Range II LR4 3K Carbon Fiber 4 Inch 185mm Quadcopter Frame 4mm Arm Kit with 3D Printing Mounting Seat

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Product Description

Product parameters:

1. Wheelbase: 185mm
2. Weight: about 40.8G (including prints)
3. Thickness: bottom plate 1.5mm, upper plate 1.5mm, splint 1.0mm, arm 4.0mm
4. Paddle: 4 inch paddle
5. Flight control hole distance: 16*16mm, 20*20mm
6. Image transmission hole distance: 20*20mm
7. Camera installation width: 14mm, 19mm
8. Motor mounting hole: 9*12mm
9. Battery: 3S/4S 1100mah
10. 3D printing: including camera bracket, GPS printing base, battery anti-skid pad (you need to bring your own double-sided adhesive to fix it)
10. Color of print: black TPU

Recommended configuration:

Motor: 1505 3450KV motor
Battery: 3S/4S 1100mah or 3-4S 18650
Blade: T4*2.5 two blades/4024 two blades
Image transmission: Mini 800mW
It is recommended to install a separate looking buzzer such as JHE20B Finder


Under the hot sale of Range racks, we are also listening to the feedback and suggestions of players. We have retained the advantages of Range racks and optimized them. We launched Range Ⅱ. Compared with Range, Range Ⅱ has increased the height and length of the internal space and optimized The space for installation is saved, 16*16mm flight control holes are reserved, and 20*20mm holes are added. At the same time, RangeII adopts a folding mechanism. After the screws are locked, the folding structure will not be deformed in flight, and the arm will be stressed during a collision The rear folding unloading force can slow down the impact of the machine arm to protect the machine arm and motor


1. GPS can be installed for speed, location, return home, etc.
2. 800mW VTX can be installed with a cruising range of more than 3 miles
3.4 inch long battery life rack flight time: 4S 1100mah battery 10 minutes, 4S 18650 battery 30 minutes
4. The frame adopts a folding mechanism. After the screws are locked, the folding structure will not be deformed in flight. When a collision occurs, the arm is forced to fold and unload, which can reduce the impact of the arm and protect the arm and motor
5. The above theoretical data is for reference only and is subject to actual conditions. The specific flight time is related to the installation configuration and personal operation methods.

Special matters:

1. Before takeoff, check whether the 8 screws related to folding are locked. Whether the arm is fully extended.
2. Because the collision may cause the arm displacement, use it with caution.

Package list:

– 1set x Range Ⅱ 4 inch Carbon Fiber Quadcopter Frame Kit (not assembeled, just a frame kit)

– 1pcs x battery belt

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Item Specifics

Brand Name: 
 Carbon Fiber
Tool Supplies: 
 Assembly Category
Upgrade Parts/Accessories: 
RC Parts & Accs: 
 Vehicles & Remote Control Toys
Technical parameters: 
 Value 3
Model Number: 
 Range II LR4
Remote Control Peripherals/Devices: 
For Vehicle Type: 
Four-wheel Drive Attributes: 
 Bottom Plate


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


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If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


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