I balance gear down. I want the aircraft balanced for slow flight and landings. The main gear do not change the balance much since they are near cg. Nose wheel could cause some cg change all be it minimal unless it is extended long and heavy.
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Official Freewing 90mm F-4 Phantom II Thread
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I finally got around to my maiden lol. I used a 838gram Turnigy Heavy Duty 5000 60 all the forward to the bottom of the hatch. I did the 8mm on the elevator but ended up with 11mm. The flap mix was a wash so I came in hot and sheared the front gear pin. Pretty brittle I’d say... metal looked contaminated to me. Nice flyer!
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Reminds me of the A-10 pinCurrently flying: Twin 80mm A-10, 80mm F5, 80mm A6, 70mm Yak-130, 70mm F-16v2,90mm Stinger 90, 70mmRC Lander F9F, Flightline F7F TigerCat, Phoenix 46 size Tucano, Flyzone L-39
Out of Service: 80mm Mig-21,64mm F-35, 64mm F/A-18
I Want: 80mm A-4, twin 80mm F4J Phantom
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Originally posted by dahawk View PostWondering if anyone else had successfully tried a 6S 12b setup or am I the lone wolf?
I can see with the bifuricated ducting, there was a darn good reason Alpha/ FW chose the 9 blade 1750.
The FMS 90 12B is 1900kv so it’s spinning faster and the blades are at a slightly different pitch than FW. Produces about the same watts as the FW but not sure about thrust which is more important .
I have the FW/ Hobbywing 130 amp esc on order. At least I have a programming card. Will set timing to high. Will try that before moving on to Plan B- the stock FW 9B. 1750kv setup.
Meanwhile, back to gluing....
There is no problem with the ducting. The FMS fan is PERFECT for this jet. It had to be either the battery or the ESC.
On my YEP150, if you go and recalibrate throttle, then you have to re-program the esc with the card. Otherwise it goes to default settings which are for helicopters.
Yours might have done the same. That would have led to an "add to cart" scenario for sure.
But my guess is that a 130A esc is not enough.Meridian Aeromodelers, Meridian MS
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I just added some AIM-7 Sparrow missiles I had made up by Chris Wolf, the RC Geek. He did an excellent job making the parts on a 3D printer. I glued and painted them up, attached them with strong magnets and Hysol glue for the magnets. Each missile weighs 1/2 oz each, so they're pretty light. Might try to do a test flight with two of them later if the rain quits!3 Photos
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rain quit, got to fly the F-4 with the new Sparrows on it as well as the other stuff. No real change in speed or controllability that I could tell, flew great, as usual. Flew just the one flight as it was a bit choppy air and got windy. I don't see any issue flying with these in the future.
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Originally posted by Rod_E View PostHi guys, first time post, maiden my F4 and nose gear pin sheared. Bummer.
I don't think it was a hard landing
Ordered a couple of spares and new gear door from Motion RC, looking forward to flying it again.
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Originally posted by Rod_E View PostHi guys, first time post, maiden my F4 and nose gear pin sheared. Bummer.
I don't think it was a hard landing
Ordered a couple of spares and new gear door from Motion RC, looking forward to flying it again.
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Anyone having this issue should open a ticket with CS so Motion will have numbers on it, if it doesn't get logged they won't realize it's an issue.
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