X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) From: "Charlie England ceengland7@gmail.com" Received: from mail-il1-f175.google.com ([209.85.166.175] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 1054828 for flyrotary@lancaironline.net; Sun, 20 Dec 2020 09:25:44 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.166.175; envelope-from=ceengland7@gmail.com Received: by mail-il1-f175.google.com with SMTP id 2so6594754ilg.9 for ; Sun, 20 Dec 2020 06:25:44 -0800 (PST) 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=dkmn39FBIXLxkRQCn3nRJVLlTo9gFV0Qj/2vCC5L47s=; b=KScGPYR9pyUvI42YgnZB2LuDKJr7BAKmpjPIiBlTdBDScNyw45id49/ObgGRbOcbDp b23f3mevLGc/xCW0bMQRK9psbfxD7FYEibpqZynJzC92FOH82ZBuW4FoebmuuP2nuTgc eTBp57aiZWgPle4fGRJnUqN9m+1/pYMdeUVlFYG6cRWUe7oz3XoBH6bJEZEa8kMLCjxw UUXXmtqhoQv9/rfN+DqDNNOrGvvcrEAVTmYtA/IfohkMexG2kXv58tA+ZfG9pPCJc+ur In68AXtCO8tJ2+0OJz/P/FhxI//d9gqPifX/TVulEtTKOIS60zLmiFGGDnOVakFqK55K 6XHA== 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=dkmn39FBIXLxkRQCn3nRJVLlTo9gFV0Qj/2vCC5L47s=; b=VLBfepRL4fcKJk39q6naIPUO6hAh0Uo1K/xOoL6lcbAHNWalT2Kjc1aef2nLNP6+Gh ULWG9+N8R9vtYYsLml35Xe0YT2Te2LpffyUhsa5iQ0KVUz/SRQ7gb9j4VAnYfaD6jyRw mxHQUZFZkHu54adBTO2d5Zta6i3YA7tTOZidKTaiEEynJMqjA+AaNXVlDSVOPs6unAvi Oixqqxr3CBJaWXmJtBLYiin/YHsFDUFuplBzXO2RwOKG//b8S+bKibnGxZTJEqR69RSx d7cJsCI5C+aPSTKQwiSWl7KUmL99qXKwwz6eFqhWXjbZDqqO0M0PNDSEED5+votJoeSx 7pAw== X-Gm-Message-State: AOAM5330brVxl7MkBDL2fO9fRrYntL7mlkyfgLWgDxufjElDpt0mFFF8 hpShpm7boHHc+YMWy431p6FOZ/p2z5UuYI1yCCffUB3j X-Google-Smtp-Source: ABdhPJwk7H4+GPxk5pNEVwIphB0QcVFA+rTfDhTrgth15qhrBoE9negK16rzc6NMTnbrIFnpkXZtmFh2BJYphN7ulnU= X-Received: by 2002:a92:b60a:: with SMTP id s10mr12578955ili.135.1608474326949; Sun, 20 Dec 2020 06:25:26 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: Date: Sun, 20 Dec 2020 08:20:00 -0600 Message-ID: Subject: Re: [FlyRotary] Re: eliminate cushion drive To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000e3615305b6e61c05" --000000000000e3615305b6e61c05 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable They do seem to provide actual specs on the various models; something that's hard to find with guibo/Rotoflex stuff. Hard to read in the online version of the catalog, so I just tried to order it in pdf format. Thanks for the link! Charlie On Sun, Dec 20, 2020 at 4:04 AM Le Roux Breytenbach breytenbachleroux@gmail.com wrote: > Must admit that i did not look all the specs up. > But the design and the material that the rubber dampner itself is made of= , > seems good and strong with new technology in the rubber casting. > > Le Roux > > Sent from my iPhone > Le Roux Breytenbach > > > On 20 Dec 2020, at 11:11, Stephen Izett stephen.izett@gmail.com < > flyrotary@lancaironline.net> wrote: > > > > =EF=BB=BFHi Le Roux. > > The weight of their units looks to be a problem unless you could replac= e > them in Aluminium. > > I could find RPM limits. > > Cheers > > > > Steve > > > >> On 20 Dec 2020, at 1:04 pm, Le Roux Breytenbach > breytenbachleroux@gmail.com wrote: > >> > >> For interest : > >> > >> Come across this flex-coupling interesting that it is design to connec= t > a flywheel to a output shaft. > >> > >> High speed up to 3500 - 7500 rpm > >> 210 nm - 3240 nm > >> > >> > https://pdf.directindustry.com/pdf/sgf-gmbh-co-kg/sgf-sgflex-3f-flex-coup= ling-assembly-us/34796-787217.html#open > >> > >> > >> Sent from my iPhone > >> Le Roux Breytenbach > >> > >>>> On 19 Dec 2020, at 08:05, Stephen Izett stephen.izett@gmail.com < > flyrotary@lancaironline.net> wrote: > >>> > >>> =EF=BB=BFThanks very much Neil. > >>> A plan could be, should the RD1C spines parts strength be > questionable, leave it riveted to the 0.2inch thick aluminium damper plat= e. > Cut/machine that plate down to the same circumference as the spined part, > approx 5 inch, and Drill the 6 x 10mm holes and attach direct to the ESha= ft > through the spacer machined to correct size. > >>> Steve Izett > >>> > >>> Sent from my iPhone > >>> > >>>> On 19 Dec 2020, at 6:42 am, flyrotary@lancaironline.net wrote: > >>>> > >>>> =EF=BB=BF > >>>> Steve, > >>>> Further to your measurements. The centre to centre o= f > the holes in the counterweight (E shaft) is 98mm. Bolt size is 10mm whi= ch > makes the outer edge of the bolts 108mm or 4.25 inches. The OD > measurement of my spacer is approx. 5 inches, so it would appear possible > to mount tracy,s splined drive shaft plate direct to the E shaft with the= 6 > x 10mm bolts and spaced out with my spacer which may have to be adjusted > for height =E2=80=93 a simple lathe job. This as well known eliminates a= ny > =E2=80=98damping=E2=80=9D in the drive line. > >>>> I do not have the measurements of just how high the > splined plate has to be to clear the end of the E Shaft. Again everythin= g > is possible with time and money!! > >>>> A question to the group --- What is the Splined drive plate made > from? I thought it was simply a machined cast, but it has been suggested > it is a =E2=80=9Csintered=E2=80=9D casting. (weaker than normal casting) = Does anyone know? > >>>> Neil. > > > > > > -- > > 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 > --000000000000e3615305b6e61c05 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The= y do seem to provide actual specs on the various models; something that'= ;s hard to find with guibo/Rotoflex stuff. Hard to read in the online versi= on of the catalog, so I just tried to order it in pdf format. Thanks for th= e link!

Charlie

On S= un, Dec 20, 2020 at 4:04 AM Le Roux Breytenbach breytenbachleroux@gmail.com <flyrotary@lancaironline.net> wrote:
<= /div>
Must admit that i di= d not look all the specs up.
But the design and the material that the rubber dampner itself is made of, = seems good and strong with new technology in the rubber casting.

Le Roux

Sent from my iPhone
Le Roux Breytenbach

> On 20 Dec 2020, at 11:11, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironlin= e.net> wrote:
>
> =EF=BB=BFHi Le Roux.
> The weight of their units looks to be a problem unless you could repla= ce them in Aluminium.
> I could find RPM limits.
> Cheers
>
> Steve
>
>> On 20 Dec 2020, at 1:04 pm, Le Roux Breytenbach breytenbachleroux@gmail.com<= /a> <fl= yrotary@lancaironline.net> wrote:
>>
>> For interest :
>>
>> Come across this flex-coupling interesting that it is design to co= nnect a flywheel to a output shaft.
>>
>> High speed up to 3500 - 7500 rpm=C2=A0
>> 210 nm - 3240 nm
>>
>> https://pdf.directindustry.com/pdf/sgf-gmbh-co-kg/sgf-= sgflex-3f-flex-coupling-assembly-us/34796-787217.html#open
>>
>>
>> Sent from my iPhone
>> Le Roux Breytenbach
>>
>>>> On 19 Dec 2020, at 08:05, Stephen Izett stephen.izett@gmail.com <= flyrotary@= lancaironline.net> wrote:
>>>
>>> =EF=BB=BFThanks very much Neil.
>>> A plan could be, should the RD1C spines parts strength be ques= tionable, leave it riveted to the 0.2inch thick aluminium damper plate. Cut= /machine that plate down to the same circumference as the spined part, appr= ox 5 inch, and Drill the 6 x 10mm holes and attach direct to the EShaft thr= ough the spacer machined to correct size.
>>> Steve Izett
>>>
>>> Sent from my iPhone
>>>
>>>> On 19 Dec 2020, at 6:42 am, flyrotary@lancaironline.net wrote: >>>>
>>>> =EF=BB=BF
>>>> Steve,
>>>>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Fur= ther to your measurements.=C2=A0 The centre to centre of the holes in the c= ounterweight (E shaft)=C2=A0 is 98mm.=C2=A0 Bolt size is 10mm which makes t= he outer edge of the bolts 108mm or 4.25 inches.=C2=A0 =C2=A0 The OD measur= ement of my spacer is approx. 5 inches, so it would appear possible to moun= t tracy,s splined drive shaft plate direct to the E shaft with the 6 x 10mm= bolts and spaced out with my spacer which may have to be adjusted for heig= ht =E2=80=93 a simple lathe job.=C2=A0 This as well known eliminates any = =E2=80=98damping=E2=80=9D in the drive line.
>>>>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 I d= o not have the measurements of just how high the splined plate has to be to= clear the end of the E Shaft.=C2=A0 Again everything is possible with time= and money!!
>>>> A=C2=A0 question to the group --- What is the Splined driv= e plate made from?=C2=A0 I thought it was simply a machined cast, but it ha= s been suggested it is a =E2=80=9Csintered=E2=80=9D casting. (weaker than n= ormal casting)=C2=A0 Does anyone know?
>>>> Neil.
>
>
> --
> Homepage:=C2=A0 http://www.flyrotary.com/
> Archive and UnSub:=C2=A0 =C2=A0http:/= /mail.lancaironline.net:81/lists/flyrotary/List.html

--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0http://mail= .lancaironline.net:81/lists/flyrotary/List.html
--000000000000e3615305b6e61c05--