Mikey's FPV v3 Scratch Build

Foam Addict

Squirrel member
You can never have to much depron...:D
That will leave enough to correct any mistakes that inevitably happen. Or if they don't there are lots of other designs you could try with the left overs.
 

vanstrien

Junior Member
Just to make sure i have everything...
I need:
-3 Sheets of 1250mmx800mmx6mm Depron
-2 Servos
-1 Motor
-1 ESC
- Linkage Stopper
- Lipo
-Props
-Motor Mount
Is that everything I need I am just a bit unsure and don't want to forget sth if I order it from the International Warehouse...
What size of Stick do I need for the Wings?
:confused:

Lonker - In terms of things you would order, yes, that looks right. It omits the rudder servo, but theoretically you don't need that. I found that my rudder works better for me though for turning than not using it. It also assumes you have a transmitter and receiver, glue, tape, skewers and landing skids (if you want them).
 

vanstrien

Junior Member
Balancing the model

I'm quite impressed how I've taken a not-so-pretty plane and made it even a bit uglier.

Ugly 1.jpg
Ugly 2.jpg

Nonetheless this flies really well - nice and slow so a good learning plane.

However I've had troubles where it dips and dives from time to time. I also crashed during launch once and had to replace the whole nose. I think it may point down a little now as my vertical controls are crazy.

Any suggestions on how to balance a scratch build plane?
 

iCrash

Member
I tried to launch mine for the first time about 2 weeks ago. It went straight down like a rock. I think the CG is all wrong. I set it exactly as the directions say, however I think that is wrong, at least for my plane. I'm lucky it didn't break too much foam. It will be an easy fix. I'll try again in a few weeks when/if we get some nice weather here in MI.
 

Foam Addict

Squirrel member
Edit: err, I see you have a wing in your avatar.:black_eyed: In that case, check your thrust angle, if it's off that could be your problem. This also needs reflex, but I'm sure know to check that
 
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germaneer

Junior Member
So I started building this plane. I ordered some parts from hk so I can finish this. What do you think guys? Its my first plane that I built. Will it fly? :D 10914863_1548880598730714_4363736174487403002_o.jpg

Now it weights 300g without the camera
 

orion3399

Junior Member
power packs

I have a question that i hope has not already been answered, will any of the Flite test power packs work for this plane?
Im new at rc and looking for any help, I would really appreciate it! Thank you, Donovan
 

Foam Addict

Squirrel member
Hey, welcome to the forum!
I built the Fpv v3 a long time ago, so I don't remember the size of the prop slot. If it can handle a 9 inch prop, power pack c with a 9x6 e (not slowfly) prop should work nicely.
 

RAM

Posted a thousand or more times
My son and I built this plane. After a few short flights and minor crashes, I got the hang of it and it flies really well now. Here is a youtube video of a short flight yesterday.

https://www.youtube.com/watch?v=tsx3VvP2_d8

nice looking build, it's a very forgiving plane in a crash and the slow speed flying makes it easy to learn. you didn't list any details in your video, what did you use for motor/prop etc?
 

97tj-neil

Member
Thanks, RAM. I added comments to the video on YouTube, but they are not showing for some reason. Here is what I used.

Suppo 2810/12 1000 kv motor
Suppo 40A ESC
APC 10x4.7 slow fly pusher prop
OrangeRx R615X 6ch DSMX receiver
Turnigy 2200 mAh 20C 3S LiPo
TowerPro SG90 9g mini micro servos

I also added some 2" lightweight foam wheels and a tail skid so I could take off instead of hand launching.

I have only used the rudder while taxiing, as this plane is very responsive to bank & yank flying.
 
G'day, all...

I've just started building this plane and in the middle of my own prop slot forward/rearward debate. Can anyone speculate why the Josh decided to move the engine mount and prop further to the rear?

Also, there's a lot of discussion about the best way of routing of the elevon servo wires around the prop slot for mounting the servos on the top wing. Is there any reason why the servos couldn't be mounted on the bottom wing, instead? Seems like that would simplify routing of the servo wires, especially if they're run under the layer of foam over the spar as it is being built.
 

RAM

Posted a thousand or more times
G'day, all...

I've just started building this plane and in the middle of my own prop slot forward/rearward debate. Can anyone speculate why the Josh decided to move the engine mount and prop further to the rear?

Also, there's a lot of discussion about the best way of routing of the elevon servo wires around the prop slot for mounting the servos on the top wing. Is there any reason why the servos couldn't be mounted on the bottom wing, instead? Seems like that would simplify routing of the servo wires, especially if they're run under the layer of foam over the spar as it is being built.

It was something Mikey changed due to people having difficulty on launch. If you didn't launch just right, the plane would nose dive. He moved the engine mount further back but never changed the original plans. You can build it original but be aware of the possible dive on launch. He has a video on his website explaining the changes. https://youtu.be/xI8xvAToCvk?t=148

If you do move the motor mount back you will have to redesign the rudder like flitetest did.
 
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Corbarrad

Active member
So the above pic is the shopping cart of the items in the post I quoted from martinlmtl but with the motor mount and its showing another 714 grams :) that's on top of my already 797 grams.

Hobbyking's Shopping cart doesn't show the net weight of the articles, but some arbitrary "shipping weight", so you can't really go off of that. The actual weight of your equipment will be a lot lower, though there's no way to tell just how much.