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Author Topic: Biplane Racers - Reno Style  (Read 5695 times)
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THB
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« on: August 14, 2013, 08:37:59 AM »

Hi Biplane Fans
It's about 4 weeks till the next Ingle Farm night here in Adelaide - plenty of time to build.
I was catching up on some reading recently that said:

'Biplane Racers Get the Official OK'

Just to get you in the mood I've attached the relevant documents
Tim
Attached files Thumbnail(s):
Biplane Racers - Reno Style
Biplane Racers - Reno Style
Biplane Racers - Reno Style
Biplane Racers - Reno Style
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Tim
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Bredehoft
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« Reply #1 on: August 14, 2013, 08:53:49 AM »

There are many great biplane racers, but I think if I were building one, I would have to tackle the Sorceress.  I've often thought about it anyway Smiley

http://airpigz.com/storage/hi-res/2013/Sorceress-1970-Reno-Biplane-Racer-1.27.13-Udvar-Hazy-.jpg

http://airpigz.com/blog/2013/1/28/coolpix-1970s-reno-biplane-racer-sorceress-at-the-udvar-hazy.html

--george

Biplane Racers - Reno Style
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THB
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« Reply #2 on: August 14, 2013, 09:01:25 AM »

Well - the Sorceress is a beautiful machine. But I've already picked the Biplane I wanted to build.

In fact I've had an article sitting near the building board for a year or so. And now I can't find it.

So Dave has sent a 3-view to help out - from one of Trev's books.

The aeroplane is the Sundancer - a Midget Mustang I think - but obviously modified to hold extra wings.
The thing that really appealed to me was the seventies orange and gold colour scheme with the big sun graphic. I can almost hear the strains of Seals & Crofts 'summer breeze' blaring out on the eight-track car stereo as they made their way through Nevada behind a big Oldsmobile.
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Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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Tim
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THB
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« Reply #3 on: August 14, 2013, 09:11:03 AM »

Gee that Sorceress is amazing tho. George, I'd love to see you have a go at building one and post some pics!
I haven't seen any tissue paper that shiny...
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Tim
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THB
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« Reply #4 on: August 14, 2013, 09:13:22 AM »

A couple more Sundancers...
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Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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Tim
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tross
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« Reply #5 on: August 14, 2013, 09:15:11 AM »

Love the color Tim! Grin
The second set of pics really shows the actual plane size.

That is a wild looking plane George! Smiley Shocked
If you build it, what wingspan and what kind of power are you thinking? Cool

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
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« Reply #6 on: August 14, 2013, 10:09:28 AM »

When I initially researched this, I was thinking Peanut scale, because I was hoping to fly in the FAC Goodyear/Formula event.  I have since been told that biplanes are not permitted in that class.

I would still consider Peanut Scale with rubber power (of course!)

Note:  this is only one of dozens of designs I ponder, so it is not high on my build-list, currently.

--george
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« Reply #7 on: August 16, 2013, 06:43:12 AM »

So I dropped into the local Library late today to enlarge some 3-views of the Sundancer on their copier.
As I laid out the copies and measured the resulting span (about 16inches) a guy came up to me and said:

'So you're the guy who copies aeroplane plans? - I've seen these aeroplane photocopies in the recycle bin before and think someone must really like aeroplanes'.

We had a good chat, but at the end I said: 'It might not be me - there's another guy round here that likes aeroplanes too. Was he copying a biplane, did you notice?'
 Cheesy
Tim
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sparkle
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« Reply #8 on: August 16, 2013, 04:05:15 PM »

 Grin Hi Tim, ambitous project, out of my leage! Sad That other guy that copies aeroplane 3 views around your way, seems a bit quiet at the moment, what is he scheming?  Wink
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dputt7
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« Reply #9 on: August 17, 2013, 05:53:31 AM »

Hi
Well, I had to have something to show before I could post and it wasn,t me at the libary photocopier though I have been guilty in the past  Grin
When we decided on Biplane racers I Googled them and looked at the Image results. I was imeadiately drawn to "Miss Gianna" owned and flown by Jeff Lo and described as a Super Pitts, that's where the problems started, I could not find a 3-view or even any dimentions anywhere. I did find a direct side view photo and that gave me a start. I printed the photo of the fuslage and cut it out, then I cut out several size wings from cardboard to make a mock up that resembled the proportions in the photos. I know this is not too accurate but it should be a reasonable representation, this will be a no doco event  Smiley  I knew that Racing biplanes were limited to a minimum wing area of 75 square feet and most of the specials were close to this so after finding a photo of the builder holding the bottom wing I worked out an approximate span of 17' using 6' as the apporoximate height of the fella in the photo and calculating back this gives an area of 80 sq. ft., close enough I think. If you are interested there is a great link on building "Miss Gianna" here http://aafo.com/racing/2005/lo_racer/
So using the side view photo I was able to draw a plan for the Fuslage, I,ve decided on 15" span for this model, so here we go!
Attached files Thumbnail(s):
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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dputt7
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« Reply #10 on: August 17, 2013, 06:09:48 AM »

The fuse sides are made from light 3/32 square, the rear lower longerons are 1/8th x 3/32nd this will allow me to radius the corner without loss of strength. After studying other Racing biplanes I could work out the width as they all use the same IO-360 Lycoming engine. The front of the fuse will be worked out as I go along. I have put in the motor peg position but that can be changed as it becomes more complete. Well, thats as far as I've got so far.
regards Dave
Attached files Thumbnail(s):
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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Re: Biplane Racers - Reno Style
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sparkle
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« Reply #11 on: August 17, 2013, 06:41:48 AM »

 Grin Wow, sounds like you need to be sherloc Holmes to sort out a plan for this one. Still good detective work. I thought all this " quietness" meant you must be up to something!  Wink
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tross
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« Reply #12 on: August 17, 2013, 08:14:50 AM »

Pretty cool Dave,
Here is another side view and some pics of the frame.
http://aafo.com/racing/2005/lo_racer/

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
dputt7
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« Reply #13 on: August 17, 2013, 08:35:14 AM »

Hi Tony
Thanks for that, its the same link I posted, It was the info that decided me to go ahead with the model.
regards Dave
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« Reply #14 on: August 17, 2013, 09:50:41 AM »

My apologies.
I have a folder chalked full of Pitts stuff from a p-nut I drew last year but didn't build.
I saw your pics but didn't check the link.....thought I was sharing something...... Undecided
Just sitting in the back quietly now...... Embarrassed

Tony
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Instructions: Step One...Assemble the pile of sticks shown in pic "A" to look like the model airplane shown in pic "B"........
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« Reply #15 on: August 17, 2013, 08:06:54 PM »

Tony
No apology required, It was great you went to the trouble of posting, please come back to the front row  Grin
Dave
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THB
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« Reply #16 on: August 17, 2013, 09:59:35 PM »

Good pictures on that link.
I spent the last 24 hours staring at the plans and trying to decide whether to go box-and-stringers or use the sections to make formers. Finally decided to dive into the latter. So haven't got far, but will make some more progress now I have a direction to go with.
Here's where I'm at this morning.
Used the Section drawings to cut formers - I'll work out the stringer spacing once I have the formers in place I think - and just make it up as I go along.
Attached files Thumbnail(s):
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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Mark Braunlich
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« Reply #17 on: August 17, 2013, 10:44:21 PM »

Hot Canary plan

http://www.outerzone.co.uk/plan_details.asp?ID=2827
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« Reply #18 on: August 18, 2013, 04:35:09 AM »

Thanks Mark - that Hot Canary has a much simpler fuselage than Sundancer. Have you built one? Any pics? I'm sure that boxy fuselage will start to look more appealing the further I get into this Sundancer. Meanwhile, I'm playing catch-up now that Dave has got much of his fuselage built...  I've gone ahead with some formers and will set them up on a frame. Some notches are already cut, and some I'll see how they fit once I get started.
The former in the last pic is just a test fit - I'll cut holes for the rubber before I glue it in.
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Re: Biplane Racers - Reno Style
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Re: Biplane Racers - Reno Style
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Tim
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dputt7
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« Reply #19 on: August 18, 2013, 09:49:14 AM »

Hi
I built that Hot Canary but never got it to fly properly, most likely no fault of the design. Nice to see your start Tim, is it really 16" or did it suddenly become Peanut?
I got a bit done today, built in the pylon and sheeted the cockpit combing. I though about stringers for the compound curves in the nose and eventually decided to sheet it in soft 1/16th. Need to do a bit of sanding and a coat of filler but it dosen't seem too far off. Need a few stringers on the  under surface to basically finish the fuse.
Regards Dave
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Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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dputt7
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« Reply #20 on: August 18, 2013, 09:51:21 AM »

More photos
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Re: Biplane Racers - Reno Style
Re: Biplane Racers - Reno Style
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THB
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« Reply #21 on: August 18, 2013, 10:01:12 AM »

Nice work on the sheeting - a good way to go. My fuselage will be stringers for the most part and then  engine cowl and extras carved from block. Not much progress tonight because the section shapes were not quite right and so had to re-do some of them. Size I'm pretty sure was about 15-16inch span. I don't think it shrunk - but I was distracted in conversation so it may have come out a few different sizes...  Maybe that was what was wrong with the former sections...
cheers
Tim
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Re: Biplane Racers - Reno Style
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« Reply #22 on: August 18, 2013, 10:07:38 AM »

You sure those distraction have nothing to do with the FLY being built in the background Tim.
I love making fuselages like that, but you seem to do lots of work before there is any thing to show.
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« Reply #23 on: August 18, 2013, 03:05:52 PM »

 Grin You boys are certainly Racing along!  Grin
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THB
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« Reply #24 on: August 19, 2013, 09:18:21 AM »

 - I think if I keep sticking bits on it might start looking like an aeroplane at some point...
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Tim
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