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Official Black Horse L-39 Albatros 90mm EDF Jet Discussion Thread
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Just ordered this L39 and I am looking at the Shubler and 1200kv HET motor. I will be flying at 5500’ elevation with temps up to high 90’s. (DA hits 10k+) My questions are:
1. what size esc should I spec?
2. will this be enough power if I run 10s? 12s?
3. What size rx/servo pack is recommended?
Thanks!
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Best overall power system?
As this model has been out and flown with many different power systems (out runner, in runner, 9-12 blade)
what is the consensus on the best overall style of motor and number of blades for general sport and mild aerobatic flying?
Considerations are thrust, longevity of motor, efficiency, and battery consumption.
Top speed is not a consideration.
Thanks in advance.
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Originally posted by TBeghtol View PostBest overall power system?
As this model has been out and flown with many different power systems (out runner, in runner, 9-12 blade)
what is the consensus on the best overall style of motor and number of blades for general sport and mild aerobatic flying?
Considerations are thrust, longevity of motor, efficiency, and battery consumption.
Top speed is not a consideration.
Thanks in advance.
12s Wemotec with HET 700-68-1125 (HET Fan shroud)
10s Schübeler HDS with HET 700-68-1200
Mine is running on a 12s JePe Storm Fan (JetFan), but this unit is discontinued. An Ejets unit with either of the above motors is good as well.
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Originally posted by yohay@aol.com View PostI have a JP 90mm fan unit, with out runner on mine. And 12s setup.
For sure I runner would be better.
I have a hobbywing 160amp esc, that is only delivering 70 percent power. Waiting for a program box to arrive, so I can program the esc.
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Originally posted by yohay@aol.com View PostI like your flight. Tx for sharing. What kind of wattage are you getting?
is this12s?
The red/white/blue one has been converted to a 100mm Wemotec 12 (HET 700-75-1050) setup in the meantime. I will do the same, got the unit already. It takes some mods to fit a larger exhaust.
https://shop.wemotec.com/Midi-Fan100...onically-tuned
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I've installed a 100mm Wemotec fan unit now, HET 700-75-1070 motor. 5,9kg AUW, 2x6s HRB 5000 Lipos, 6,5 min flight times. It required a new 3d printed tail part to achieve the necessary 85mm exhaust diameter.
100 mm ducted fan unit (11-blades) 12s Lipo cells 6,3 kp of thrust completely mounted, checked, completely balanced and harmonically tuned
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