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: " 12348ung@gmail.com" Received: from mail-pl1-f171.google.com ([209.85.214.171] verified) by logan.com (CommuniGate Pro SMTP 6.3.5) with ESMTPS id 371827 for flyrotary@lancaironline.net; Mon, 18 Oct 2021 16:53:01 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.171; envelope-from=12348ung@gmail.com Received: by mail-pl1-f171.google.com with SMTP id y4so12169696plb.0 for ; Mon, 18 Oct 2021 13:53:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:references:in-reply-to:subject:date:message-id:mime-version :thread-index:content-language; bh=50a3CGyyWLXXtkKNUZiI68rEnlgRjzGRoSEG9CGp/OY=; b=FOTfF5VqMPR3J+3sFoF0WncxIWvdldbirBYQiQutuvZhSEOXhY15i5sUIjKYP0wXF1 StBVlr3GWd7U6dpDVsnZjbekZb9g09i6HyIZTnWMd15vy9u7ivmnn8FpMR3/t9ujNoNe 1Hhi0BZBmYbS688YRD1JoXnDcmK9ev5tRXWW3PBj9c6lKt6HukQlKIiECc/HNY4JdfBO K2GFwY8tYHy9RwD9yWF1auyFSP+cd4HXQJTsV2bvAPiII419DpvSUr3ECGC/YStnmAy1 2gFt1vSa7+dzR60Tz+T+xMWQfFSauw3y6UY83FOOvBDZa4ChzZ9EUBWd4A5tyXXSnEKu j7dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:references:in-reply-to:subject:date :message-id:mime-version:thread-index:content-language; bh=50a3CGyyWLXXtkKNUZiI68rEnlgRjzGRoSEG9CGp/OY=; b=dI74vpMTI77iS8IYXC+Rp6FoY37HDYdkBoCwaEZAUa9sKg6VpYJwIUDcqCHzpQyx4H DTy26qdhq0ogL+/hgxtHYUp9iiuQjMPdMGjXPHWQsMRVFYsKF454zXAgnOe1JzA9pUN6 K4oyL96T9HYIIDf0X105tqyTWfa+i2GxDS3bJUI0BFXcUXAwfB1LHKXxwLc7uKC1LfC2 KW2RI8mPW8wZkUrdV0woIS/dysXDNw1RCbPV6nIjZWhZRBdCFmouEdIkKeYFgTXjBE/n 8wH5vUWCmyo5onhuwmF+HqbGdbPvnAAVz8v9GMhDneeUVwYoRrKxTVfS+IGiiYlTKm/G iZpQ== X-Gm-Message-State: AOAM530jIiWRrQcXrjA7wFwAjg4d846nr6wG0/e22usZJ/me5io9NEH0 KewC/8JOWyjphGMK/abXPVu+XfSHZHw= X-Google-Smtp-Source: ABdhPJxveA3ie8Co2dLrppL5Mxp6/0bjfbnUadBit4v0/tc19ddnTTMlDqu4UZQ/lkZ7m0NA8dOZ+A== X-Received: by 2002:a17:90b:33c3:: with SMTP id lk3mr1362647pjb.237.1634590363865; Mon, 18 Oct 2021 13:52:43 -0700 (PDT) Return-Path: <12348ung@gmail.com> Received: from UserPC ([103.198.24.78]) by smtp.gmail.com with ESMTPSA id h3sm15363150pfv.166.2021.10.18.13.52.42 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Oct 2021 13:52:43 -0700 (PDT) To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Planetary re-drive? Date: Tue, 19 Oct 2021 07:52:40 +1100 Message-ID: <006d01d7c462$1893fdb0$49bbf910$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_006E_01D7C4BE.4C0475B0" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQG8ejhjSgHJATQwF1oggk6/ErnPm6wPzQkA Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_006E_01D7C4BE.4C0475B0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Andrew, Yeah, that is the current legislation, but with = demand that will change =E2=80=93 I think. Here in Oz, regardless = farmers will disregard the directives as CASA has not got the resources = to police. Even if reported, we are simply spraying water!@!! That damage sounds bad, have been called on to fix the = fibreglass on the local ag sprayer to keep him in the air,--- No I must = be dreaming, paint covers a lot of repairs!!! Currently here any unmanned aircraft must be fully certified if over 25 = KG!!! That will kill all and sundry but under experimental??? --- = will be interesting as CASA fights to keep authority.=20 So far great season here and late with wet cold conditions. Fear = we will lose much to a wet harvest which happens every 20 years or so. = Still, farming is a terminal disease, so we keep on. Neil. =20 From: Rotary motors in aircraft =20 Sent: Monday, October 18, 2021 11:07 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Planetary re-drive? =20 He Neil Way to go with the ag drones. Just a pity cant do commercial ops with = Exp. Btw. 2 Ag Thrush's and a C180 damaged on our farm when the hangar = collapsed during a cyclone in April. Bit annoying. Good to see you still developing. I still got my original 20b that will = be looking for an airframe when time allows. Andrew =20 On Sun, 17 Oct. 2021, 5:56 am 12348ung@gmail.com = , > wrote: Marc, I am the only one making redrives at all recently. = Currently teaming up with a partner who has access to all maching gear = to make another version. Why another version? Well it appears that the = ford planetries and g/box parts in the US are now superseded and = difficult to source so the cost goes up. In my search to find an = alternative I am now to get a planetry from the GM automatics as there = are thousands of them in OZ and naturally reasonably priced. The ratio = is approx. 3:1 which is ideal. Planetry sourced, the rest of the redrive is also undergoing a = rethink as to cut cost. Currently just the prop shaft cost $1000 if I = take 10 at a time! Singularly the cost is $1500! Looking at getting one = cast instead of CNC. The housing cost me nearly $1200 for a very = "pretty" CNC job, so again casting is much cheaper. A standard planetry = is mandatory, as to change the ratio again the cost is horrendous. = Whatever is closest to 3:1 will have to do. Input shaft will have to be made as I prefer a sold unit over a "pinned" = unit. Again cost, but necessary. Cushion drive is mainly cast and CNC to finish -- not difficult to set = up for CNC and 10 of will not break the bank. The mounting plate will be cast from Magnesium alloy rather than the 1/2 = inch 6061 alloy plate. Again cost, lightness and strength. The end result? Cannot tell at this stage but without this progression, = there will be no redrives available. The experimental market is no = reason the go into the cost of producing redrives, but the real demand = looming is the Agricultural drone crop spraying market. Here the need = is for high power / weight engines (mazda) and therefore a redrive = (affordable). Much legislation involved, but under the experimental = banner that all alters. This market is huge if a drone that can lift up = to 500 KG can be made. Even 200 KG is marketable which is a single = rotor mazda. The "electric" charge cannot compete I feel with the power = to weight of the Mazda. =20 Looking at a twin rotor helicopter mazda powered. Now that will = get the natives talking! Here in Oz a self propelled crop sprayer is = way over $500,000. Then it cannot spray on boggy ground. Spot spraying = is costly, and timing is critical, so drones will come as lifting = capacity arrives. CASA (aust) and the FAA have many regs regarding = spraying chemical by air, but as demand increases the rules will be = forced to change, I think. Regardless the market is there which will = benefit the experimental aviation sector. Built on farm, used on farm, = even if only to spray plant deficiencies and fungicide , the market is = there. Hopefully it will all happen, but first a redrive. Neil. -----Original Message----- From: Rotary motors in aircraft >=20 Sent: Friday, October 15, 2021 8:22 AM To: Rotary motors in aircraft > Subject: [FlyRotary] Planetary re-drive? Who is making a 13b fit 3:1 planetary now-a-days? That is since I = can=E2=80=99t get a Mistral unit! Need for a 20b.=20 M -- 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 ------=_NextPart_000_006E_01D7C4BE.4C0475B0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Andrew,

=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=C2=A0=C2=A0=C2=A0 Yeah, that = is the current legislation, but with demand that will change =E2=80=93 I = think.=C2=A0 Here in Oz, regardless farmers will disregard the = directives as CASA has not got the resources to police.=C2=A0 Even if = reported, we are simply spraying water!@!!

=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 That damage sounds bad,=C2=A0 have been = called on to fix the fibreglass on the local ag sprayer to keep him in = the air,--- No I must be dreaming, paint covers a lot of = repairs!!!

Currently here any unmanned aircraft must be fully = certified if over 25 KG!!!=C2=A0=C2=A0=C2=A0 That will kill all and = sundry but under experimental??? ---=C2=A0 will be interesting as CASA = fights to keep authority.

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0So = far great season here and late with wet cold conditions.=C2=A0 Fear we = will lose much to a wet harvest which happens every 20 years or = so.=C2=A0 Still, farming is a terminal disease, so we keep = on.

Neil.

 

From: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Sent: Monday, October 18, = 2021 11:07 AM
To: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: = Planetary re-drive?

 

He = Neil

Way to go with the ag = drones. Just a pity cant do commercial ops with = Exp.

Btw. 2 Ag Thrush's = and a C180 damaged on our farm when the hangar collapsed during a = cyclone in April. Bit annoying.

Good to see you still developing. I still got my = original 20b that will be looking for an airframe when time = allows.

Andrew

 

On = Sun, 17 Oct. 2021, 5:56 am 12348ung@gmail.com, <flyrotary@lancaironline.net> = wrote:

Marc,
            =    I am the only one making redrives at all recently.  = Currently teaming up with a partner who has access to all maching gear = to make another version.  Why another version?  Well it = appears that the ford planetries and g/box parts in the US are now = superseded and difficult to source so the cost goes up.  In my = search to find an alternative I am now to get a planetry from the GM = automatics as there are thousands of them in OZ and naturally reasonably = priced.  The ratio is approx. 3:1 which is ideal.
    =     Planetry sourced, the rest of the redrive is also = undergoing a rethink as to cut cost.  Currently just the prop shaft = cost $1000 if I take 10 at a time! Singularly the cost is $1500! Looking = at getting one cast instead of CNC.  The housing cost me nearly = $1200 for a very "pretty" CNC job, so again casting is much = cheaper.  A standard planetry is mandatory, as to change the ratio = again the cost is horrendous.  Whatever is closest to 3:1 will have = to do.
Input shaft will have to be made as I prefer a sold unit over = a "pinned" unit.  Again cost, but necessary.
Cushion = drive is mainly cast and CNC to finish -- not difficult to set up for = CNC and 10 of will not break the bank.
The mounting plate will be = cast from Magnesium alloy rather than the 1/2 inch 6061 alloy = plate.  Again cost, lightness and strength.

The end result? = Cannot tell at this stage but without this progression, there will be no = redrives available.  The experimental market is no reason the go = into the cost of producing redrives, but the real demand looming is the = Agricultural drone crop spraying market.  Here the need is for high = power / weight engines (mazda) and therefore a redrive = (affordable).  Much legislation involved, but under the = experimental banner that all alters.  This market is huge if a = drone that can lift up to 500 KG can be made.  Even 200 KG is = marketable which is a single rotor mazda.  The "electric" = charge cannot compete I feel with the power to weight of the = Mazda. 
        Looking at a twin rotor = helicopter mazda powered.  Now that will get the natives = talking!  Here in Oz a self propelled crop sprayer is way over = $500,000.  Then it cannot spray on boggy ground.  Spot = spraying is costly, and timing is critical, so drones will come as = lifting capacity arrives.  CASA (aust) and the FAA have many regs = regarding spraying chemical by air, but as demand increases the rules = will be forced to change, I think.  Regardless the market is there = which will benefit the experimental aviation sector.  Built on = farm, used on farm, even if only to spray plant deficiencies and = fungicide , the market is there.
        = Hopefully it will all happen, but first a = redrive.
Neil.

-----Original Message-----
From: Rotary = motors in aircraft <flyrotary@lancaironline.net>
Sent: Friday, = October 15, 2021 8:22 AM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: = [FlyRotary] Planetary re-drive?

Who is making a 13b fit 3:1 = planetary now-a-days? That is since I can=E2=80=99t get a Mistral unit! = Need for a 20b.
M

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