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Horten Bros Ho-229...in "Five Easy Piece"

Old 10-09-2019, 12:07 PM
  #51  
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I just built the 5EZP PAK BAT FA FSW and would also like to build the Horton 229 at 80 percent to fit in my small car. If you don't mind me asking , where is the CG pount on the 5EZP Horton 229 ?
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Old 10-09-2019, 02:31 PM
  #52  
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My apologies.
I failed to label the location.

However, If you look along the leading edge of the wing pattern there is a triangular notch which marks the CoG.
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Old 10-09-2019, 03:17 PM
  #53  
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Thank You Sir ! I'm cutting the parts for your YF 60 right now and my next project will be the 229 Horton wing. You got me so interested in the Horton 229 that Iactually looked up the history of the Hortons. It's quite funny how they came to exist as a company. Thanks for making me think !
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Old 10-27-2019, 08:30 PM
  #54  
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After watching Mr Daeronort's videos and researching the HO 3, 4 and 5 gliders , I cant resist building the 5eZP Horton 229 flying wing at 80% 48". I started my build yesterday using Lowes green fan fold foam and Hobby Looby 30 a 40 foam board. I waiting for a box of model plane foam to arrive. So far I've cut the two wing halves and joined them together . I also fiberglassed (cloth and resin) the rear v shape portion of the wing for strength and to prevent warping. I will post some photos as soon as possible.
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Old 10-28-2019, 12:48 AM
  #55  
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Originally Posted by ROCKETCHRIS View Post
After watching Mr Daeronort's videos and researching the HO 3, 4 and 5 gliders , I cant resist building the 5eZP Horton 229 flying wing at 80% 48". I started my build yesterday using Lowes green fan fold foam and Hobby Looby 30 a 40 foam board. I waiting for a box of model plane foam to arrive. So far I've cut the two wing halves and joined them together . I also fiberglassed (cloth and resin) the rear v shape portion of the wing for strength and to prevent warping. I will post some photos as soon as possible.
I place a length of control rod metal in the tail joint for stiffness and to allow me to add trim.
On my current model i added carbon rod to the edges of the tail to stiffen it.
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Old 10-28-2019, 03:56 AM
  #56  
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Default Thanks for the tip

Originally Posted by Bobdaeronort View Post
I place a length of control rod metal in the tail joint for stiffness and to allow me to add trim.
On my current model i added carbon rod to the edges of the tail to stiffen it.
Thanks for the tip Mr. Daeronort for the tip/ I will take your advice and add carbon fiber (in a truss pattern ?) in the tail. I will add wire as well. After reading your previous post , I think I will use my joined wing halves as a new pattern to create a new one piece foam wing to try and avoid those warping problems from forced joining you warned us about. It should work since the fan fold is 48" long and my wing would be 48" long. Thanks !
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Old 11-01-2019, 01:34 AM
  #57  
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Default NEW BUILD PICS 80% (42" wing span) HORTON WING

https://drive.google.com/file/d/1Jkl...ew?usp=sharing

First I used the paper plan pattern to create two wing halves out of cheap Hobby Lobby foam and joined them together with hot glue to create a "whole wing pattern so I could avoid the warping of the two wing halves that Mr. Daeronort cautioned about in his video.



https://drive.google.com/file/d/1KUP...ew?usp=sharing

Next I used the whole wing white foam pattern shown in the first picture above and some Lowes green Fan Fold Foam 24" x 48" x
5 mm to create a the final one piece wing for the Horton 229. As you can see in this photo , I also beveled and cut out the elevons and used straping tape to hinge them. Next I cut out and epoxied the top pair of KFm4 airfoils.





https://drive.google.com/file/d/1Tm5...ew?usp=sharing

In this photo , I installed a 3mm carbon rod truss pattern in the tail on the wing bottom to keep the tail from warping ( I hope !)
Also I installed a 6mm carbon arrow shaft just forward of the motor slot per the plan (I'm out of 5 mm carbon rod). Also you can see I hot glued 1/4" diameter hard wood dowels to the leading edge of the wing after installing the botom pair of KFm4 airfoils. Also, I beveled the leading edge of the wing down to the surface of the dowels on both sides of the wing. I will post more photos as work progresses.
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Old 11-01-2019, 10:46 AM
  #58  
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Default Correction wing is 80% of full plan or 48" wing span

Originally Posted by ROCKETCHRIS View Post
https://drive.google.com/file/d/1Jkl...ew?usp=sharing

First I used the paper plan pattern to create two wing halves out of cheap Hobby Lobby foam and joined them together with hot glue to create a "whole wing pattern so I could avoid the warping of the two wing halves that Mr. Daeronort cautioned about in his video.



https://drive.google.com/file/d/1KUP...ew?usp=sharing

Next I used the whole wing white foam pattern shown in the first picture above and some Lowes green Fan Fold Foam 24" x 48" x
5 mm to create a the final one piece wing for the Horton 229. As you can see in this photo , I also beveled and cut out the elevons and used straping tape to hinge them. Next I cut out and epoxied the top pair of KFm4 airfoils.





https://drive.google.com/file/d/1Tm5...ew?usp=sharing

In this photo , I installed a 3mm carbon rod truss pattern in the tail on the wing bottom to keep the tail from warping ( I hope !)
Also I installed a 6mm carbon arrow shaft just forward of the motor slot per the plan (I'm out of 5 mm carbon rod). Also you can see I hot glued 1/4" diameter hard wood dowels to the leading edge of the wing after installing the botom pair of KFm4 airfoils. Also, I beveled the leading edge of the wing down to the surface of the dowels on both sides of the wing. I will post more photos as work progresses.
Correction Should read 48" wing span or 80% OF original 5EZP plan.
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Old 11-02-2019, 02:40 AM
  #59  
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Default Horton Upper Canopy Construction.

Cut out both upper canopy pieces out of dollar tree foam without paper (It is flexible) and attached to the upper wing with t pins. Then I hot glued the canopy to the wing and the canopy center seam. Note the wing leading edge airfoil has been shaped , sanded and strapping taped . I will post more pictures as work continues.
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Old 11-02-2019, 02:55 AM
  #60  
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I ordered a Grayson Hobbies Super Mega Jet V2 , Grayson Hobbies 50 amp ESC with ST60 Connector already attached and a 4channel Spektrum receiver that will comprise the power / radio system of the Horton wing. I plan on using a Luminer 2250 30 c battery too. Also I will use 2 - 9 gram Miuzei servos for the elevons that I already have on hand.
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Old 11-05-2019, 11:52 PM
  #61  
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Default More Consruction Photos Of 48" HO 229

The first and second photo show the keel construction on the wing bottom . Notice i did not use score and fold , but rather kept the wing intact so I could have a rigid, flat ,true surface to build from. I cut out the 2 keel pieces and glued the outer edges in place aligning the front leading edge of each keel piece to the leading edge of the wing with t pins. Next I had to create a rectangular 3/4" wide foam piece to act as a former to create he keel shape. I used this rectangular former piece and inserted it from the rear end of the keel to elevate the keel side pieces and create a place to glue the ventral pan to. I found the keel construction to be the hardest part of the build.

The other photos show the installation of the twin ventral vertical stabilizers and nacelle pieces. There are four score and fold separate surfaces that comprise the ventral vertical stabilizers and the nacelles. Simply put, I cut them all out separately , beveled and sanded them to my preference and then attached them to the wing and or canopy individually with contact glue and t pins one at a time.I did not use the score and fold method.

The last photo shows the finished upper center section of the bird. While I'm waiting for the motor and ESC to arrive , I will work on servo installation and paint . More photos will follow.
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Old 11-06-2019, 12:59 AM
  #62  
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Originally Posted by ROCKETCHRIS View Post
I ordered a Grayson Hobbies Super Mega Jet V2 , Grayson Hobbies 50 amp ESC with ST60 Connector already attached and a 4channel Spektrum receiver that will comprise the power / radio system of the Horton wing. I plan on using a Luminer 2250 30 c battery too. Also I will use 2 - 9 gram Miuzei servos for the elevons that I already have on hand.
Don't forget the "V-Tail Mixer".
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Old 11-09-2019, 04:09 PM
  #63  
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Default Question about wing dihedral

Originally Posted by Bobdaeronort View Post
Hi Mr. Daeronort :

In one of your videos , I remember you saying that you added dihedral to the Horton wing. If you did, may I ask how you accomplished it and how much angle was used ? My current 48" ws HO 229 I'm working on has no dihedral in the wing , but I'm already thinking about doing a second one at 60" wing span. Thanks in advance for any information you might have.
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Old 11-12-2019, 08:21 PM
  #64  
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Default More Progress on 48" Ws HO 229

These are the photos of recent progress. My son and I installed the elevon servos. and control rods and control horns. The gear we are using is Grayson Hobbies Super Mega Jet V2 motor, Grayson Hobbies 50 amp ESC with HT60 connector already installed, Spectrum 4 channel receiver, Spektrum 6 channel radio (We don't use a separate V tail mixer because our particular radio will let us program elevons directly) and luminar 2250 3s battery. We are using hand brushed , acrylic (Apple Barrel paint we bought from WalMart. More photos will follow as we progress with the build. I've included a photo of the RCPOWERS style plywood motor mount we will use. i usually cut these by hand with a sabre saw , but I bought this one for 43.00 dollars from Grayson Hobby because I don't like cutting them very much.
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Old 11-12-2019, 08:31 PM
  #65  
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r, thats $3.00 dollars for the plywood motor mount , not 43 dollars.
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Old 11-12-2019, 11:54 PM
  #66  
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Thought that was a bit much to pay for a motor mount Chris, for $43 it should be gold plated.
Plane is coming along nicely.
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Old 11-13-2019, 12:05 AM
  #67  
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Originally Posted by Don Sims View Post
Thought that was a bit much to pay for a motor mount Chris, for $43 it should be gold plated.
Plane is coming along nicely.
Thanks Don. I need to go buy a 6x5.5 prop so I can install the motor and motor mount all in one piece.
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Old 11-22-2019, 01:31 AM
  #68  
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Default Ho 229 motor mount installation

Attached are photos of the 1/8" lite ply motor mount I had to create for the 48" wing span Ho 229. The pre made RC Powers style mount I had previously bought would not work in this situation after all. I had to create the motor mount twice to get the fit and alignment just right (I hope). I use 4mm pan screws to fasten the motor to the mount and then I hot glue the ply mount to a 6mm piece of foam for vibration dampening and then hot glue the foam vibration plate to the bulkheads on the fuselage. I find motor mount creation and installation to be difficult and usually not straight forward. I used a saber saw with a fine tooth blade and a drill to cut the motor mount and drill the motor mounting holes
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Old 11-23-2019, 02:31 PM
  #69  
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Default 48" WS 229 Complete

The attached photos show the completed 48" wing span 5EZP Horton 229 . The all up weight of the air frame, motor, servos, esc, battery and receiver is a whopping 23 ounces. I'm paying the weight price for using 1/4" wood dowels for the leading edge reinforcement because I ran out of 5mm carbon fiber rod and also probably putting too much 3mm carbon fiber rod as an A frame in the tail. My Grayson Hobbies Super Mega Jet V2 is also an issue at almost 80 grams. My son and I will test fly the plane as is, but I would like to borrow an idea from an RC Powers forum poster who uses quad motors on prop in the slot park jets. I can shave 2 ounces off the all up flying weight of the HO 229 by switching motors to a RC IN POWER S2306 , 2750 KV motor swinging a 6045 prop. The thrust looks superior to the Grayson Hobby Super Mega Jet V2 on paper. The RC IN POWER 2306 only weighs 30 grams. I'll post photos and video of the maiden flight when my son and I have a chance to try the HO 229 out !

THINGS I WISH I COULD GO BACK AND CHANGE ABOUT THE BUILD:
1. USE 5mm carbon fiber rod for the leading edge reinforcement
2. When you reduce the 5EZP HO 229 plan to 80% , the shown prop slot and motor mount area is too small for a standard 2212-6 size motor and a 6" diameter prop. I wish I would have waited until the plane was complete to cut the motor and prop slot. In that way I would not have wound up with the ugly retrofitted prop slot you see in the final photos. In fact , I would like to try a Flite Test style L shaped motor mount bracket like they use on their FT 22 next time.
3. Bottom Keel Construction - Walmart sells light weight solid blocks of foam in the arts and crafts department. Next time I would try presanding and sahaping one of these store bought blocks of lightweight foam to make the bottom keel in one solid piece. I found it difficult to make the bottom keel without using formers and I'm still not happy with my workmanship.

I would like to thank Mr Daeronort for the awesome plan. My son and I really enjoyed learning some of the Horton Brothers history during the build.
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Old 11-25-2019, 02:17 PM
  #70  
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Default Successful maiden horton 229

My son test flew our 48" wing span Horton 229 this morning for the first time. I recorded the flight with a phone video which I will post later today when I get my son's help. I'm happy to report that the plane flew amazingly well - Much better than I expected. For starters , the launch was reasonably stable. The only trim we had to make was 2 clicks to the right for level flight. The speed and the glide ability of this model are outstanding. At half throttle the plane really gives a good turn of speed and wide open it's a blur. The wing seems to cut threw the air like butter. Be cautious of the glide speed on this plane. In other words , when you cut the throttle , the plane still can fly a long , long way at a really fast turn of speed. We were expecting the HO 229 to fly like the 5EZP PAK BAT FSW (stable but not super agile) boy were we wrong ! The Horton 229 is just about the most agile model I've ever seen in person. Also the vertical performance with the GHSMJ V2 was ballistic ! We are thrilled with the flight performance. My son made the comment , " It's everything a wing should be ."
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Old 11-26-2019, 02:42 AM
  #71  
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Default Video maiden flight ho 229

Originally Posted by ROCKETCHRIS View Post
My son test flew our 48" wing span Horton 229 this morning for the first time. I recorded the flight with a phone video which I will post later today when I get my son's help. I'm happy to report that the plane flew amazingly well - Much better than I expected. For starters , the launch was reasonably stable. The only trim we had to make was 2 clicks to the right for level flight. The speed and the glide ability of this model are outstanding. At half throttle the plane really gives a good turn of speed and wide open it's a blur. The wing seems to cut threw the air like butter. Be cautious of the glide speed on this plane. In other words , when you cut the throttle , the plane still can fly a long , long way at a really fast turn of speed. We were expecting the HO 229 to fly like the 5EZP PAK BAT FSW (stable but not super agile) boy were we wrong ! The Horton 229 is just about the most agile model I've ever seen in person. Also the vertical performance with the GHSMJ V2 was ballistic ! We are thrilled with the flight performance. My son made the comment , " It's everything a wing should be ."
https://drive.google.com/file/d/1A_f...ew?usp=sharing Attached is the maiden flight video of the Horton 229 . The plan CG worked perfect.
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Old 11-26-2019, 09:41 AM
  #72  
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Sounds like a nice flying plane. Video won't load for some reason.
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Old 11-26-2019, 02:23 PM
  #73  
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Hi Don,

I just tried the video link and it worked for me. Maybe you could try again ? It's a really good video of the flight. I've never seen anything that flies like it. It was awesome.
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Old 11-27-2019, 06:32 PM
  #74  
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Congratulations! Movie link works for me.
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Old 11-27-2019, 11:37 PM
  #75  
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Thanks Michael763 ! I can't sing the praises loud enough of Mr. Daeronort's 5EZP Horton 229 .
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