkx+n/ln/ZEEOF7jX2q7CCW6gxbRMiec=; b=oI64ROqN55SMJXDNs8DI1QtOf65/qsqM/kEd3kfA28xjBdZiQQ3RdKcVHgByFRQ9Ab Ipvb3l2sQCvyhSEyeZA50mzz1cp2s5M0KEO0JHS+L3WGCrXELPF4Z9WY2X9IY8lRtyT9 GtxUqlKPnkegd9vXw645EW5XXah5tuu9Hk4zogk7kON3MypPI1xPIN+rg7P5ZzCLWasM JUllkZ0f8NnOM4sE7+NbTpHu/1zPe5BcH4AmIUz/4FLAyuYYGVqIRE1srCz1XS5ClFqw vHDvNt8bfSqNe3QewYq/43gMWsJinOsOQU0BPIo6T7WxrCLBnOoISSw18UtoEAV5x50w KkLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=aL0TAV+sjJiIkx+n/ln/ZEEOF7jX2q7CCW6gxbRMiec=; b=ltSIFG45kaMsNwhlXfNq+/DLuQMzf6XBqq6/UKCaW59l4q544YswjWapc+yfFS6X3M EZEh2olawnpQWNQ7CVsPggQD4+vWwUOMBQ/YX8FjvPQdxb1/aDLafxBQKvrIIljayfvb mwom0ldVuUgOnoFM+V10E3mxAkKeFeCNaVHV5G9cRinHNKV82ebeirpOFUt1dQief0l6 1B6nC730XiIxOx1mcfvCXfH4WHDmyBvaFwu7J6CqUJyIztNDHnq39TB/1jAbKTb5kaqI yeBpqwjWxDyIkPMtiyPPPB9S7ziH/JyR5mU0EOitSgPHFc9wSil1u8ri9tj6EJNLbbmd 63rQ== X-Gm-Message-State: AOAM532VGt5oD6a+DVr/0fXI0QR3AunoZWdQ/dcjl3VZjEP01fpwF4Xr sZmIInOE37tPV2p9SRTjn4U3zg+okGkjAh/ZMRASW0c6 X-Google-Smtp-Source: ABdhPJx4D7JCTi8aJtIJSAburNe+mnWyzO19lGlHLcq5qnkwLHCLwVhmUsjKmJlYG9Dgl8mOGj5Zl0HgHishewKYkQs= X-Received: by 2002:a17:906:b2d5:: with SMTP id cf21mr26115467ejb.514.1626678686992; Mon, 19 Jul 2021 00:11:26 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 19 Jul 2021 09:11:15 +0200 Message-ID: Subject: Re: [FlyRotary] Re: Ross Redrive Dimensions To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="0000000000004d4c6105c774a550" --0000000000004d4c6105c774a550 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF Neil : Yes, the ring gear is threaded and locked. I did not loosen it, as it was not necessary for me to do so. Obviously, it must have right hand thread to tighten at propeller thrust, with the anti-clockwise propeller (pilot side view) The needle bearings are pressed into a sleeve and the sleeve in the aluminium-housing and the shaft slipped tight fit into it. The propeller flange locked everything in place, and then there is just enough end play on the shaft. The shaft must be put into refrigerator and the prop flange into oven to press fit into place. It must be line-up precisely for the lock pins to match the holes first time. After press fit there will be no chance to rotate the prop flange as it is very tight fit. Included is a couple of photos and video clips for clarity as a photo is worth a thousand words. Here is the steel 12 lug 6 planetary. As always a arm and leg in price https://www.ctpowertrain.com/c6-e4od-4r100-new-6-pinion-12-lug-steel-rear-l= ow-reverse-planet-66-on/ Photos https://drive.google.com/file/d/1tDiLL85_Q8IzKrTne1vfyVB67y4x4JA-/view?usp= =3Dsharing https://drive.google.com/file/d/1NVoGiYLYWB6VrJKaKEuKqcMrtDIa54s-/view?usp= =3Dsharing https://drive.google.com/file/d/1lf7WUnpI2UUTtgAMaQjH8oSTQFe_70oP/view?usp= =3Dsharing https://drive.google.com/file/d/1zKQwAbq2IXrFb9uGZHNxYdwbnbt1jp4C/view?usp= =3Dsharing https://drive.google.com/file/d/1dK_ZVwdlLfK4ABWWwryDqIi8wAhxMP-8/view?usp= =3Dsharing https://drive.google.com/file/d/1kaO9qpJQX6A9S9_27D6f6PZMY4NN1aAS/view?usp= =3Dsharing Video Clip: IMG_9785.MOV IMG_9783.MOV IMG_9783.MOV Sent from my iPhone Le Roux Breytenbach On 19 Jul 2021, at 01:24, 12348ung@gmail.com wrote: =EF=BB=BFLe roux, First Lou Ross was an excellent machinist so tolerances are tight. I suspect that the ring gear may be threaded and then loctited?? I am guessing in the dark without being unable to sight "in person" Then in order to get bearings over the shaft, one of the ends must be able to be removed. I can understand the oil holes to allow movement of oil for lubrication and possibly cooling. So it appears that Lou assembled the bearings on the shaft and then the final assembly was the prop shaft to hold all together, hence the 3 pins. Are thrust bearings behind the prop flange or in front of the ring gear. How did Lou allow for thrust both ways? Without a fixed ring gear the rotation will be less in RPM and counter clockwise. You say Ford g/box bits available? Can you tell me where, as to date no one in the US will answer emails let alone sell me bits? What is the prop tip speed at 2900 rpm? Seems high, so must be smaller dia than normal? Nothing like a guess to be verified in practice. My experience with P ports is that they do give a little extra HP, but not as much as Paul Lamar often quoted. However just get flying and then fiddle, or you may never leave the ground -- we all fiddle too much and go by hearsay far too much. Regards, Neil. -----Original Message----- From: Rotary motors in aircraft Sent: Thursday, March 18, 2021 9:23 PM To: Rotary motors in aircraft Subject: [FlyRotary] Ross Redrive Dimensions =EF=BB=BFNeil: I got it wrong the propellor flange and ringgear flange is n= ot the same. Can=E2=80=99t figure it out ? how the ringgear side flange is stuck to the = hollow shaft.Seems to me it has thread that screw in. Somehow it must be locked. I did not removed the pilot bearing as there is no need to do so as it is still brandnew never been used. The propellor flange has 3 pins that holds it in place after the pressfit. The hollow shafts needle bearings ,run over the oil holes in the shaft, and there is some holes between them too. This psru is counter rotating and a 2,17 : 1 ratio.Therefor needs an anti - clockwise prop pilotside view. I am planning to put in just a 6 pinion planet steel casing planetary No other modifications to be done.There is a 6 pin planetary with 12 lug available to drop into the housing. I believe with the 2 - 44 mm p ports @ 6500 rpm will have sufficient Hp for take off and climb turning the prop at 2900 rpm. The at =E2=80=9Ctop of climb =E2=80=9C level out and cruise at 2300 prop rp= m. -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html --0000000000004d4c6105c774a550 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=EF=BB=BF
Neil :


Yes, the ring gear is threaded and locked.

I did not loosen it, as it was not necessary for me to do so.

Obviously, it must have right hand thread to tighten at propeller thrust, with the anti-clockw= ise propeller (pilot side view)

The needle bearings are pressed into a sleeve and the sleeve in the aluminium-housing and the s= haft slipped tight fit into it.

=

The propeller flange locked everything in place, and then there is just enough end play o= n the shaft.

The shaft must be put into refrigerator and the prop flange into oven to press fit into place= .

It = must be line-up precisely for the lock pins to match the holes first time. After press fit there will be no chance to rotate the prop flange as it is very tight fit.<= /span>

=C2= =A0

I= ncluded is a couple of photos and video clips for clarity as a photo is worth a thousand words.

=C2=A0

Here is the steel 12 lug 6 planetary. As always a arm and leg in price

=C2=A0https://www.ctpowertrain.com/c6-e4od-4r100-new-6-pinion-12-lug-steel-rea= r-low-reverse-planet-66-on/

= Photos=C2=A0

https://drive.google.com/file/d/1tDiLL85_Q8IzKrTne1vfy= VB67y4x4JA-/view?usp=3Dsharing

htt= ps://drive.google.com/file/d/1NVoGiYLYWB6VrJKaKEuKqcMrtDIa54s-/view?usp=3Ds= haring

https://drive.google.com/file/d/1lf7WUnpI2UUT= tgAMaQjH8oSTQFe_70oP/view?usp=3Dsharing



Video Clip:
=C2=A0IMG_9783.MOV
=C2=A0IMG_9783.MOV<= /div>

Sent from my i= Phone
Le Roux Breytenbach=C2=A0

On 19 Jul 2021, at 01:24, 12348ung@gmail.com <flyrotary@lancaironline.net&= gt; wrote:

=EF=BB=BFLe roux,
=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= First Lou Ross was an excellent machinist so tolerances are tight.=C2=A0 I = suspect that the ring gear may be threaded and then loctited??=C2=A0 I am g= uessing in the dark without being unable to sight =C2=A0"in person&quo= t; Then in order to get bearings over the shaft, one of the ends must be ab= le to be removed.=C2=A0 I can understand the oil holes to allow movement of= oil for lubrication and possibly cooling.=C2=A0 So it appears that Lou ass= embled the bearings on the shaft and then the final assembly was the prop s= haft to hold all together, hence the 3 pins.=C2=A0 Are thrust bearings behi= nd the prop flange or in front of =C2=A0the ring gear.=C2=A0 How did Lou al= low for thrust both ways?
=C2=A0 =C2=A0Without a fixed rin= g gear the rotation will be less in RPM and counter clockwise. =C2=A0
You say Ford g/box bits available?=C2=A0 Can you tell me where, = as to date no one in the US will answer emails let alone sell me bits?=C2= =A0 What is the prop tip speed at 2900 rpm?=C2=A0 Seems high, so must be sm= aller dia than normal? =C2=A0=C2=A0=C2=A0Nothing like a guess to be verifie= d in practice. =C2=A0=C2=A0My experience with P ports is that they do give = a little extra HP, but not as much as Paul Lamar often quoted.=C2=A0 Howeve= r just get flying and then fiddle, or you may never leave the ground -- we = all fiddle too much and go by hearsay far too much.
Regards= , =C2=A0Neil. =C2=A0

-----Original Message= -----
From: Rotary motors in aircraft <flyrotary@lancaironline.net= >
Sent: Thursday, March 18, 2021 9:23 PM
= To: Rotary motors in aircraft <flyrotary@lancaironline.net>Subject: [FlyRotary] Ross Redrive Dimensions
=
=EF=BB=BFNeil: I got it wrong the propellor flange and ringgear f= lange is not the same.
Can=E2=80=99t figure it out ? how th= e ringgear side flange is stuck to the hollow shaft.Seems to me it has thre= ad that screw in. Somehow it must be locked. I did not removed the pilot be= aring as there is no need to do so as it is still brandnew never been used.=
The propellor flange has 3 pins that holds it in place aft= er the pressfit.
The hollow shafts needle bearings ,run ove= r the oil holes in the shaft, and there is some holes between them too.


This psru is counter rotatin= g and a 2,17 : 1 ratio.Therefor needs an anti - clockwise prop pilotside vi= ew. I am planning to put in just a 6 pinion planet steel casing planetary N= o other modifications to be done.There is a =C2=A06 pin planetary with 12 l= ug available to drop into the housing.
I believe with the 2= =C2=A0- 44 mm p ports @ 6500 rpm will have sufficient Hp for take off and = climb turning the prop at 2900 rpm.
The at =E2=80=9Ctop of = climb =E2=80=9C level out and cruise at 2300 prop rpm.


--
Homepage: =C2=A0http://www.flyrotary.com/=
Archive and UnSub: =C2=A0=C2=A0http://mail.l= ancaironline.net:81/lists/flyrotary/List.html
--0000000000004d4c6105c774a550--