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Dr. Mad Thrust 50mm 10 Blade Alloy EDF 4000kv

Dr. Mad Thrust 50mm 10 Blade Alloy EDF 4000kv

Discontinued Product

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SKU:
9107000193
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Introducing our Dr. Mad Thrust high performance EDF series. The Dr. has been hard at work to bring you MAD power EDF systems with excellent quality, high performance and at a price that will leave some cash in your pocket.

The Dr. Mad Thrust EDF series are pre-assembled and dynamically balanced making them simple and easy to fit, no unit assembly is required. As well as high power, these fans have excellent cooling and run so smoothly, the sound is amazing, there is also no housing distortion unlike plastic fans. This nice quality, powerful fan is a great way to upgrade your 50mm EDF jet to a speeding missile in around an hour!

Dr. Mad Thrust EDF series - just the right prescription for your model!
 
Features:
• Pre-assembled
• Factory dynamically balanced
• High power with superior cooling
• High quality construction
• Fully serviceable
• Fast to fit
• No housing distortion
 
Specs:
Input Voltage: 3S 11.1V lipoly
Rotor Diameter: 50mm 10 Blade
Outer Diameter: 53mm
Weight: 93g with 2mm bullet connectors
Motor: 20-40 Brushless Inrunner 4000kv
Max Amps: 27A
Max Thrust: 550g

  • SKU 9107000193
  • Brand Dr Mad Thrust
  • Capacity (mAh) -
  • Shipping Weight 144.0000
  • Packaging Length 100.00
  • Packaging Width 70.00
  • Packaging Height 80.00
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Pros:
1. Metal cowl
2. Very sturdy
3. Well balanced
4. Crazy cool sound!
Cons:
1. Maximum measured static thrust - 450g vs. 550 advertised (given that advertised thrust is static, isn't it), with all inlets and cheater hole (next to impeller) combined section 2 times the area of impeller (the fan was not air-starved)
2. Maybe it's just me, but I could not disassemble it. So much for full-serviceable :P

Overall - satisfactory, pretty good for the price. I was able to use existing 3S batteries and a 30A ASC - so no overhead expenses for me, when I bought it. Installed in 650g scratch-built Mirage2000 (yeah, over-engineered and therefore - overweight), when trimmed good gave about 40mph top speeds. I would give it 5 stars overall just for sound :) , but trying to be objective.

verified_user Quality:
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Pros:
1. Metal cowl
2. Very sturdy
3. Well balanced
4. Crazy cool sound!
Cons:
1. Maximum measured static thrust - 450g vs. 550 advertised (given that advertised thrust is static, isn't it), with all inlets and cheater hole (next to impeller) combined section 2 times the area of impeller (the fan was not air-starved)
2. Maybe it's just me, but I could not disassemble it. So much for full-serviceable :P

Overall - satisfactory, pretty good for the price. I was able to use existing 3S batteries and a 30A ASC - so no overhead expenses for me, when I bought it. Installed in 650g scratch-built Mirage2000 (yeah, over-engineered and therefore - overweight), when trimmed good gave about 40mph top speeds. I would give it 5 stars overall just for sound :) , but trying to be objective.

Es werden 550 Gramm Schub versprochen... Pustekuchen...

Mein Modell (Mini Kataka) wiegt flugfertig 450 Gramm, hier ist nicht mal annhernd so viel Schub vorhanden dass das Modell im Normalflug fliegen kann. Nicht mal mit einem krftigen Schwung beim Start. Dabei mssten 550 Gramm Schub ausreichen um das Flugzeug senkrecht nach oben zu befrdern.

Das ganze wurde an einem 3S 1400 mAh 40/80C SLS Akku und 60 A ESC versucht...

Da macht mein Fhn mehr Druck !!!

absolut NICHT empfehlenswert !!!

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

Es werden 550 Gramm Schub versprochen... Pustekuchen...

Mein Modell (Mini Kataka) wiegt flugfertig 450 Gramm, hier ist nicht mal annhernd so viel Schub vorhanden dass das Modell im Normalflug fliegen kann. Nicht mal mit einem krftigen Schwung beim Start. Dabei mssten 550 Gramm Schub ausreichen um das Flugzeug senkrecht nach oben zu befrdern.

Das ganze wurde an einem 3S 1400 mAh 40/80C SLS Akku und 60 A ESC versucht...

Da macht mein Fhn mehr Druck !!!

absolut NICHT empfehlenswert !!!

It's not ballanced at all.
my thrust stand says it's only givving me 300g of thrust don't buy them

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It's not ballanced at all.
my thrust stand says it's only givving me 300g of thrust don't buy them

Runs very smooth and quiet.

Draws 20 amps on 3 cells. I am going to build an F117 faceted foamie for it.

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Runs very smooth and quiet.

Draws 20 amps on 3 cells. I am going to build an F117 faceted foamie for it.

Absolutely poor performance. Put it on a 450g plane and could not get it airborne. I only measured about 100g of thrust on a scale. The only good thing about this product is that it's pretty sturdy, but what use is that if you can't even get your plane off the ground.

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Absolutely poor performance. Put it on a 450g plane and could not get it airborne. I only measured about 100g of thrust on a scale. The only good thing about this product is that it's pretty sturdy, but what use is that if you can't even get your plane off the ground.

hoeveel trust hou ik over bij inbouwen bij f15 2 stuks ingebouwd , uitlaat 25cm lang inlaat 30 cm , toestel weegt 1200 gram spanwijdte 70 cm, gaat hij de lucht in?

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hoeveel trust hou ik over bij inbouwen bij f15 2 stuks ingebouwd , uitlaat 25cm lang inlaat 30 cm , toestel weegt 1200 gram spanwijdte 70 cm, gaat hij de lucht in?

great easy upgrade to get that bit extra out of the foamy

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great easy upgrade to get that bit extra out of the foamy

I received the unit nicely packaged and it looked high end, that is all it had going for it. I put it in my little 50mm f22 wanting the fabled 550g of thrust but it was pulling more like 150-200g which i wasn't able to keep airborne. I recently bought a 4s and cut two giant cheeter holes in the plane. With this setup I am able to get about a 4:5 thrust to weight. My plane weighs about 370g. I dont know if i did something wrong using this motor, but this is the worst product i have bought here so far.

verified_user Quality:
trending_up Value:
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I received the unit nicely packaged and it looked high end, that is all it had going for it. I put it in my little 50mm f22 wanting the fabled 550g of thrust but it was pulling more like 150-200g which i wasn't able to keep airborne. I recently bought a 4s and cut two giant cheeter holes in the plane. With this setup I am able to get about a 4:5 thrust to weight. My plane weighs about 370g. I dont know if i did something wrong using this motor, but this is the worst product i have bought here so far.

Nicht Empfelenwert.
Keine Leistung wie angegeben. Strom aufnahme 18 A bei 3Zellen 1ooo mAh und 11V.
Sehr schn fr die Vitrine.

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Nicht Empfelenwert.
Keine Leistung wie angegeben. Strom aufnahme 18 A bei 3Zellen 1ooo mAh und 11V.
Sehr schn fr die Vitrine.

Plane is 470g. Using 30amp esc and 40-65c 3s battery I don't quite have 1:1 thrust?
Not sure how (up to) 550g of thrust was measured but I seriously doubt even with a massive cheater hole and thrust tube anyone will ever see 550g of thrust on a 3S battery. I would say I'm getting 450g of static thrust. Sounds good but there is a little vibration at low speed, smoothest at high speed. May require a little tweaking. I'm curious what other people think???

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

Plane is 470g. Using 30amp esc and 40-65c 3s battery I don't quite have 1:1 thrust?
Not sure how (up to) 550g of thrust was measured but I seriously doubt even with a massive cheater hole and thrust tube anyone will ever see 550g of thrust on a 3S battery. I would say I'm getting 450g of static thrust. Sounds good but there is a little vibration at low speed, smoothest at high speed. May require a little tweaking. I'm curious what other people think???

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