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Official Freewing F/A-18C Hornet 90mm EDF Thread
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Thanks everyone for the info. Got the jet today and intend to maiden at a field. I did measure the static thrust at right around 7lbs. Does anyone know what the static thrust of the 1835kv motor is? If you have one- would you mind measuring? Thanks
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Originally posted by Aros View PostAdded polyurethane gloss coats to Lucky #7 last weekend...I was really impressed with how smooth it dries! (I've noticed photos don't do these gloss coats justice). Unfortunately this latest ARF+ had a little bit more gatoring than my others so it did highlight those areas a bit but not too bad at all.
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Originally posted by Modelhead View PostHere is the approach and landing. It was longer than typical.. There’s another additional 50 feet beyond where she stopped before hitting a rock wall. There are no go arounds. Thoughts on landing the F18 here please. Thanks!
The F-18 has a speed at which it, before it stalls on you with the nose/wings level, it approaches the glide ratio of a brick. If you ride the edge while adding just enough power not break something in the flare, you could land in that space as the roll out will be minimal on grass.
I wouldn't try it until I was very comfortable with the jet, personally.
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Originally posted by Aros View PostAdded polyurethane gloss coats to Lucky #7 last weekend...I was really impressed with how smooth it dries! (I've noticed photos don't do these gloss coats justice). Unfortunately this latest ARF+ had a little bit more gatoring than my others so it did highlight those areas a bit but not too bad at all.
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Jandro, what CG are you using, is it the same as the manual? I just did mine on my Xicoy CG computer and my battery wasn’t pushes back that far.
Do I need to set the CG further to the rear?
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Originally posted by Polyphren View Post@Airguardian:
Wow . I took the position of the blue-box as god given. My battery is still below the cockpit. I have to try, how I can replace the blue-box.
How did. you achieve to work in this narrow space?
Once all the wires are properly routed, you screw the tray back in! :)
Here are some pics of this:
Some more pics of how the battery totally disappears in the fuselage with my current CG:
And totally unrelated, but here is my antenna placement... inside the nose gear compartment!
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Originally posted by Aros View Post
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Originally posted by Aros View PostAdded polyurethane gloss coats to Lucky #7 last weekend...I was really impressed with how smooth it dries! (I've noticed photos don't do these gloss coats justice). Unfortunately this latest ARF+ had a little bit more gatoring than my others so it did highlight those areas a bit but not too bad at all.
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@Airguardian:
Wow . I took the position of the blue-box as god given. My battery is still below the cockpit. I have to try, how I can replace the blue-box.
How did. you achieve to work in this narrow space?
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Added polyurethane gloss coats to Lucky #7 last weekend...I was really impressed with how smooth it dries! (I've noticed photos don't do these gloss coats justice). Unfortunately this latest ARF+ had a little bit more gatoring than my others so it did highlight those areas a bit but not too bad at all.
3 Photos
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Originally posted by Modelhead View PostHere is the approach and landing. It was longer than typical.. There’s another additional 50 feet beyond where she stopped before hitting a rock wall. There are no go arounds. Thoughts on landing the F18 here please. Thanks!
I mean, first of all, I take my hat off, that landing was amazing!
This said, I don't think you will land the Hornet there.
I don't imply that you aren't perfectly capable of the feat, just that it looks like a terrible idea as it's very difficult that you nail it everytime and this jet is super-picky and tricky.
It stalls badly and suddenly, it doesn't tolerate high alpha and it doesn't like to fly slow. If at least you had space for a go around... but you have a tree in the way!
Originally posted by Polyphren View Postmy plane is nearly ready for the first take-off. I applied redundancy for the power supply. The electronics and the second battery are mounted on a board to bring them as close as possible towards the COG. However it‘s still difficult to achieve the COG Airguardien recommended.
Still, have you already pushed the battery as far aft as possible?
I mean, burying the blue-box and clearing the battery compartment allows for a very-rearward placement of the batt:
Here are a few pics of mine (and here the battery wasn't even pushed full-aft!).
You can use elastic foam pieces to limit how aft the battery sits (I ended up taking them all out but the option is there to make battery placement extra easy), and you can use a foam wedge to lock the battery in place. If you use velcro on the battery tray + the foam wedge, you don't even need to use a strap, battery won't go anywhere :)
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Originally posted by Polyphren View Post...my plane is nearly ready for the first take-off....
I'm just getting my F-18 ready now, first flight in a couple of weeks so not in a position to help.
I have fitted an Eagle A3 Super 3 gyro.
Andy
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Hi together,
my plane is nearly ready for the first take-off. I applied redundancy for the power supply. The electronics and the second battery are mounted on a board to bring them as close as possible towards the COG. However it‘s still difficult to achieve the COG Airguardien recommended.
since I‘ve no afterburner flashlight, I‘m thinking about calibration weights inside the fans. 2 stripes in longitudinal direction or some weights less in orthogonal direction help a lot.
what do you think? Is it a good or bad idea?
Best,
Eric
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Originally posted by JLambCWU View PostSpeed DEMON
F-18 with the 90mm 1835 inrunner on a Roaring Top 70C 5500 🔥 142mph over the ground 😎😎
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Congratulations on your article Hugh Wiedman one for a frame on the wall of the workshop!
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