THE PLAN (sounds dangerous right? prob is..)

OK so after som research and lots of help from forum members, i have decided what to do with my left over sets of electronics.
They are too big to go on the tiny trainer, but will fit nicely on a big motor glider like the simple soarer. I will keep crashing my Tiny trainer while upgrading it, and at the same time starting a build on a heavily modified simple soarer.
>> This simple soarer will be modded towards the direction of a big trainer NOT a motor glider.<<
1) I am adding ailerons since I want it to be a trainer like plane.
2) I will simplify the wings so only the dihedral at the wing joint stays, to make scratch building easier (also squaring off the tips and most other curves in this build)
3) I will also simplify the tail so the surfaces dont intersect which therefore requires less precision in cutting the pieces.
4) looking to place the tail servos outside and by the tail to help with cg (BIG motor prob) and to ease maintenance ( also to give space for a gyro under the wings)
5) Trying to mod the front of the fuselage so it either becomes a one piece or the power pod fits better.

it is unlikely that i will release accurate to scale plans but i will try to on CAD for the fuse and tail mods.

These are the electronics i will most likley to be using
- 2212 1400 kv motor (SLOW PLANE WOOHOO)
- 850 mah 3s battery
-14g servos (Thats right these are metallic gear ones because why not..)
-20A or 30A ESC (depends on power drain and output during motor testing)
-8 in prop or 8 in foldable prop

Yeah thats pretty much it just seeking any advice on some bad choisce or anything. What do u guys think?
 
oh yes and i forgot to add im using some weak depron like material that needs tape covering for the fuselage, wing outer surfaces and tail but still thinking about using bbq skewers and pop sticks for reinforcement of wings..
yeah bcs dihedral prevents me from shoving a big long carbon rod up the wing lol.
 

Piotrsko

Legendary member
oh yes and i forgot to add im using some weak depron like material that needs tape covering for the fuselage, wing outer surfaces and tail but still thinking about using bbq skewers and pop sticks for reinforcement of wings..
yeah bcs dihedral prevents me from shoving a big long carbon rod up the wing lol.
No it doesnt, use hollow carbon rod/tube and either use a piece of brass tube on the outside or steel music wire on the inside or both. Bend gently , the brass will fracture if overbent and the music wire will end up large radius and not fit
 
No it doesnt, use hollow carbon rod/tube and either use a piece of brass tube on the outside or steel music wire on the inside or both. Bend gently , the brass will fracture if overbent and the music wire will end up large radius and not fit
sounds confusing as I only have a hollow 80cm carbon rod and a few 80cm normal rods. how should i fit it in the wing without actually bending it? or is it not possible and i just have to glue it in place bent?
 

Piotrsko

Legendary member
Well firstly, dihederal is kinda optional for rudder control. Yes it will skid before it turns, but with ailerons it is not necessary. You dont bend the rod, that part goes in the wing flat. You add something kinda springy where the two wings join together and that forms the bend. 80 cm rod is a good size for putting between two sheets to use as a airfoil former, about 1/3 way back from the leading edge. Glue or tape the front and back edges together, and waller: instant airfoil, no ribs required. Suggest looking at simple soarer plans downloaded while also reading the full instruction pack on how to build it
 
Well firstly, dihederal is kinda optional for rudder control. Yes it will skid before it turns, but with ailerons it is not necessary. You dont bend the rod, that part goes in the wing flat. You add something kinda springy where the two wings join together and that forms the bend. 80 cm rod is a good size for putting between two sheets to use as a airfoil former, about 1/3 way back from the leading edge. Glue or tape the front and back edges together, and waller: instant airfoil, no ribs required. Suggest looking at simple soarer plans downloaded while also reading the full instruction pack on how to build it
thanks! but its just the fear from flying a tiny trainer that got the diherdral removed...not pleasant plane
 
OK so after som research and lots of help from forum members, i have decided what to do with my left over sets of electronics.
They are too big to go on the tiny trainer, but will fit nicely on a big motor glider like the simple soarer. I will keep crashing my Tiny trainer while upgrading it, and at the same time starting a build on a heavily modified simple soarer.
>> This simple soarer will be modded towards the direction of a big trainer NOT a motor glider.<<
1) I am adding ailerons since I want it to be a trainer like plane.
2) I will simplify the wings so only the dihedral at the wing joint stays, to make scratch building easier (also squaring off the tips and most other curves in this build)
3) I will also simplify the tail so the surfaces dont intersect which therefore requires less precision in cutting the pieces.
4) looking to place the tail servos outside and by the tail to help with cg (BIG motor prob) and to ease maintenance ( also to give space for a gyro under the wings)
5) Trying to mod the front of the fuselage so it either becomes a one piece or the power pod fits better.

it is unlikely that i will release accurate to scale plans but i will try to on CAD for the fuse and tail mods.

These are the electronics i will most likley to be using
- 2212 1400 kv motor (SLOW PLANE WOOHOO)
- 850 mah 3s battery
-14g servos (Thats right these are metallic gear ones because why not..)
-20A or 30A ESC (depends on power drain and output during motor testing)
-8 in prop or 8 in foldable prop

Yeah thats pretty much it just seeking any advice on some bad choisce or anything. What do u guys think?
guys i just realized the simple stick isn't that far off from my bigger plane that i used to fly. Does it fit a 2200 mah 3s ? the main thing will be launching it by hand as I dont have landing gear. Are there any alternative take off / landing methods that can be built with BBQ skewers and foam?
 

Mr Man

Mr SPEED!
The Simple stick will work with a 2200 for sure, it could even go a bit bigger if need be 👍
 
The Simple stick will work with a 2200 for sure, it could even go a bit bigger if need be 👍
thanks! but yeah i kinda give up for now i should just go back to my original bigger plane as it was prob a skill issue and come back to this later.

EDIT: it is a very simple looking trainer plane with a 1 meter wingspan and very typical B or C pack tolerance and battery from 1300 mah to 2200 mah. VERY easy to fly so thats why im going back to it. I will release the majority of the dimensions for a quick scratch build and later release a traceover CAD plan.
 
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