E71 The E71 is an airfoil manufactured by GILW, designed for low Reynolds number applications. It has a maximum thickness of 5.2% at 25.7% of the chord.
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E71

Available from 1 distributors
Mfr Name: GILW
GILW
The E71 is an airfoil manufactured by GILW, designed for low Reynolds number applications. It has a maximum thickness of 5.2% at 25.7% of the chord.
✓ Total Stock: 9,571 pcs
$ Price Range: $1.17

E71 Available from 1 distributor

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✓ Non-Authorised
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9571 pcs On Request 1 On Request On Request N/A On Request On Request

E71 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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E71 Description

Short technical summary and product information.

The E71 airfoil, manufactured by GILW, is a specialized component designed for low Reynolds number applications. It features a maximum thickness of 5.2% located at 25.7% of the chord length. Additionally, it has a maximum camber of 4.4% at 54% of the chord.

 

Performance data for the E71 airfoil is available across a range of Reynolds numbers from 50,000 to 1,000,000. For instance, at a Reynolds number of 50,000 with Ncrit=9, it achieves a typical Max Cl/Cd of 48.5 at an angle of attack of 5.75 degrees. At a higher Reynolds number of 1,000,000 with Ncrit=9, the typical Max Cl/Cd is 205 at an angle of attack of 1 degree.

 

This airfoil is sourced from the UIUC Airfoil Coordinates Database and is provided in Selig format. Its characteristics make it suitable for various aerodynamic applications where low Reynolds number performance is critical.

E71 Quick Information

Product Type: Airfoil
Canonical Name: E71 Airfoil
Subcategory: Airfoil

E71 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

E71 Estimated Pricing

Qty Low High
1+ $1.17 $1.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

E71 Features

  • Max thickness 5.2% at 25.7% chord.
  • Max camber 4.4% at 54% chord.
  • Peak Cl/Cd of 205 at Re 1,000,000.
  • Low Reynolds number airfoil design.
  • Xfoil predictions for Ncrit 5 and 9.

E71 Applications

  • Designed for low Reynolds number flight applications.
  • Suitable for small UAV wing design.
  • Used in model glider and sailplane wings.
  • Useful for high-lift low-speed aircraft sections.

E71 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum thickness of the E71 airfoil?

The maximum thickness of the E71 airfoil is 5.2% at 25.7% of the chord.

What is the maximum camber of the E71 airfoil?

The maximum camber of the E71 airfoil is 4.4% at 54% of the chord.

What is the typical Max Cl/Cd for the E71 airfoil at a Reynolds number of 1,000,000?

At a Reynolds number of 1,000,000 and Ncrit=9, the typical Max Cl/Cd is 205.

What is the RoHS status for the E71 airfoil?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the E71 airfoil?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

What is the REACH status for the E71 airfoil?

The REACH status is REACH Unaffected.

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