RE: 1/2a Biplane    Gallery
View related threads: (in this forum | in all forums)

Logged in as Guest



Users viewing this topic: none
    Search This Thread  
 
Printable Version



All Forums >> RC Airplanes >> "1/2 A" & "1/8 A" airplanes >> RE: 1/2a Biplane Page: <<   < prev  1 [2] 3 4   next >   >>  

Tower Hobbies Get Coupon Codes Brands  
Login
Message << Older Topic   Newer Topic >>
RE: 1/2a Biplane - 11/29/2009 6:57 PM   
flyinrog



Posts: 7160
Score: 109
Joined: 9/3/2002
Last Login: 5/24/2013
From: Burlington, NC, USA
Status: offline 		Oh, wait, is that the one you gave to a friends son and he crashed it?...I remember the pic, not sure of the story...Rog

_____________________________

Ever walk into a room and forget what you went in for?...ADHD, welcome to my world,it happens everyday!

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 26

RE: 1/2a Biplane - 11/30/2009 3:25 AM   
jeffie8696



Posts: 4428
Score: 120
Joined: 5/10/2007
Last Login: 5/25/2013
From: Muscatine, IA, USA
Status: offline 		This little thing makes me woozy. It is the Herr Pitts at Sig , Totally Sweet!!!


Attachments
Click to see fullsize image.
Click for fullsize


_____________________________

Club Saito # 677 , Team Boca Bearings and Star Collectibles Muscatine

Hide Signatures

(in reply to flyinrog)
       Post #: 27

RE: 1/2a Biplane - 11/30/2009 3:44 AM   
Tom Nied



Posts: 1275
Score: 100
Joined: 2/19/2002
Last Login: 5/25/2013
From: Carol Stream, IL, USA
Status: offline 		That is cool. Do they have ailerons on just the bottom wing?

Hide Signatures

(in reply to jeffie8696)
       Post #: 28

RE: 1/2a Biplane - 11/30/2009 7:10 AM   
jeffie8696



Posts: 4428
Score: 120
Joined: 5/10/2007
Last Login: 5/25/2013
From: Muscatine, IA, USA
Status: offline 		I dont know, I will check with Mike Lee at Sig.


_____________________________

Club Saito # 677 , Team Boca Bearings and Star Collectibles Muscatine

Hide Signatures

(in reply to Tom Nied)
       Post #: 29

RE: 1/2a Biplane - 11/30/2009 12:42 PM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline
quote:

ORIGINAL: flyinrog

Oh, wait, is that the one you gave to a friends son and he crashed it?...I remember the pic, not sure of the story...Rog



That's the one. I don't think he's ever flown it though.

_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to flyinrog)
       Post #: 30

RE: 1/2a Biplane - 11/30/2009 6:52 PM   
jeffie8696



Posts: 4428
Score: 120
Joined: 5/10/2007
Last Login: 5/25/2013
From: Muscatine, IA, USA
Status: offline 		Just ailerons on the bottom wing. Is it that significant if they are large enough?


_____________________________

Club Saito # 677 , Team Boca Bearings and Star Collectibles Muscatine

Hide Signatures

(in reply to Tom Nied)
       Post #: 31

RE: 1/2a Biplane - 11/30/2009 11:24 PM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline 		It's significant if the bottom wing is stalled and the top is not.

_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to jeffie8696)
       Post #: 32

RE: 1/2a Biplane - 12/3/2009 6:45 PM   
skaliwag



Posts: 2166
Score: 100
Joined: 1/9/2003
Last Login: 5/25/2013
From: santa cruz, CA, USA
Status: offline 		Here's an older design. You would have to add ailerons. Scroll down to Schoolgirl.

http://www.selecthobbies.com/kitdata.htm#Early%20RC%20Kits

And there is a Honker Bipe plan.

http://www.rcmplans.com/index.php?main_page=product_info&cPath=11&products_id=1374

< Message edited by skaliwag -- 12/3/2009 8:09 PM >

_____________________________

Real Airplanes have Round Engines and Two Wings.

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 33

RE: 1/2a Biplane - 12/3/2009 7:43 PM   
combatpigg



Posts: 16888
Score: 376
Joined: 11/22/2003
Last Login: 5/25/2013
From: arlington, WA, USA
Status: offline 		Here's one thrown together out of balsa sticks, bamboo skewers, cellophane covering, Spiderline controls....based on the Ultimate Bipe.
The flat bottom airfoil was an experiment to see if it would hold it's place in the sky better during upright flat spins and tumbles....it does pretty well.



Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize



_____________________________

Blatantly corrupt umpiring at Yankee Stadium is an American tradition
It''s just part of the game.

Hide Signatures

(in reply to skaliwag)
       Post #: 34

RE: 1/2a Biplane - 12/3/2009 8:31 PM   
Andrew


 

Posts: 2930
Score: 105
Joined: 2/4/2003
Last Login: 5/25/2013
From: Murray, KY, USA
Status: offline
quote:

ORIGINAL: skaliwag

And there is a Honker Bipe plan.



Yeah - the Bipe came out shortly after the original Honker and used the same wing (if you had built a Honker, your wing construction was already half done ). The plans called for a .15 to .25 - it would fly fine with a .15; with a .25, it was "sporty" to say the least.

There was an even later offering by Dave Thornberg (designer for the Honker series) called the Honker Rocket which was used for some class racing. It was essentially a Honker with the fuselage cleaned up a bit.

All three planes used a Jedelsky airfoil making them some of the original SWR's.

andrew


_____________________________

the "other" andrew
I'm not older than dirt, but I can remember when it was patent pending

Hide Signatures

(in reply to skaliwag)
       Post #: 35

RE: 1/2a Biplane - 12/14/2009 11:56 PM   
Trinut


 

Posts: 37
Score: 105
Joined: 11/5/2003
Last Login: 5/25/2013
From: Grosse Pointe, MI, USA
Status: offline 		I am thinking of a 1/2 a bipe using one set of ace constant cord foam wings I had.
After you add ailerons, they come out to a six inch cord, and each section is 18 inches long.

I noticed this is the correct cord and wingspan for a scaled down Bill Warwick "hot canary",
which is a negative stagger racing bipe. I found some planes on line for a 30'' span version for American Modeler Magazine and scaled those down.

(Top flight did one at about 36 inch span for a .40)

18 inch span looks crazy small, but it is about the same proportions as the top flite sized one, and that flew ....

It would be so simple to use the molded foam wings as they are, in their 18 inch sections.

What do you think?



Hide Signatures

(in reply to Andrew)
       Post #: 36

RE: 1/2a Biplane - 12/15/2009 12:22 AM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline 		The ACE Simple Ultimate uses those wings. My Bipe Stik uses lighter foam copies of the same wing.

_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to Trinut)
       Post #: 37

RE: 1/2a Biplane - 12/15/2009 12:44 AM   
Trinut


 

Posts: 37
Score: 105
Joined: 11/5/2003
Last Login: 5/25/2013
From: Grosse Pointe, MI, USA
Status: offline 		Bipe flyer

Yes I saw the wire-cut reproductions of the ace molded wings.
I am familliar with the ace bipe that used them too - that was for a .10 or .15
What is unique abaout the bipe I am proposing is that it uses only one set, unjoined, so it would have about 200 sq inch wing area, the same as the simple series ment for 1/2a's.

So it would be an 18 inch span negative stagger bipe for 1/2a.
I'll try and frame someting up and post it ...


Hide Signatures

(in reply to Bipe Flyer)
       Post #: 38

RE: 1/2a Biplane - 12/15/2009 12:56 AM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline 		Oh, I see what you mean. I would have thought the Hot Canary would have a narrower, longer wing than that. From looking at a 3 view a 6" chord would be a 28" span.

I built I bipe using the panels as you described, makes for very fast roll rates.

Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize


_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to Trinut)
       Post #: 39

RE: 1/2a Biplane - 12/15/2009 1:11 AM   
Trinut


 

Posts: 37
Score: 105
Joined: 11/5/2003
Last Login: 5/25/2013
From: Grosse Pointe, MI, USA
Status: offline 		Thats it !!!!!!!!

Thrue, 6 x 18 inch doesn't scale from that drawing of the actual plane. I scaled it from a .40 size published in American Modeler magazine - take a look

http://www.rcgroups.com/forums/showthread.php?t=965961&highlight=hot+kanary

Which cox engine/prop is that? I have a norvel big mig .049 I was thinking of using.

Regarding the fast roll rate, the .40 size I am scaling from had ailerons on the bottom wng only, which I think I would do too, for such a short span.

Thanks so much for posting your bipe, it really encourages me to give it a try.

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 40

RE: 1/2a Biplane - 12/15/2009 3:52 AM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline 		At first I thought they shortened the wings in the drawing for space, but when checking the scale indicator against the chord on the side view of the fuselage, then using that to calculate the span and scale it to 18" without the wing tips, you get a chord of 6". I've never seen a Hot Canary with wings that short.

The engine is a pre-Revlite Norvel AME .061 with an APC 5.7X3 prop.

To be perfectly honest that wasn't my best design. The aspect ratio of the wings, thick airfoil and having 2 of them made for a very draggy plane.

I prefer ailerons on both wings because you can run into a situation where one wing is stalled and the other is still flying, especially if you use different incidences on each wing. For example, it's not uncommon to put the bottom wing at a few degrees relative to the top wing - if you get slow or at high AOA the bottom wing can stall while the top wing has not, giving you no aileron control. In the case of the Hot Canary, it's actually preferable to have the bottom wing stall first because, as it is the forward wing, the CG would shift forward, dropping the nose and building up airspeed. Of course things like stagger and using different airfoils on each wing change the stall characteristics of each so I just stick to zero incidence for both wings and ailerons on both. Also, I believe that rolls are more axial when your control surfaces are not so far offset from the centre line of the plane.

_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to Trinut)
       Post #: 41

RE: 1/2a Biplane - 12/19/2009 4:17 AM   
Honker1


 

Posts: 99
Score: 100
Joined: 11/10/2007
Last Login: 1/11/2013
From: Lebanon, OH, USA
Status: offline
Hello all,

Well I am finally home for about two weeks!! Will retire to the basement soon and start cutting balsa and building 1/2a like I do every year. I really appreciate everyones plans that were posted, I plan on building the Jn-4, Waco, Bandito and the Niewport. I love 1/2a, probably because most of my young life I got a Cox P-51 control line for Christmas every year and I flew it until the wings broke (really)!

Hope everyone has a great break however long it is (I used to get no break, finally seniority has caught up!) Build some planes to fly this spring, life is short, enjoy what time is left.

Thanks,

Honker1

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 42

RE: 1/2a Biplane - 12/19/2009 8:10 PM   
Jaspur_x


 

Posts: 360
Score: 100
Joined: 12/19/2009
Last Login: 3/5/2013
From: Friedens, PA, USA
Status: offline 		I was lookingfor a similar project for my building season. I`m having a hard time trying to find anything at all from clancy aviation. I really wanted to downsize their bipe to an .010 or .020 size. I would settle for a ladybug or yard bee though in case anyone runs across anything, or knows anyone, etc.

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 43

RE: 1/2a Biplane - 12/20/2009 2:41 AM   
Bipe Flyer



Posts: 5274
Score: 105
Joined: 11/6/2002
Last Login: 12/3/2012
From: Mission, BC, CANADA
Status: offline 		I tried to find one too and finally gave up and drew a partial plan.

Just let me know what file format you want and shoot me your email address.

Attachments
Click to see fullsize image.
Click for fullsize


_____________________________

1/2A all the way!
Club Saito #151

Hide Signatures

(in reply to Jaspur_x)
       Post #: 44

RE: 1/2a Biplane - 12/20/2009 5:54 AM   
MJD



Posts: 5680
Score: 125
Joined: 5/28/2003
Last Login: 5/24/2013
From: Orangeville, ON, CANADA
Status: offline
quote:

ORIGINAL: Trinut

18 inch span looks crazy small, but it is about the same proportions as the top flite sized one, and that flew ....

It would be so simple to use the molded foam wings as they are, in their 18 inch sections.

What do you think?


My low wing monoplane with one 17" piece of ACE wing and an .049 works fine, and glides really well. So single pane; ACE wing things are feasible, yes.


_____________________________

I try to be pessimistic, but why bother?

Hide Signatures

(in reply to Trinut)
       Post #: 45

RE: 1/2a Biplane - 12/20/2009 6:16 AM   
Boomerang1



Posts: 2255
Score: 120
Joined: 6/24/2005
Last Login: 5/25/2013
From: Sydney, AUSTRALIA
Status: offline
quote:

I was thinking a loose Jenny, SE5 , Moth. Slow, light....


I can help you out with an SE5, a 1/10 scale version at about 30 inch span, motor shown is a Mills 1.3 diesel.

PM me if you are interested. - John.

_____________________________

Distributor for: Nothing! So my posts can be unbiased.

Hide Signatures

(in reply to Bipe Flyer)
       Post #: 46

RE: 1/2a Biplane - 12/20/2009 6:22 AM   
Boomerang1



Posts: 2255
Score: 120
Joined: 6/24/2005
Last Login: 5/25/2013
From: Sydney, AUSTRALIA
Status: offline 		Other plans for small engines I would never build, but would be a shame to throw out are:

Farman Moustique, for a 25 size engine.

Short Skyvan, engines shown are two Medallion or Tee Dee 049's.

D.H Moth minor for 20 size engine.

Luscombe Silvaire, 15 to 20 size engine.

Not 1/2 A, but I'm not likely to build a 40 size Fokker EIII either, who wants it?

John.

_____________________________

Distributor for: Nothing! So my posts can be unbiased.

Hide Signatures

(in reply to Boomerang1)
       Post #: 47

RE: 1/2a Biplane - 12/20/2009 6:31 AM   
Boomerang1



Posts: 2255
Score: 120
Joined: 6/24/2005
Last Login: 5/25/2013
From: Sydney, AUSTRALIA
Status: offline 		Aeromodeller plans which I no longer have but you may be able to trace are the Bristol Scout, Sopwith Triplane & Nieuport II.

These were all free flight plans, all sheet construction, so simple to build.

I tried them free flight with Babe Bees, the Scout was a good flyer, the Nieuport not so good.
Never got around to the Triplane. - John.

_____________________________

Distributor for: Nothing! So my posts can be unbiased.

Hide Signatures

(in reply to Boomerang1)
       Post #: 48

RE: 1/2a Biplane - 12/20/2009 6:39 AM   
Boomerang1



Posts: 2255
Score: 120
Joined: 6/24/2005
Last Login: 5/25/2013
From: Sydney, AUSTRALIA
Status: offline 		Whoa! Just dug out a couple more, designed for electric but convertable:

Bristol Beaufighter, my guess, for two 10 size engines, hand launched.

Sopwith 1 1/2 Strutter, designed for a speed 600, a 20 to 25 would do the job.

John.

_____________________________

Distributor for: Nothing! So my posts can be unbiased.

Hide Signatures

(in reply to Boomerang1)
       Post #: 49

RE: 1/2a Biplane - 12/20/2009 8:03 AM   
fullfun


 

Posts: 18
Score: 100
Joined: 1/26/2006
Last Login: 3/28/2013
From: hummelstown, PA, USA
Status: offline 		well if you don't find anything from now to march check out the cpaa.us website and see about the biggest flea market down at the lebanon fairgrounds in march i'll definately be there

Hide Signatures

(in reply to Boomerang1)
       Post #: 50

Page:   <<   < prev  1 [2] 3 4   next >   >>  
All Forums >> RC Airplanes >> "1/2 A" & "1/8 A" airplanes >> RE: 1/2a Biplane
Page: <<   < prev  1 [2] 3 4   next >   >>  




Jump to:


 
Google 



Search | Marketplace | Event Calendar | Local Clubs | Magazine | Product Ratings | New Products | Discussion Forums

Photo Gallery | Instructor Search | Field|Track|Marina Search

Advertisers | Hobby Vendor Resources | Rate Manufacturers | Sign In/Sign Up

SITE MAP!   : :   FORUM RULES

RC Universe is a service of Internet Brands, Inc. Copyright © 2001-2013.

Charities we support that also need your help
Yorkie Rescue | Humane Society | ASPCA | Crohn's-Colitis America


0.842RCU1