Solved my journey to 3D print a JAS 39 gripen

[Mr Man]

We maidened it today, and it took off!

I got some feedback from the guy flying it; he said it was tail-heavy and underpowered, but other than that, it flew well and somehow survived.


The CG shouldn't be an issue since the battery can easily be moved forward. In terms of power, I'm thinking of getting a 6S battery, since we had to connect two 3S batteries in series to get enough power to barely get it off the ground.

A single 6s will have the same power as two 3s in series...

 

[Mr Man]

We maidened it today, and it took off!

I got some feedback from the guy flying it; he said it was tail-heavy and underpowered, but other than that, it flew well and somehow survived.


The CG shouldn't be an issue since the battery can easily be moved forward. In terms of power, I'm thinking of getting a 6S battery, since we had to connect two 3S batteries in series to get enough power to barely get it off the ground.

Looked like it flew great by the way!

 

[Houndpup Rc]

We maidened it today, and it took off!

I got some feedback from the guy flying it; he said it was tail-heavy and underpowered, but other than that, it flew well and somehow survived.


The CG shouldn't be an issue since the battery can easily be moved forward. In terms of power, I'm thinking of getting a 6S battery, since we had to connect two 3S batteries in series to get enough power to barely get it off the ground.

Wow, did you land it that way on purpose? (It looked really cool!)

 

[NeonGreen]

Wow, did you land it that way on purpose? (It looked really cool!)

I wasn't the one flying so wouldn't know, but i don't think so. The guy flying said it stared to stall so i think it was accidental.

 

[NeonGreen]

A single 6s will have the same power as two 3s in series...

Yeah, but we did a quick job using low-quality cables, so I hope that using a proper 6S battery will give a bit more performance. Also, I've been borrowing the batteries from the guy who's been flying, so I'm going to have to get my own soon enough.

 

[Mr Man]

Okay! Should work well! Looked like it didn’t want to stop till he put it into high alpha, nice!

 

[telnar1236]

Congratulations! Looked like it flew well. Get the CG a bit forwards and you will be golden. In terms of power, it's always hard to tell from a video, but it looked like it was cruising along well and the takeoff run seemed reasonable