how many volts does this run on at top speed?

Thank you very much for your feedback and reminders. the voltage should reach 12.6V and the current should reach 38A if it run on at top speed.

I'm having trouble programming the skywalker 40a esc that comes with this edf kit using beeps. do you recommend a particular led programming card?

Thank you for your question. Almost no programming cards are seen on the market, This can only be done with a remote control. We don't do control programs, so there is no better suggestion for this problem. I am really sorry that I have not helped you with the question.

the picture shows and the heaed states 4300kv 4s but the choice are 3900kv 4s or 4900kv 3s? so is it 4300 or 3900 for the 4s?

Thank you very much for your feedback and reminders. This is the size of：Powerfun 50mm EDF with 4300KV 4S Motor +ESC40A(2~4S). This is a very favorable EDF package and high-qulity products. I am very sorry for the inconvenience caused by our mistakes. I wish you a happy life.

what connector does it have when i straight of buy it, an xt60?, xt30?

Thank you for your trust and support , this is 40A(2~4S)ESC，The default plug is T plug. If you need XT60 plug, please send us an email to let us know and we will order it for you. Thank you!

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EDF 50mm 11 Blades Ducted Fan with RC Brushless Motor 4900KV Balance Tested for EDF 3S RC Jet Airplane

Product ID: 98737151

Details

Brand
Powerfun
Horsepower
478 Watts
Material
Copper
Speed
50000 RPM
Voltage
12.6 Volts

⚡478W high power output

🌀50mm 11-blade ducted fan for max thrust

🔋4900KV brushless motor optimized for 3S LiPo

49295CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your RC jet game with power and precision!

HIGH SPEED POWERHOUSE - Delivers a blistering 50,000 RPM for unmatched jet-like acceleration
PLUG PLAY CONVENIENCE - Pre-soldered banana plugs for effortless, secure motor connections
IMMERSIVE REALISTIC SOUND - Experience authentic jet engine noise that elevates your RC flying experience
DURABLE COOL UNDER PRESSURE - Stable structure with efficient cooling ensures long-lasting reliability
PRECISION BALANCED FOR PEAK PERFORMANCE - Dynamically balance tested for ultra-smooth, vibration-free flight

The Powerfun EDF 50mm 11 Blades Ducted Fan pairs a 4900KV brushless motor with a dynamically balanced 11-blade fan, delivering 478 watts of power at 50,000 RPM. Designed for 3S LiPo setups, it features pre-soldered banana plugs for easy installation, a durable build with efficient cooling, and produces realistic jet sounds, making it a top choice for serious RC jet enthusiasts.

Specifications

ASIN	B073VJ72P1
Best Sellers Rank	#397,350 in Toys & Games ( See Top 100 in Toys & Games ) #1,618 in RC Electric Motors
Brand Name	Powerfun
Customer Reviews	4.6 4.6 out of 5 stars (57)
Horsepower	478 Watts
Item Weight	2.88 ounces
Manufacturer	Powerfun
Material Type	Copper
Model	3s /4900kv
Part Number	PF-EDF-CA02
Speed	50000 RPM
UPC	661273154700
Voltage	12.6 Volts

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