More from Buddy RC →OMPHobby M4 Max RC Helicopter Frame and Motor Kit
$529.99
In stock at buddyrc.com
The OMPHobby M4 Max Frame and Motor Kit is a 420mm-blade helicopter kit based on the M4 airframe, designed by Jonas Wackershauser. The kit includes the airframe, a larger R80-7 main motor, RotorTech 420 main blades and 71mm tail blades. Flying weight is about 1500g with 3 to 15 minute flights on 6S 2000mAh. It suits experienced heli builders.
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Highlights
- Airframe, R80-7 main motor, 420mm main and 71mm tail blades included
- Lower disc loading for a floatier flying style
- 22mm carbon tail boom and CNC aluminum tail housing
- 5mm tail belt with dynamic tail weights
- About 1500g flying weight; 3 to 15 min on 6S 2000mAh 70C
Best for
Experienced RC heli pilots who enjoy building and setting up their own machine.
Things to consider
- Requires assembly, plus ESC, servos, flight controller, receiver and battery.
- OMPHobby warns it is not for children or beginners; simulator practice is advised.
- Flight time varies widely by flying style.
Key specs
| Price | $529.99 |
|---|---|
| Main blades | 420mm (RotorTech 420 Ultimate) |
| Tail blades | 71mm |
| Main motor | R80-7 |
| Flying weight | About 1500g |
| Battery | 6S 2000mAh 70C |
| Colors | Pink, Green, Orange |
Our take
A strong kit for skilled builders; budget for the remaining electronics.
OMPHobby M4 Max RC Helicopter Frame and Motor Kit at a glance
| Brand | Buddy RC |
|---|---|
| Price | $529.99 |
| Type | helicopter |
| Options | 3 colors |
| Availability | In stock at buddyrc.com |
| Returns | Items can be returned within 30 days of receipt with an RMA code requested by email.… |
Price check
At $529.99, the OMPHobby M4 Max RC Helicopter Frame and Motor Kit is toward the top of Buddy RC's price range, whose 4,618 listed products run $0.25 to $9,999.
Frequently asked questions
What's included in the M4 Max kit?
The airframe, main motor, 420mm main blades and 71mm tail blades.
Does it need assembly?
Yes. It comes in kit form and needs assembly and setup.
How long does it fly?
3 to 15 minutes on a 6S 2000mAh 70C pack, depending on flying style.
How much is the OMPHobby M4 Max RC Helicopter Frame and Motor Kit?
Buddy RC lists it at $529.99 on buddyrc.com. We refresh prices throughout the day, but always confirm the final price at checkout.
What is Buddy RC's return policy?
Items can be returned within 30 days of receipt with an RMA code requested by email. Returns in new condition with original packaging have no restock fee; others are charged 10 to 20%, and shipping fees are not refunded.
How long does Buddy RC take to ship?
Orders placed before 2 p.m. EST usually ship the same business day from Columbus, Ohio, by USPS or UPS, with most packages arriving in 2 to 5 business days. Orders over $100 may ship free within the US, excluding most airplanes, and LiPo batteries ship only by UPS Ground.
Does the OMPHobby M4 Max RC Helicopter Frame and Motor Kit come with a warranty?
Buddy RC's published warranty terms: Products older than 30 days may be exchanged under warranty but aren't eligible for a refund. Specific warranty terms aren't published in the policy text.
What options does the OMPHobby M4 Max RC Helicopter Frame and Motor Kit come in?
Color: Pink, Green, Orange.
Where can I buy the OMPHobby M4 Max RC Helicopter Frame and Motor Kit?
The OMPHobby M4 Max RC Helicopter Frame and Motor Kit is sold directly by Buddy RC on buddyrc.com. The Shop now button on this page goes straight to the product there.
Is the OMPHobby M4 Max RC Helicopter Frame and Motor Kit in stock?
Yes. Buddy RC lists it as in stock on buddyrc.com as of our latest check. Stock and prices refresh throughout the day.
Is Buddy RC a legit store?
Buddy RC is a strong pick for RC pilots who need specific parts, power systems or helicopter spares from a US warehouse with same-day dispatch. Skip it if you want generous returns, since shipping is never refunded and returns that aren't in new condition carry a 10 to 20% restock fee. Confirm the exact part number and motor or frame compatibility before ordering, because most of the catalog is model-specific. Our full Buddy RC review covers shipping, returns and what to check before ordering.
Is the OMPHobby M4 Max RC Helicopter Frame and Motor Kit expensive?
At $529.99 it is toward the top of Buddy RC's range ($0.25 to $9,999 across 4,618 products).
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