Official Freewing 90mm F-15C Eagle Thread

[Jet10]

How do you guys store this airplane? I can't come up with a good way to hang it on the wall like I do my other airplanes.

[Jet10]

Ok thanks guys... I'll have to look at the specs more carefully... not what the advertised capacity is.

[gooniac33]

I use the ZTW 10amp and have had no issues. I use them in almost every plane I have...

https://www.motionrc.com/collections/battery-eliminator-circuits/products/ztw-10a-bec-ubec

[Hardway]

Howdy! I always use the CC 20 amp in the 80-90mm jets. It has two power outputs to the reciver, so you have to have enough channels on the receiver to handle that aspect. I usually run the Spektum 8 or 9 channels, so that is not an issue... Works every time!!! :Cool:

https://www.motionrc.com/collections/battery-eliminator-circuits/products/castle-creations-20a-bec-pro

Rated at 13 amps at 6s voltage.

[Alpha]

Hey there Jet10, was your F-15 under warranty? If so, contact MRC's support team at motionrc.com/support and they'll happily take your case through the requisite warranty evaluation procedure.

If your F-15's warranty was expired, your next best option is a UBEC. I've seen the CC 10A BEC used in several Freewing 90mm aircraft, including the F-15. However, for the record I'd be more comfortable recommending the stock 8A UBEC. The headroom is worth the peace of mind. At a minimum, consider the 6A UBEC from ZTW:

https://www.motionrc.com/products/ztw-10a-bec-ubec

[Jet10]

Anyone.....The stock bec failed on my F15. fortunately not in flight!! I purchased the castle creation 10 amp bec. After receiving it I discovered that it is only rated for 5 amps on 6s continuous. Am I safe with this? The stock one is rated at 8 amps but I do not know if that is Peak or continuous.

[Hardway]

Thank you! The standard 6s. Mainly for flight time. My T-45 has the inrunner setup, and it is a battery hog! ;)

[scootergenie]

congrats ! BTW, which version did you get ?

[Hardway]

It is here in North Texas. Arrived in great shape and in a few days. Thanks Motion!

[Hardway]

The Eagle comes in today! :Cool:

[Hardway]

Just placed my order. Looking forward to adding this bird to the fleet!

[Having Fun]

Thanks purduephigam, I have some Roaringtop 70C 5500s I fly in my HSD F-16. I will try those. They are about 4 oz. heavier then the Admiral batteries

[purduephigam]

Got the ARF Plus 90mm F-15 and put the 1680KV setup in it. Setting the CG machine at 118mm with a Motion RC 5000 6s battery she comes up tail heavy. Suggestions on what is being used to balance it out. Thanks!

I'm not sure if you have any juicier batteries, such as the RT 5500 or 6250. I believe this should get you another 1-2.5oz depending on the battery. I haven't flown my high performance version yet, but have also heard it's a pretty forgiving plane in regards to CG.

[Having Fun]

Thanks DCORSAIR! Can't be flying a tail dragger through the air.

[DCORSAIR]

Hey there Having fun,

I bought the high performance version with the 1680kv and mine came with a chunk of lead in the nose cone from the factory, I think the ARF plus kit does not come with this lead weight. I did leave it in and mine balanced out just a little tail heavy still so I moved my fan/motor forward, used two of the stock mounting holes and drilled out two holes for the front mounting screws, I did that for two reasons, it moves the CG more forward and it also helped the wires to be more relaxed on the ESC, I did grind some of the fan shroud too, it was pinching the wires right where they go under the cheater hole cover. Hope this helps and I don't have the weight of the lead I used, sorry, I glued the nose cone on solid because some people were losing it on a rough landing, I haven't had to remove it yet. This jet is forgiving on the CG too, you can be a little back on the CG and it flies fine. I know I'm not much help but thought the pictures might help you understand what I did to mine, you can also see that my fan cover doesn't sit down flush anymore because I moved the fan foward out of the foam ring, it's no big deal, got plenty flights with no issues, keep your timer to no more than 2:30, it loves to eat batteries with this setup but it's way faster over the stock F-15.

I can get you my CG range if you need it?? I use Gensace/Tattu 6S 5000 60C to power mine.

[Having Fun]

Got the ARF Plus 90mm F-15 and put the 1680KV setup in it. Setting the CG machine at 118mm with a Motion RC 5000 6s battery she comes up tail heavy. Suggestions on what is being used to balance it out. Thanks!

[crxmanpat]

Steve, I did the same thing when I replaced my fan with the FMS 90mm unit. It's a sizable chunk of metal, but I was surprised that it was only .7 oz.

[RCjetdude]

My ARF had weight in the nose cone. I installed an 8S fan but had to remove the weight to get it to balance with my two Admiral 4S 5000 Pros

[Jet10]

Okay... I am working on a ARF Model. I'm finding it to be tail heavy. I also built an PNP and it balanced fine with my battery location. this one requires it to be moved forward and I am still not where I should be. I wonder if they add extra weight to the nose cone on the PPN model and put in less on the ARF for the folks using a 8s power??

[purduephigam]

Yes, gear down.