X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail04.syd.optusnet.com.au ([211.29.132.185] verified) by logan.com (CommuniGate Pro SMTP 5.1.5) with ESMTPS id 1802642 for flyrotary@lancaironline.net; Wed, 31 Jan 2007 16:22:46 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.185; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-72-236.dsl.nsw.optusnet.com.au [220.236.72.236]) by mail04.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l0VLLfaL032748 for ; Thu, 1 Feb 2007 08:21:43 +1100 Message-ID: <003b01c7457d$ce3fe170$ec48ecdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: New Cowl Contest Date: Thu, 1 Feb 2007 07:21:41 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0038_01C745D1.9E949ED0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0038_01C745D1.9E949ED0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jarrett, Nice design -my undertakings are modest in comparison. Keep us informed of your progress, would love to see the plugs etc. George ( down under) George, if the truth be told.. Had I known then, what I know now, I'm = not sure I would have taken this project on. I've spent a pile of money = and time to get it up and going. It's been a real uphill battle to get = the thing where it is today.=20 My day job is an Industrial designer [well.. and a corporate pilot but = thats only part time] working w/ steel mills and power plants designing = heavy equipment. This project is not much different from my day job, = just alot more 'precise' which translates into headaches.. the thing = grows ~ 0.0012" per degree-F in length. This can cause some problems in = out warm Canadian winters :-). All in all, this isn't really an issue = for building plug's and molds. A plug or mold machined to w/in 0.010" is = going to be pretty darn good, and typically much better than the average = hand built mold. For high precision molds which are accurate down to the = thou, it's do-able, you just have to pay attention alot more to = controled climate, as well as mantaining the machine temp to control = thermal driven movement. [gee, that rolls off the tongue soo easy :-)] I've several airframe design's but the one that prompted me to build = the machine was this one[attached]. It's a four seat [expandable to 6 = but would be a little cramped <-- like the back seat of a 172] twin, = using two 20b's or two four rotor's. It would also fly on 13b's but they = would be in a minimum weight model, not alot of amenities. It most likely won't be my first aircraft however, as it's going to be = a huge undertaking. I'll most likely start w/ something a little = smaller. I've always wanted a Pollen Special [or a Corsair, Fw190, F8f] = made from carbon. Trim it down, smooth out the lines a bit and throw a = 20b up front, single seat.. it'd be a blast. I've gotta be carefull what I jump at from now on, I'm gonna be a dad = here in 5 months so.. all things concidered some of my 'hobbies' are = going to have to start paying their way :-) Freight isn't that bad to Austrailia! We send stuff down there once a = month in my day job [ by the container load] All the best Jarrett ----- Original Message ----- From: George Lendich =20 Date: Wednesday, January 31, 2007 1:58 am=20 Subject: [FlyRotary] Re: New Cowl Contest=20 >=20 > Jarrett,=20 > A great and admirable undertaking - I wish you lived/worked locally! = > Give us an idea of your design!?=20 > George ( down under)=20 -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_0038_01C745D1.9E949ED0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Jarrett,
Nice design -my undertakings are modest = in=20 comparison.
Keep us informed of your progress, = would love to=20 see the plugs etc.
George ( down under)

George, if the truth be told.. Had I known then, what I = know now,=20 I'm not sure I would have taken this project on. I've spent a pile of = money=20 and time to get it up and going. It's been a real uphill battle to get = the=20 thing where it is today.

My day job is an Industrial designer [well.. and a corporate = pilot but=20 thats only part time] working w/ steel mills and power plants = designing=20 heavy equipment. This project is not much different from my day job, = just alot=20 more 'precise' which translates into headaches.. the thing grows=20 ~ 0.0012" per degree-F in length. This can cause some = problems in=20 out warm Canadian winters :-). All in all, this isn't really an issue = for=20 building plug's and molds. A plug or mold machined to w/in 0.010" is = going to=20 be pretty darn good, and typically much better than the average hand = built=20 mold. For high precision molds which are accurate down to the thou, = it's=20 do-able, you just have to pay attention alot more to controled = climate, as=20 well as mantaining the machine temp to control thermal driven = movement. [gee,=20 that rolls off the tongue soo easy :-)]

I've several airframe design's but the one that prompted me = to=20 build the machine was this one[attached]. It's a four seat [expandable = to 6=20 but would be a little cramped <-- like the back seat of a 172] = twin, using=20 two 20b's or two four rotor's. It would also fly on 13b's but they = would be in=20 a minimum weight model, not alot of amenities.

It most likely won't be my first aircraft however, as it's = going to=20 be a huge undertaking. I'll most likely start w/ something a little = smaller.=20 I've always wanted a Pollen Special [or a Corsair, Fw190, = F8f] made from=20 carbon. Trim it down, smooth out the lines a bit and throw a 20b up = front,=20 single seat.. it'd be a blast.

I've gotta be carefull what I jump at from now on, I'm = gonna be a=20 dad here in 5 months so.. all things concidered some of my 'hobbies' = are going=20 to have to start paying their way :-)

Freight isn't that bad to Austrailia! We send stuff down = there once=20 a month in my day job [ by the container load]

All the best

Jarrett

 

----- Original Message -----

From: George Lendich <lendich@optusnet.com.au>=20

Date: Wednesday, January 31, 2007 1:58 am=20

Subject: [FlyRotary] Re: New Cowl Contest=20

>
> Jarrett,
> A great and admirable = undertaking - I=20 wish you lived/worked locally!
> Give us an idea of your = design!?=20
> George ( down under)

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Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 http://mail.lancaironline.net/lists/flyrotary/
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