Yep, I forgot to mention I fly off fabric runway.
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Official FlightLine RC 1600mm Spitfire Mk. IX Thread
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Anyone finding the need to add some weight to the nose to hit their CG? I am setting up with an Admiral 4500 and had to add 2oz to nose under battery tray to get the 90mm spot-on, as measured and pivot pointed upside-down with gear extended...and it still seems just a smidge aft of 90mm, (With the 4500 LiPo). I try to avoid adding 'dead-weight' to my birds if possible but this one seems to need it with my batt. I have on hand.
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Originally posted by shocktrooper View PostAnyone finding the need to add some weight to the nose to hit their CG? I am setting up with an Admiral 4500 and had to add 2oz to nose under battery tray to get the 90mm spot-on, as measured and pivot pointed upside-down with gear extended...and it still seems just a smidge aft of 90mm, (With the 4500 LiPo). I try to avoid adding 'dead-weight' to my birds if possible but this one seems to need it with my batt. I have on hand.
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Originally posted by shocktrooper View PostThx radfordc! Do you mean less elevator throw for any and all set ups on this bird, or just with the 100mm cg? BTW..what brand and rating batt. are you using?
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I just finished my Flightline 1600mm Mk IX Spitfire after adding some special markings from Callie Graphics. I decided to go with a unique markings scheme to honor Witold "Lanny" Lanowski, a Polish pilot and ace while he was "A" Flight Commander of 302 Sqn. in England during WWII. Lanny eventually moved over to the USAAF 56th FG and flew P-47s with them until the end of the war. Lanny's son Krys lives in England, and I thought this would be a nice tribute to his dad.
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Thanks, I like highlighting the stories of groups and pilots that might not be well known to many about their important contributions to victory in WWII. These were some very tough fighter pilots! One of them, Mike Gladych, who was able to escape Poland even as his family was murdered by the Nazis, flew with the RAF and then the USAAF with the 56th Fighter Group flying P-47s. Mike would not claim a "kill" unless he was certain he had actually killed the German pilot he was flying against, I am told.
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Originally posted by shocktrooper View PostThx radfordc! Do you mean less elevator throw for any and all set ups on this bird, or just with the 100mm cg? BTW..what brand and rating batt. are you using?
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Originally posted by radfordc View Post
I think everyone who has flown the plane has commented that the elevator is sensitive and needs less throw than specified in the manual (for all CG conditions). I actually have three rates for the elevator...Super high is for ground taxi only and gives max up elevator throw. My high rate is what the manual specifies for low rate and my low rate is less than that. High rate is for takeoff and normal flight and low rate is for landing. After landing I switch to super high for taxi.
On my grass field, I need as much elevator throw as I can get, to keep the tail down until the plane's speed comes up. I'm just careful with the elevator during the rest of the flight, to avoid accelerated stalls.---
Warbirder
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Originally posted by downwindleg View PostI'm with TI and dkalwishkey, using two or three rates on the elevator or any other control surface, for me is cumbersome and unnecesary. 30% expo does the trick.....give it a try. Brad
You have to force/train yourself to real time use of the rate switches for ground/flight operations.
I am still not all the way there on real time de-activation of flaps as soon as I touch down to help eliminate their effects into nose overs also but that is part of the force/training.Warbird Charlie
HSD Skyraider FlightLine OV-10 FMS 1400: P-40B, P-51, F4U, F6F, T-28, P-40E, Pitts, 1700 F4U & F7F, FOX glider Freewing A-6, T-33, P-51 Dynam ME-262, Waco TF Giant P-47; ESM F7F-3 LX PBJ-1 EFL CZ T-28, C-150, 1500 P-51 & FW-190
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Rifleman, i used to do that also. Trim the plane with the smidge of flap in it then when I put the flaps down for landing realized what I had done. Then I had a ex-fighter pilot explain to me that they only used flaps if carrying bomb’s or extra guns, ammo, or fuel, or the runway was soft. Mine is not set up for any of that and nobody here flys if there is a hint of rain (all the time) so I stopped using flaps for takeoff.
Charlie, your home field is a tough one to practice short field drills. But to do it right you need sliders for flaps not the three position toggle. The latter will cause more trouble than anything. Flaps produce the majority of their lift in the first 20 degrees of deployment, by 30 degrees drag becomes the major component and continues to grow as they continue to come down (this is for the type of flaps on a p-51, flap the spit has are different than just laid out). drag is important because it keeps the plane from ballooning, but if you kill half the flaps you kill mostly drag and now she wants to balloon. Slider lets me dump flaps all at once.
Joe
Platt: fw190d9 Dynaflite:PT-19 IMP:Macchi202 ESM:fw190 ESM:Tank, Hien Jackson:DH-2 BH:macchi200 Extr:fw190 Holman:me109F H9spit2 FL:F4u,spit 9 FW:me262 GP:us60, Stuka, cub, F4u PZ:me109, albi EF Hurri, T-28 FMS: 2x fw190, me109 Lone Star:Skat Kat RSCombat:2xfw190d9
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