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Depron SlowPoke

Old 01-03-2012, 10:35 PM
  #1  
vuoladodo
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Default Depron SlowPoke

Hello,
About three years ago I built a Slow Poke and documented the build for RCHangout--now defunct. I am now living in Germany and while the kit is available in the US it seems hard to find. Also, in Berlin its not possible to fly Nitro so I decided that I would try to put together the plane in Depron. I am using both 5mm (sold as 6) and 3mms. I am essentially following the plan but reduced by 30%.
Because Depron is a lot lighter than wood, I assume this plane will be a lot less able to handle wind and with the shortened body the elevator will presumably be even twitchier. If you have any experience or recommendations with this, do let me know.
Ok, so here are the first three photos of the fuse (upside down build) with the bottom formers.
Good flyings...
VD
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Old 01-03-2012, 10:41 PM
  #2  
constantCrash
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Some insperation for you:
http://www.rcgroups.com/forums/showthread.php?t=1420943

It came out heavy, with bad balance. Extend the nose a bit and widen the body.
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Old 01-03-2012, 11:34 PM
  #3  
vuoladodo
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Oh man, it looks fantastic, though. I think a plane with the elevator so close to the trailing edge of the wing and such a massive chord probably needs the dihedral angle to add a bit of stability. Unless of course you wanna go GeeBee. But that comes at a price. Usually the pilot's life.
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Old 01-17-2012, 09:30 PM
  #4  
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Default Bottom fuse.

Hey everybody. Here are pictures of the bottom fuse with the detail of the wing saddle. I will be putting in the next few days the doubler for the wing seats on the side walls.

As opposed to the Depron Poke, this one is not made in bluecore but in depron so I think that generally it will be lighter. This plane is normally very pitchy because the elevator is very near the trailing edge of the wing. However, I am not planning to change the length or proportions. We shall see.
VD
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Old 02-13-2012, 07:14 PM
  #5  
southside
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Default design parameters-balsa v. foam

Following balsa plans to build a foamy is not destined for success. That always ends up too heavy and rarely, if ever, gets rigid enough to perform well.
For me, "bent" foam was the answer. It gets extremely rigid and strong, allowing many structural components that are necessary in a wood model to be eliminated.
Judicious use of "strengtheners"(plywood, balsa, bamboo skewers,carbon fiber rods and strips) in particular areas is called for.
Playwith the foam, build a few 'throwaways' and learnhow versatile foam can be.
good flying.
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Old 03-20-2012, 06:36 PM
  #6  
Air-on
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Default Please continue...

South,
Well designed plans take into consideration the building material. Therefore, you are probably right about the weight if you build it without updating the build technique.
I am building in depron "out of nowhere", developing my own solutions, because I could not find any specific depron plans.
Because I feel depron is an excellent building material, I would like to team with people like you to try and develop a multi-purpose, or "general" depron scratch building technique (I dream of electric multi-engines! a DC3 or a C47! Or the "Tante Ju"! ).
I am starting a new build thread: "Depron SB Piper C. Mini FF". Please be on the lookout, and help me there!
Also, don't give up! Keep sharing more of your findings, thoughts, frustrations - and pictures!
Have a great day!
Aharon
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Old 03-21-2012, 01:20 PM
  #7  
Crashalott
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Heya VD, did you ever finish the Slowpoke?
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Old 03-26-2012, 11:26 PM
  #8  
southside
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Default things Iv'e learned about foam building

Originally Posted by Air-on View Post
South,
Well designed plans take into consideration the building material. Therefore, you are probably right about the weight if you build it without updating the build technique.
I am building in depron "out of nowhere", developing my own solutions, because I could not find any specific depron plans.
Because I feel depron is an excellent building material, I would like to team with people like you to try and develop a multi-purpose, or "general" depron scratch building technique (I dream of electric multi-engines! a DC3 or a C47! Or the "Tante Ju"! ).
I am starting a new build thread: "Depron SB Piper C. Mini FF". Please be on the lookout, and help me there!
Also, don't give up! Keep sharing more of your findings, thoughts, frustrations - and pictures!
Have a great day!
Aharon
bentfoam techniques are tricky,but give the most rigidity to a build. Nose to tail former (called thrust plate) is a great place to start a fuselage. stiffenners like bamboo skewers and carbon tube or strips help airframe integrity greatly.
Foamies crash like any other plane, so I have been building with damage control in mind....crumple zones at the nose,integral wing units that break away in a crash...things like that. I use low melt hot glue -foam to foam, and gorilla glue or epoxy, foam to wood. Gorilla glue if i am attaching plastic to foam. For prettier builds use lightweight spackle. Use water base polyurethane and craft paint(acrylic) if you are going to paint your models. dollar stores sell packing tape that is very thin and light, I use it to protect leading edges on the wing and sometimes I cover the whole plane with it(combat wings and things like that). Foam flies great and is a blast to play with.....south
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Old 03-26-2012, 11:50 PM
  #9  
southside
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Default tiny foamy bipe

This has an ax 1806 19 gram motor and three 5 gram servos. flies slow and fast(fast for its size, anyway) motor cowl is made from a glucosamine bottle. wing system was saved from earlier crash....for a small plane it is surprisingly easy to control, if a bit pitchy.
made out of 2mm and 3mm depron.
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Old 04-18-2013, 08:32 PM
  #10  
vuoladodo
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Ok, so the bird is almost done. I am having an ESC problem and need some help.
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Old 04-19-2013, 12:25 AM
  #11  
road king 97
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This plane's plan came from Germany and they have some great plans there.I am signed up in their forums . joe
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Old 04-19-2013, 02:22 AM
  #12  
southside
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Default More biplanes and things

It's been a while since i visited here, I have some photos to share
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Old 04-19-2013, 02:42 AM
  #13  
southside
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Default More biplanes and things

It's been a while since i visited here, I have some photos to share. I have built the swee'P' at 17", 24" and pushed this version out to 29''. Flies like it should....with 54 gram turnigy bell motor at 1200 Kv...1000 mah 3S batt. Aerobatic and beautiful in the air.
The little pitts is great fun and is made of dt foam. 1300 blue wonder w/8x6...800 2s.
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Old 04-19-2013, 12:34 PM
  #14  
vuoladodo
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Originally Posted by road king 97 View Post
This plane's plan came from Germany and they have some great plans there.I am signed up in their forums . joe
This plane is beautiful. WHere did you get the plan? I have an idea for a manta which is a paper glider. But this could be my next project. Those are KF wings, right?
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Old 04-19-2013, 12:40 PM
  #15  
vuoladodo
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Default Here it is

So, this is the almost finished plane. It is missing the pilot which I will get to in the next few days. I will probably maiden it tomorrow. Hey Southside, I would love to get a hold of the plans for the sweetP and the Pitts. How big is the pitts?
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Old 04-19-2013, 12:43 PM
  #16  
vuoladodo
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Hey Joe, what is the name of that plane?
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Old 04-19-2013, 02:41 PM
  #17  
road king 97
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Originally Posted by vuoladodo View Post
Hey Joe, what is the name of that plane?
The name of the plane is the slowly and you can find the plans a video here plus Jurgen and christian from germany dropped in with theirs.http://www.rcgroups.com/forums/showt...0#post22098736 Here is the German thread on it also. joe http://www.rclineforum.de/forum/boar...load/?052484f9

Last edited by road king 97; 04-19-2013 at 03:08 PM.
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Old 04-21-2013, 06:12 PM
  #18  
vuoladodo
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Ok, so I just meidend the plane in quite a bit of wind. I started out a bit tail heavy and quite a bit of purposing. I added a few grams and went back up. It flies like a dream. If flies, actually, just like the original though a lot faster and can be a lot more agressive. Yet, against the wind you can more or less park it in the air. Also, smaller means you need to control your expo or you will have a twitchy plane. Good to warm up the fingers but not necessarily relaxing. Either way... I love this plane.
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