Mailing List flyrotary@lancaironline.net Message #35292
From: H & J Johnson <hjjohnson@sasktel.net>
Subject: Re: [FlyRotary] Re: New Cowl Contest
Date: Wed, 31 Jan 2007 15:58:57 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>

George, I will.. some day when I do get to building it, it most likely won't happen for a couple years or more.. I'll be sure to have some pic's of molds and bucks up on a website in the near future.

Jarrett

 

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

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

Date: Wednesday, January 31, 2007 3:21 pm

Subject: [FlyRotary] Re: New Cowl Contest

> 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.
>
>  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 <lendich@optusnet.com.au>
>
>  Date: Wednesday, January 31, 2007 1:58 am
>
>  Subject: [FlyRotary] Re: New Cowl Contest
>
>
>  >
>  > Jarrett,
>  > A great and admirable undertaking - I wish you lived/worked
> locally!
>  > Give us an idea of your design!?
>  > George ( down under)
>
>
>
> -------------------------------------------------------------------
> -----------
>
>
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