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Old Oct 23, 2001, 09:59 PM
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ULTIMATE BIPLANE - Another Meat Tray (Depron) Project.

SteveC has converted a "and now" into a Ultimate Biplane that looks real great. So great that I have to have one. He has posted a drawing on the Pitts thread and I hope he will put it on here. His has about a 27" wingspan....I think I'll try one with a 22" wingspan. He has already flown his version without the foam body and reported that it flies well so if you use his dimensions you know it will work. Mine are always a thrill

So get out your hot wire gun, the exacto blades, and lets start building.

hoppy
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Last edited by hoppy; Oct 25, 2001 at 12:24 PM.
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Old Oct 24, 2001, 03:21 PM
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belgium
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hey

Hoppy is on the road again for a new challenge

don t forget as the previous one to show us the pics

good luck Hoppy


AJoe
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Old Oct 24, 2001, 03:33 PM
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Hi guys,

Here is the Ultimate Bipe in progess.
I weighed it and so far the airframe with servos 4.1 oz.
The wings were an experiment for my "and_now" stik, it flew awesome with the stik fuselage.

Steve

Here is a picture of the first stik version;
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Old Oct 24, 2001, 03:44 PM
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Steve,

Your 4.1oz measurement is impressive.

Can you list the components you used please?
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Old Oct 24, 2001, 03:50 PM
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Here is a picture of how it looks so far.
This time I'm using 4 channel, full house control.
Everything is made of Walmart's depron sturdyboard with the paper removed.
I expect it to fly even better than the stik version.
The stick version is using the "lil hornet" mg1 motor/brass tube setup and flew fully aerobatic.
With this one I thought I would step up to a speed 400 for even better aerobatics and maybe get into the foamy scratch built contest.
What do you guys think about the speed 400?
Too much? Too heavy? Just right?
I got the idea from david_dewit of Australia who uses a 400 in his "tiny"
With the MG1 motor and battery I expect it to weight right around 10 oz.
I haven't weighed the speed 400 and battery yet.

Here is how it looks so far:
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Old Oct 24, 2001, 04:01 PM
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Greg,
I'm using GWS pico std's for the rudder/elevator and a pico BB for the aileron servo.
If I stick with the MG1 I'll be using a little Greatplanes 5a esc that I love.
I'll be using CC's pixie 14 if I go with my speed 400.
I'll probably be using a stripped down hitec 555 for the receiver.
I have been using a GWS RP4 but the range is too limiting for even the stik version I'm flying.

Steve
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Old Oct 24, 2001, 04:23 PM
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I have been asked for plans so I thought I would give it a shot.
I have found a new appreciation and respect for the people who make plans!
So far all I have are a drawing and the dimensions using adobe illustrator.
These are not to scale so if you want to use it you will need to get out a straight edge and pencil and make the patterns using the dimensions given, or try your own.
I'm sure there are much more qualified people than me out there, so any input is greatly appreciated.
There is more wing area than scale and the fuselage width is tapered toward the nose.
The nose is longer than scale, and will likely be shortened, I left it long in case I need to drastically correct the CG.

Here is a screenshot so far:
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Old Oct 24, 2001, 04:26 PM
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Now we're C O O K I N

I'm debating on the wing chord.....22x4, 22x5, 22x6?????
That's 8.18, 6.54, and 5.45 oz/sq ft. I think the 6.54oz/sq ft might not be bad. Comments???? Looks like Steve's plane is in the 4oz/sqft range, maybe I'm thinking too small...hmmmmm.
Are there any guidlines for biplane wingspan and chord relationships?? Both the Pitts and Ultimate Biplane have skinny wings in the "real" versions.
hoppy
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Old Oct 24, 2001, 10:27 PM
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hey Hoppy, when I click on that link I get a "restricted area" error
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Old Oct 24, 2001, 10:32 PM
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Hoppy

Your link is to a restricted area.


Steve the ultimate looks great, good job!!!!!!!
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Old Oct 24, 2001, 10:52 PM
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Thanks for the feedback.....I think the new one will work

The tail feather and wing patterns have been removed because they are being revised to a larger size.

hoppy

Quote:
Originally posted by buzzsaw 46
Hoppy

Your link is to a restricted area.


Steve the ultimate looks great, good job!!!!!!!
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Last edited by hoppy; Oct 25, 2001 at 12:42 PM.
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Old Oct 24, 2001, 11:02 PM
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Quote:
Originally posted by hoppy
Thanks for the feedback.....I think the new one will work
hoppy

It now works but says the album is empty
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Old Oct 25, 2001, 08:01 AM
Space Coast USA
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OK, now it's working (I hope). I found the yahoo page that permits it to be viewed by the public.

jojo, can you access this picture file? http://photos.yahoo.com/hoppyfl

Since my home page is maxed out, this is an easy way to post the templates.

hoppy
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Old Oct 25, 2001, 03:39 PM
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no problems Hoppy i can open them

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Old Oct 25, 2001, 03:55 PM
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UK
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Steve, is that Windows XP you got there? What do you think of it so far?

(Sorry, I know it's a bit off topic)


Ben C
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