July 3, 2008
Super Swoop
Phase 3 Swoop with a little extra. A 120W BM2408-21T Brushless Motor with a 6 x 5.5 prop (roughly 50W output):update It now also boasts new control surfaces, made from balsa and being around twice the size of the original which makes a huge difference in performance whilst still really nice to fly. Loops are now easy, no nasty stalls (flat spins that are truely nasty when badly set up) Rolls are very quick 3 - 4 per second. And the stall speed has dropped by 4 - 5 mph. Also the model now responds at slow speeds. This was a test flight to see if it would fly with the flycamone attached. It did, and well at that, though the landing was a lot harder than normal, breaking the mirror attached to the bottom of the flycamone. It seemed that the extra weight and drag increased the stall speed by a high margin. The plane flew in fine, gliding really well then stalled about 4ft off of the ground( it looks a lot higher), no real damage done to the plane or the camera, since this plane is very very tough.
The current motor has a KV of 900ish I would like to put a faster turning and lighter motor on the back, maybe next year.
Update, it now sports a 2000kv 200w motor spining a 5 x 4.75 prop, on a 2s lipo. I am guessing an output of near 100W output, enough to go vertical. This thing is now very fast and fun. New video coming soon.
Update:
I bought a watt meter, on a 2s lipo it puts out over 70w, with 3s its 140w, so now you know.
Duration : 0:7:45
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Comments on Super Swoop »
Better nose heavy, …
Better nose heavy, it will flat spin horribly if its too far back! Its a fairly low KV motor 2000 and only running on a 2s lipo so the RPM's are not silly speeds. It flys perfectly. Though it does have larger fins.
OH, not sure of my …
OH, not sure of my AUW but the only signicant weight addition was the lipo.
How does your Swoop …
How does your Swoop handle the torque of the 6×5.5 prop. I initially thought that a prop that big would cause significant torque roll. I have one with the following:
E-Flite Park 370 (3400 kv)
Castle Creations 10amp ESC
Thunder Power 3S 1320
HS55 servos
Hitec 6ch. Naro RX
Stock prop.
I haven't maidened it yet but soon. CG is stock or maybe 2-3mm nose heavy.
A flycamone, though …
A flycamone, though the extra weight was only carried by the extra power of the brushless setup. Standard swoops are quite marginal power wise. Also take care with the Centre of Gravity as if its off the swoop can go into some very nasty flat spins.
a question, what …
a question, what cam do u use?? i got a standard swoop and i*m happy about every sort of information about the swoop. greetz
My watt meter is …
My watt meter is wrong. I have just blown a 33amp esc whilst recording 18amps. So I reckon this set up is at least 100 watts.
Thanks, thats …
Thanks, thats helpfull. I will let you know how I get on…
Yes you will need a …
Yes you will need a brushless esc and a 2s (7.4v lipo). BRC Hobbies do a 860mah lipo that I use which fits perfectly for £10. The brushless motor and esc cost less than £20 again from BRC hobbies.
Did you have to …
Did you have to upgrade the lipo and speed controller?