*Unofficial* FT Simple Cub

Del-Dredd

New member
Thanks for the reply.

Unfortunately, I'm in Canada and things take a while to arrive. I have a 1804 kicking around as I was just about to make a tiny trainer, then I saw this!

I do have some motors that would fit the bill - but my batteries are all 800Mah 2 cells or 2600mah 3 cells. Would the 3 cell option be too heavy for this? I'm wondering if it would screw the COG up too much.

2 cell would do fine on a 1400 to 1500 KV with a 8X4.5, I fly My Gamma with a 2822 1450Kv on 2 cells with a 8X4.5, Similar size and Weight to the Cub. Usually use 950mAh battery but flies ok with 800's as well.
 

Maxstudio

New member
I'm curious (still new to a lot of it) I'm waiting to hear back from support on a purchase question, but mean time i'm wondering, i have a handful of 800 mah 3s 20c batteries (I believe), that i fly all my piet's,SAe5 and DR1 with, would they be to under powered for the B power pack set up?

Can't wait to build one , have to start planning some cool details, lol
 

JUSS10

I like Biplanes
I'm curious (still new to a lot of it) I'm waiting to hear back from support on a purchase question, but mean time i'm wondering, i have a handful of 800 mah 3s 20c batteries (I believe), that i fly all my piet's,SAe5 and DR1 with, would they be to under powered for the B power pack set up?

Can't wait to build one , have to start planning some cool details, lol

Just for reference, I run 3s 1000 20c batteries with most of my FT planes that are around the 3ft range. I haven't had any issues. The big thing is the battery is needed to help set the CG of the plane, an 800mah may not be large enough for that?

I plan to maiden mine tonight and will be using a 3s 1000 and the turnigy 24g 1200kv motor that used to be popular. I'll report back if that is enough power.
 

Maxstudio

New member
Just for reference, I run 3s 1000 20c batteries with most of my FT planes that are around the 3ft range. I haven't had any issues. The big thing is the battery is needed to help set the CG of the plane, an 800mah may not be large enough for that?

I plan to maiden mine tonight and will be using a 3s 1000 and the turnigy 24g 1200kv motor that used to be popular. I'll report back if that is enough power.

Oh, by the time i get done with fancy paint, scale mods and FPV camera's.....CG with a smaller battery won't be a problem! LOL CG on any of my plane builds is extra nose weight. I'm more worried about flaming battery, CG i can deal with.
 

Hai-Lee

Old and Bold RC PILOT
Generally speaking if you can get the plane to balance and the maximum current draw from the battery does not exceed its "C" rating then it should be fine!

A smaller battery running close to its maximum "C" might sag considerably in it terminal voltage when it ages a bit and thereby cause extremely short flights, or flights without the use of maximum throttle.

I do enjoy long flights and much airborne HiJinks, so I do normally fit larger batteries unless weight is an extreme consideration, (3D, Unlimited Vertical, High speed, Etc).

Just a note of warning though, Bigger batteries can make what would be a divot from a crash into a crater:black_eyed:

Have fun!
 

jhitesma

Some guy in the desert
Mentor
Are the window and lightning bolt not included in the plans or am I just not seeing them?

Just checking before I try to draw them myself :)
 

tigert10

Member
Has anyone tried this design with a 3s 2200? I have a ton of them laying around I would love to use them with this design and an old 2216 935kv motors and 10x4.5 props from an old multirotor. What do you think? Mods required?
 

JUSS10

I like Biplanes
Had the maiden flight of mine last night. I only had it setup for 3ch and my motor is probably a little under powered but wow, what an awesome plane! Bixler nailed this one. I was actually able to just set the throttle and fly with my right hand while filming a minute of video with my left. Take of and landings on a ball diamond were perfect. Just an all around awesome plane and the perfect trainer for someone just starting out. I would say much better than the tiny trainer.

Got the wing setup with ailerons last night. I used two separate channels so I could make them flaperons if I wanted.

Was able to meet up with another flitetest fan and he flew it as well. We got talking about tweaking the wing to be completely flat and have dedicated flaps and ailerons. I drew it up in cad and plan to cut it out on the laser today.

Hope to get a few more flights in tonight as a 4ch plane.

Justin
 

mikeporterinmd

Still Learning
Is everyone mounting the ESC on the bottom of the powerpod like shown in the video? There is enough foam on the bottom then to attach the battery? Just simple velcro? I have a bunch of 1300 Luminer batteries for my quad. They are going to be slightly heavier than the 1000 Josh mentioned, but I suspect they'll be fine. Thoughts?

Also, 9 gram or 5 gram servos?

I def. plan to add ailerons. Been wanting a four channel trainer with flaperons for a while now. Just for fun... see what happens. I have the speed build kit, so I assume it will be relatively easy to figure this out if the advanced video does not come out before I get to that point in the build. Anyone done this?

Thanks,

Mike
 

Enos Shenk

New member
Iw7LvnDh.jpg

Tubby Cubby! I still need to do the N number lettering on the top of the wing. Freehanded the lightning bolt with a felt tip pen and sharpie.

I did some neat nose lettering saying "Tubby Cubby" on the front, because as we all know that's the real name, but the felt tip ink smeared. Hence the smudge and FT sticker. I think I'll redo it with different ink on the other side, and leave the FT sticker for nose art.

A bit too windy to fly today, which is a shame.
 

Ross

Member
Looks great Enos! I received my Power pack B today and will begin to build shortly. Really looking forward to this plane.
 

Enos Shenk

New member
The wind did calm down so I got a chance to take her up on a maiden. It practically leaps off the ground, but mine had a pretty nasty right roll. I spent some time dialing the ailerons in and by the end of a battery had it flying like a dream. Looped it a few times easily, but rolls were tricky. It feels like the low throw on the ailerons might be a bit too low, I'll tinker around with increasing the deflection next time I take it out.
 

Del-Dredd

New member
Enos - that's more up movement than down on the ailerons in case you did not know.

Easy to add just by having the Servo horn angled forward (75 degrees ish or less) at neutral instead of 90 degrees to servo body.
 

magic_marty

New member
Could somebody please explain the difference between the plans? I see two different tiled versions...Tiled A-size and Tiled B-size never noticed this before when downloading other plans..
Thanks all..
 

Michael9865

Elite member
Could somebody please explain the difference between the plans? I see two different tiled versions...Tiled A-size and Tiled B-size never noticed this before when downloading other plans..
Thanks all..

Per Sponz; "A-Size = 8 1/2 x 11 (US letter, standard size paper)

B-Size = 11 x 17 (US Ledger, requires a larder printer)"
 

basslord1124

Master member
This will be a later build for me...maybe over the fall/winter months. I'm just not sure if I'd want to scratch build or get the kit.
 

Hai-Lee

Old and Bold RC PILOT
This will be a later build for me...maybe over the fall/winter months. I'm just not sure if I'd want to scratch build or get the kit.

If I resided in the US and with the knowledge that for a lot of users they end up building 3 copies of most designs they choose to fly, I would proceed the following way.

Buy a kit from the FT Store as well as a number of FB sheets. I would firstly use the kit as a template and make my first one from the templates. I would also make a second set of templates using the FT kit as a template.

There are my three planes! I would build the first plane from the pieces I cut out using the kit as a template. Doing this I would make mistakes on something which possibly has a few cutting errors and other issues but it cost a few dollars only.

It is this scratch built version I would maiden and learn to fly the plane and trim it on. Chances I would make a number of errors and have a few crashes before I got used to it.

Whilst I am learning to fly, (and crash), the new model, (my scratch version), I would very slowly and carefully complete the build of the FT Kit version and decorate it as I want it to be finally. If I need to replace parts or the complete aircraft because I have damaged the original build I would use the new templates to cut out and build replacement parts to keep the original build flying! When the Kit build is finished i would have 2 models. One for flying on the days when really even the birds don't fly much, and the other for those beautiful bright calm and sunny days that arrive from time to time.

Using such an approach I would not need to struggle with plans, the problem of stuffing the build of the Kit, not having any ability to cut out new pieces as required, and not ever flying the model I know it could have been had I not rushed things a little.

So to answer your dilemma do both!

Have fun!
 

rockyboy

Skill Collector
Mentor
As someone lucky enough to live in shipping distance for FT kits, this is exactly the approach I (aspire to) take. :)