Parkzone UM Spitfire with AS3X - Page 106 - RC Groups
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Oct 04, 2012, 11:16 AM
BMFA 190658
SilentPilot's Avatar
Yeah, I would have thought that an engined up (ie mk IX) Spitfire would easily have been able to do nice loops from level flight.
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Oct 04, 2012, 11:24 AM
Registered User
Quote:
Originally Posted by SilentPilot
Yeah, I would have thought that an engined up (ie mk IX) Spitfire would easily have been able to do nice loops from level flight.
With the gear down?

I would suppose that the majority of "normal" aircraft flying at "normal" cruise speed would have to add power and lower the nose to pick up a certain airspeed before doing a loop, as I have to do with my little Spitfire.

Gene K
Oct 04, 2012, 11:25 AM
big ignore list
brushless55's Avatar
Quote:
Originally Posted by brushless55

ok, I think everyone can agree that a 4 blade prop is less efficient than a 2 blade prop right?
less efficient = less air speed
less efficient = less thrust
see where this goes
plus the extra weight of the Spit


so even without LG so less weight and less wind resistance the Spit has a very hard time with the 4 blade prop doing a nice controlled scale loop
so with the LG the performance will be even less
My stock P-51 did loop after loop after loop

I am going to try the P-51 prop on my Spit later today. I need to keep my job so not much flying right now

I really hope this helps and opens up some light on things
Quote:
Originally Posted by NEWBEFLYER
Is the aileron more down than up on the throws. I was wondering why I had to use so much rudder to turn it. I looked and sure enough it has more down than up.I flew it on low rates(70%)and she is very lazy in the roll but at high rate (100%) she was rolling like wild fire!!!! you definately need to keep your whits about you when flying the Spitfire. Once I got use to flying it she is great though the loops are a little loooopy if you put a dive in it. Found her to be a little squirmy in flight. The power seems to be a little weak with the 4 prop but still great to fly. I took off the landing gears and like that clean look
I can turn ok without rudder if I like..
I think if we try a 2 blade this could help this little bird get around better
Oct 04, 2012, 11:28 AM
Registered User
Perosnally I would go to a Bravo motor before going to a two blader. More power and still keep the scale look.
Oct 04, 2012, 11:37 AM
Kit Manufacturer
coreman's Avatar
Quote:
Originally Posted by speedy01
With the gear down?

Gene K
Don't they all fly around like that??

of course it flies slow, it's always in the pattern and on final!
Latest blog entry: BluFO-XL review by Tim...
Oct 04, 2012, 01:02 PM
Have fun
airpower's Avatar
Quote:
Originally Posted by NEWBEFLYER
Is the aileron more down than up on the throws. I was wondering why I had to use so much rudder to turn it. I looked and sure enough it has more down than up.I flew it on low rates(70%)and she is very lazy in the roll but at high rate (100%) she was rolling like wild fire!!!! you definately need to keep your whits about you when flying the Spitfire. Once I got use to flying it she is great though the loops are a little loooopy if you put a dive in it. Found her to be a little squirmy in flight. The power seems to be a little weak with the 4 prop but still great to fly. I took off the landing gears and like that clean look
newbeflyer, this is a common trait with the UMs that use one servo and a bellcrank for ailerons.
Oct 04, 2012, 01:28 PM
LiPo-Sucker & Airframe EMT
pugsam's Avatar
It sure looks good with that 4-blader

Oct 04, 2012, 01:40 PM
Have fun
airpower's Avatar
OMG you added a pilot!!!!
Oct 04, 2012, 01:40 PM
Registered User
Quote:
Originally Posted by IndyMatt
Perosnally I would go to a Bravo motor before going to a two blader. More power and still keep the scale look.
But the only time you can actually count/see the blades is with the motor stopped...I like scale just as much as the next guy but I like performance more...How about flying with the more efficient 2 blade prop and then proudly display the model with 4 blade unit in place???...I've done this in the past with a few of my models...

Kevin
Oct 04, 2012, 02:08 PM
when down=up, up=expensive
whichwaysup's Avatar
Quote:
Originally Posted by airpower
OMG you added a pilot!!!!
And flaps AND retracts. How'd you do it, PugSam?
Oct 04, 2012, 02:43 PM
Kit Manufacturer
coreman's Avatar
LHS called and I pick up my Spitfire at 6pm EST!!
Latest blog entry: BluFO-XL review by Tim...
Oct 04, 2012, 02:50 PM
when down=up, up=expensive
whichwaysup's Avatar
Quote:
Originally Posted by coreman
LHS called and I pick up my Spitfire at 6pm EST!!
PUlled up the weather for Southbridge - you won't believe this: EVERY time . . .



5 PM
62
Rain / Thunder
FEELS LIKE: 62 HUMIDITY: 94% PRECIP: 60% WIND:N at 3 mph
Show 15 Minute Details




6 PM
62
Scattered T-Storms
FEELS LIKE: 62 HUMIDITY: 93% PRECIP: 45% WIND:E at 2 mph
Show 15 Minute Details

Sunset at 6:24 pm



7 PM
61
T-Storms
FEELS LIKE: 61 HUMIDITY: 96% PRECIP: 60% WIND:NNE at 3 mph
Show 15 Minute Details






























8 PM


61

T-Storms

FEELS LIKE: 61 HUMIDITY: 98% PRECIP: 75% WIND:NNE at 3 mph
Oct 04, 2012, 02:51 PM
LiPo-Sucker & Airframe EMT
pugsam's Avatar
Quote:
Originally Posted by whichwaysup
And flaps AND retracts. How'd you do it, PugSam?
At my club, we have a lot of experience with Spitfire mods.

Oct 04, 2012, 03:04 PM
Registered User

Spitfire with 5043


Quote:
Originally Posted by Kevin Greene
How about flying with the more efficient 2 blade prop and then proudly display the model with 4 blade ....
Or leave the 2 blade on:



Yes, I know, different model.

Gene K
Oct 04, 2012, 03:56 PM
Kit Manufacturer
coreman's Avatar
Quote:
Originally Posted by whichwaysup
PUlled up the weather for Southbridge - you won't believe this: EVERY time . . .
I warned my buddies that we could expect rain for the next week. I doubly jinxed it in that I am also picking up a Radian Pro at the same time. And CDing a Gremlin combat contest (crepe paper streamers love the wet) sunday. Build your arks!
Latest blog entry: BluFO-XL review by Tim...


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