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Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Old 04-15-2008, 12:05 PM
  #1476  
toywizard
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Now I like that!!!

Nice job
Old 06-07-2008, 10:51 PM
  #1477  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Heres a vid of my first flight with my pbf. The biggest coroplast i could find was 18in. Its 18x18, OS Max-S 35, 9x6 prop, 3ch throttle, rudder, elevator. It flies great but i got over confident and tried to come into a hover and crashed it. BTW this is my first nitro plane flight also
http://www.youtube.com/watch?v=gipbJJosOZQ
Old 06-08-2008, 08:37 AM
  #1478  
Goinstraightup
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Hahaaaaaa That is Sooooooooo much like my PBF 1st flight Uh, come to think of it that was like my flights 2,3,4,5,6,7,8,9,10,11,12,13.... [8D][&:][&:]
Old 06-08-2008, 08:24 PM
  #1479  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

I wish my first PBF flights were that good. lol
Old 06-09-2008, 01:19 PM
  #1480  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Definately not a bad maiden for a PBF. They are such strange planes but so much fun. I'm not too sure but I might try less pitch on that prop it makes a huge difference and the right prop makes it so much fun.
Old 06-09-2008, 03:37 PM
  #1481  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Thanks steve, im running a OS Max-s 35, the prop i had on it was a 9x5. What would you recomend? an 8x4 maybe
Old 06-09-2008, 03:44 PM
  #1482  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

I use a 10x4 with my 40 fp, so maybe a 9x4, or try an 8x4. I'm not really sure, you'll have to experiment, or maybe someone else has a suggestion.
Good luck.
Old 06-09-2008, 04:17 PM
  #1483  
Dave McDonald
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Garrett, congratulations on your successful PBF test flight!

A Master Airscrew 9x4 would probably work best on that old OS 35.

In fact, you will probably want to buy a bag of Master Airscrew 9x4 props.
Old 06-09-2008, 05:44 PM
  #1484  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Thank you Dave, I owe it all to you and your webpage. I just got back from the hobby store with a few 8x4 S-2 Series master airscrews. Ill try them out tomarrow hopefuly. I have a os max 15. How small do you think i could go with it?
Old 06-09-2008, 06:35 PM
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

A 15 size engine should work pretty good on a 18x18 PBF. And those 8x4 props should be a perfect match for the 15 engine.

Replacing the 35 with a 15 should get rid of a lot of dead weight, which should make your PBF fly better too.
Old 06-09-2008, 08:11 PM
  #1486  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

cool, i didnt think it would be powerful enough but ill try it tomarrow.
Old 06-09-2008, 09:24 PM
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Dave McDonald
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

The prototype PBF first flew with an old HB 15 and an 8x4 prop. The OS 15 should be a little more powerful. If you can keep the weight down to under 1.5 pounds, the 15 should be able to hold a vertical hover.
Old 06-09-2008, 10:23 PM
  #1488  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

You guys may want to try using Tornado props, especially those new to PBF's. They will flex on impact, not break,and save you a ton of money on props!!
The only problem I've found is the in flight flexing causes less pull, so I compensate by going to the next higher pitch.

I've been flying the same prop for 2 years.......and when they get way out of shape, drop them in some boiling water for about 3 minutes....they straighten right back!!!

You can thank me later!!!
Old 06-10-2008, 06:00 PM
  #1489  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

RC_Maniac, where can you get them? I searched yahoo but couldnt find anything except a place that sold 5x4 Tornado props but no other sizes.
Old 06-10-2008, 06:18 PM
  #1490  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Tornado props are made by Grish.

They are a perfect match to a PBF because they are nearly unbreakable.

Unfortunately, finding Grish props in the sizes needed for a PBF is going to be very hard to do. The Master Airscrew props are the second best choice, but a distant second place.
Old 06-10-2008, 07:41 PM
  #1491  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

I have to say the Airscrews are pretty flexable. I just had three good flights with minor crashes and didnt break a prop. I would still be out there but my glow starter went dead
Old 06-10-2008, 09:27 PM
  #1492  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Here you go guys.....Tornado Props...all sizes available!!

http://www.eam.net/Grish/tornado_mod..._propeller.htm

Good Luck
Old 06-10-2008, 09:47 PM
  #1493  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Heres my latest flight, probly 12-15 flight. Sorry for the hatcam, its a little high. http://www.youtube.com/watch?v=82idyvhdp0g
Old 06-11-2008, 12:15 AM
  #1494  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Here is my 4th PBF. It has a .049 engine and sub micro servos. I think it weighs 8 or 9 ozs RTF. A regular Cox .049 has just enough ooomph to hover it and it will fly great with just 2 channels and the rudder tied off.
Set up like in the photos with a more powerful engine and 4 channels makes it the most aerobatic 1/2A plane I've flown.
The frame work is 1/4"x1/4" balsa sticks and all the places where the sticks meet were doweled with toothpicks. The elevons and rudder are rigged with Spiderline fishing line.
IIRC, it is about 18"x18" total.
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Old 06-12-2008, 11:30 AM
  #1495  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Here are a few more videos of my pbf. Im still on the same airscrew prop, probly around 15-20 flights on that prop.
http://www.youtube.com/watch?v=NC2UfyxTQkw
http://www.youtube.com/watch?v=MhIunQU4Y2o

Heres a few pics of it. I made a new one 20x20 with 4in elevator and rudder.
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Old 06-15-2008, 11:13 PM
  #1496  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Has anyone here made one with a .049? I have a dragonfly that needs to be on one
Old 06-16-2008, 10:17 PM
  #1497  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

THK YOU Mr. Dave I just down loaded PBF I,ve been asking around for about 6yrs just got on line 1st time resently found this site tonite I,m happy 1 I,ve collected alot of coro over this time and some is warped any way to straighten it ? Ifly lazy bee's 40" &42"
& 60" also 25 other planes 25% to firebird II 3D mostly I think this PBF will be great. THK YOU Again Mr Dave
Old 06-23-2008, 06:16 AM
  #1498  
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)


ORIGINAL: Garrett1234567

Has anyone here made one with a .049? I have a dragonfly that needs to be on one
I'm also hunting for something to put my Surestart 049 on....
Old 06-24-2008, 10:12 PM
  #1499  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Well i took a drastic jump in prop size, I tried a 10-6 and 11-7. Man what a diff. it made, so much faster and more responsive. Heres a few vids of it.
http://www.youtube.com/watch?v=Z5_Ptfm09wQ
http://www.youtube.com/watch?v=YeFYt6K44yA
Old 06-28-2008, 12:01 AM
  #1500  
Garrett1234567
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Default RE: Build your own PBF (Pizza Box Flyer, Flying Pizza Box)

Maybe you guys can help me out. I just got 2 engines and do not know anything about them. One is a HP 40 black case with a gold head. The other is a Irvine 40. They both have great compression and the guy said they had only been on starting blocks. Let me know if you guys know anything about them.

The HP is made in Austria and the Irvine is made in England.

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