Originally posted by T- Elbert
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Official Freewing MiG-29 Fulcrum Twin 80mm Thread
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Originally posted by Falcondriver View PostI'm sure you've all seen this video as it started the whole issue with the servo rods being placed in the wrong hole (mine were not). If you look at the accident starting around 2:45, that is EXACTLY what my crash looked like:
https://youtu.be/QNALRsoyKaU
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Originally posted by Lcacing View PostHere is an uncut video of yesterday’s 12th flight and first time without armament. My set up.
Tailerons mixed with small amount of ailerons
Statically balances vertical stabs( @1oz of weight on each)
RT5500 45c
CC BEC Pro set at 5.6v
Hitec servos on elevators (HS 5085)
CG @ 15mm behind book CG ( I think could be moved back a few more mm) Elevator trim is about 1mm above bottom of fuse. Rx mounted in center bay
BB moved to rear battery compartment.
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Originally posted by Reaper911 View Post
That's crazy your batteries are about the exact same place mine are yet your elevator is 1-2mm above the fuse edge and I am 3-4mm below. makes no sense. I'm running TP at 800g each and Admiral at 840g each.
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Originally posted by Falcondriver View PostI'm sure you've all seen this video as it started the whole issue with the servo rods being placed in the wrong hole (mine were not). If you look at the accident starting around 2:45, that is EXACTLY what my crash looked like:
https://youtu.be/QNALRsoyKaU
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Originally posted by Lcacing View Post
The RT 5500 45c only weigh 770grams plus I have 2oz of extra weight in the horizontal stabs. That’s why the CG is further back than yours. The further the CG is pushed back, the less up trim required.
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Originally posted by leithalweapon View PostI'm not understanding how mine ended up needing 5-6mm between the LE of the elevator and the fusealge with the cg on the mark and others reporting theirs needed no elevator trim? Unless their is a big fluctuation in weight distrubution from model to model from the factory.
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Originally posted by xviper View PostWhy add weight? Isn't there enough room in the top battery shelf for that battery to move forward enough to not need to add weight? HRB 5000s weigh 796g according to HRB. I fly mine with Gens Ace 5000's that weigh just over 700g and the plane balances just right.
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Originally posted by Falcondriver View Post
Yeah, that was a pretty dramatic crash. My nose attitude was a bit shallower than that, I estimate about 5 degrees or so less than what you see there; but same exact no-frills lawn dart into the ground :-(
Maybe a thicker rod diameter, or carbon-fiber sheath to make sure they keep shape.
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