Thanks for the responses guys, I absolutely hate programming ESC's but let me see if I have a hobbywing esc programming card around here. PaulZ, why do you advise medium timing? In other words what are the negative effects of using high or low timing. My programming of ESC's usually consists of setting the throttle limits on initial start up lol.
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Originally posted by PaulZ View Post
The extra lead is for attaching the Hobbywing programming card to change ESC settings. I would advice to check these settings before you fly as you don't know what they are set to in the factory. Most important is timing, these motors work best with "medium" timing setting. The rpm of the motors change with with different timing. I am curious how the model will perform with 8s? I found that the 1835kv 6s setup was the best compromise between weight and thrust.
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Originally posted by Phantom View PostI'm thinking
brake-off
Batt type-Li-xx, (obviously)
cut off type-soft cut
cut off voltage-low
start mode-normal
timing-middle, (per your suggestion)
Music - don't care
Reserved item- have no idea what this is it has an option 1 and option 2
Your input is appreciated
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Originally posted by Phantom View Post
Ok so apparently in my passion for re-powering this bird I purchased an 8s 90mm from MRC. As it is the first one to arrive it gets first dibs. It's the 90mm, 12 blade, 4075-1390kv inrunner I believe it's the same one out of the 8s YAK-130. My question is what it's the second servo connector coming off the hobbywing ESC for? The short one?Current Hanger: FW, F4.F22,F14, Byron T-6, Top Flite P-47, Top Flite P-40, Top RC P-51 H9 P-51, SebArt Avanti, Yellow aircraft Spitfire, T Jeti Extreme Flight EDGE, DS-24 Carbon,
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Originally posted by PaulZ View Post
That looks like the right settings. I confess I am not an expert on timing settings but I noticed that all the Freewing PNP models come setup on medium which is actually "auto" where the ESC figures out best timing for the motor. I had a friend set timing to high once on a 90mm jet to test and yes the thrust was a bit higher but it drained his battery so fast he LVC'd in the air and had to land after just a 2min flight. Maybe someone here can explain the timing issue better?
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Update the 8s power setup was a winner. True vertical, 45 to 75 degree banking turns at half throttle, straight and level flight at about 30 percent throttle.
While installing this setup I noticed that the interior of the foam thrust tube has a 2 or 3 cm narrower than the exit of the 90mm fan shroud so I did a bit of carving to smooth out the exit.
There was no way to put greater than 3300mah worth of fuel on board and keep CG, without doing some more carving. I carved the fuselage walls, the top hatch, and relocated the hatch and fuselage magnets. That allowed up to 6,000mah of 8s to be installed although I only flew with 5,000mah on board.
First flight was amazing, I flew with two 4s 5,000mah 70C from CHNL. I was a little nose heavy as I chose to be conservative on the CG, that was a mistake especially with the flaps causing the nose to drop even more. Zeroed the flaps and with full up elevons and a little extra speed she landed no problems.
Decided to do a little plug and play/programming at the airfield. Change from elevons and flaps to elevator and flaperons. Went back up with a pair of CNHL Black 4s, 5,000mah 65C batteries. I preferred this set up for the majority of the flight profile, however I flaps and elevons control is much better for a landing profile. My old JR 10S radio can't be set up for both, atleast not that I have figured out. So take two will be switching to the FrSky Taranis hopefully I can program what I want for flight modes.
So I'm on the downwind I select gear down they stopped about 3/4 of the way down, so I decided to do a low pass, the plan was to recycle the gear and hope for the best. So I turned base....
Only she didn't turn base, she kept going straight on a gentle decent bleeding airspeed, I tried to power up and nothing, there were 2 nitro planes flying so I couldn't hear the whine/whoosh of the spool up. It was about that time when the stall happened and she became the prettiest lawn dart you ever did see...
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Originally posted by Phantom View PostUpdate the 8s power setup was a winner. True vertical, 45 to 75 degree banking turns at half throttle, straight and level flight at about 30 percent throttle.
While installing this setup I noticed that the interior of the foam thrust tube has a 2 or 3 cm narrower than the exit of the 90mm fan shroud so I did a bit of carving to smooth out the exit.
There was no way to put greater than 3300mah worth of fuel on board and keep CG, without doing some more carving. I carved the fuselage walls, the top hatch, and relocated the hatch and fuselage magnets. That allowed up to 6,000mah of 8s to be installed although I only flew with 5,000mah on board.
First flight was amazing, I flew with two 4s 5,000mah 70C from CHNL. I was a little nose heavy as I chose to be conservative on the CG, that was a mistake especially with the flaps causing the nose to drop even more. Zeroed the flaps and with full up elevons and a little extra speed she landed no problems.
Decided to do a little plug and play/programming at the airfield. Change from elevons and flaps to elevator and flaperons. Went back up with a pair of CNHL Black 4s, 5,000mah 65C batteries. I preferred this set up for the majority of the flight profile, however I flaps and elevons control is much better for a landing profile. My old JR 10S radio can't be set up for both, atleast not that I have figured out. So take two will be switching to the FrSky Taranis hopefully I can program what I want for flight modes.
So I'm on the downwind I select gear down they stopped about 3/4 of the way down, so I decided to do a low pass, the plan was to recycle the gear and hope for the best. So I turned base....
Only she didn't turn base, she kept going straight on a gentle decent bleeding airspeed, I tried to power up and nothing, there were 2 nitro planes flying so I couldn't hear the whine/whoosh of the spool up. It was about that time when the stall happened and she became the prettiest lawn dart you ever did see...
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Originally posted by PaulZ View Post
Wow! So sorry to see this Phantom...
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Sorry to hear that but awesome attitude!My YouTube RC videos:
https://www.youtube.com/@toddbreda
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Originally posted by Phantom View PostIncreasing the battery position options and adding additional straps and the tray from the wrecked fuselage...Hugh "Wildman" Wiedman
Hangar: FL/FW: Mig 29 "Cobra", A-10 Arctic, F18 Canadian & Tiger Meet, F16 Wild Weasel, F4 Phantom & Blue Angel, 1600 Corsair & Spitfire, Olive B-24, Stinger 90, Red Avanti. Extreme Flight-FW-190 Red Tulip, Slick 60, 60" Extra 300 V2, 62" MXS Heavy Metal, MXS Green, & Demonstrator. FMS-1700mm P-51, Red Bull Corsair. E-Flite-70mm twin SU-30, Beast Bi-Plane 60", P2 Bi-Plane, P-51.
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