How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
3-blade Classic propeller 21"
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
3-blade Classic propeller 21"
3-blade Classic propeller 21" is an official Fiala Prop catalog item listed at RC-MODEL for customers who need a clear, local product page with images, fitment guidance and bilingual specifications.
Recommended use
Gasoline RC aircraft using a three-blade wooden propeller. Fiala wooden propellers are a strong choice for model pilots who want smooth running, low rotating mass and a traditional wood propeller look.
Configuration
This catalog page includes available pitches: 8, 10, 12, 14, 16; rotation options: CCW, CW; finish options: Black, Natural, White. Match diameter, pitch, rotation, finish and drilling requirements to the engine, spinner and prop adapter before ordering.
Customer notes
- Storefront supplier prices are not displayed.
- Mounting-hole drilling should be confirmed against the exact engine or prop adapter.
- Maximum RPM, ground clearance and engine loading should be checked before use.
| Manufacturer | Fiala prop s.r.o. |
|---|---|
| Brand | Fiala Prop |
| Source Product ID | 46 |
| Source Category | Propellers > Classic Propellers > 3 blade Classic propellers |
| Source Catalog | Official Fiala Prop propeller catalog |
| Product Type | Wooden classic gas propeller |
| Application | Gasoline RC aircraft using a three-blade wooden propeller |
| Diameter (in) | 21 |
| Diameter (mm) | 533.4 |
| Blade Count | 3 |
| Available Pitches | 8, 10, 12, 14, 16 |
| Rotation Options | CCW, CW |
| Finish Options | Black, Natural, White |
| Variant Count | 30 |
| Construction | Wooden propeller made for RC model aircraft |
| Balancing | Supplied statically balanced according to the official Fiala catalog text |
| Packaging | Packed for propeller protection in transit |
| Marking | Size and manufacturer marking are laser-marked on applicable propellers |
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | Fiala prop s.r.o. |
| Brand | Fiala Prop |
| Source Product ID | 46 |
| Source Catalog | Official Fiala Prop propeller catalog |
| Product Type | Wooden classic gas propeller |
| Application | Gasoline RC aircraft using a three-blade wooden propeller |
| Diameter (in) | 21 |
| Diameter (mm) | 533.4 |
| Blade Count | 3 |
| Available Pitches | 8, 10, 12, 14, 16 |
| Rotation Options | CCW, CW |
| Finish Options | Black, Natural, White |
| Variant Count | 30 |
| Construction | Wooden propeller made for RC model aircraft |
| Balancing | Supplied statically balanced according to the official Fiala catalog text |
| Packaging | Packed for propeller protection in transit |
| Marking | Size and manufacturer marking are laser-marked on applicable propellers |
| Drilling | Mounting-hole drilling should be matched to the engine/adapter; RC-MODEL can advise before order |
| Manual / RPM | Maximum RPM and safe handling information are checked before final fitment |
| Availability | Catalog item; contact RC-MODEL for current availability |
| Product Image Source | Official Fiala Prop product image |
Tags: Fiala Prop, 3-blade Classic propeller 21", Wooden classic gas propeller, Gasoline RC aircraft using a three-blade wooden propeller, Engines & Power, Fiala Wooden Propellers, Classic Gas Propellers, 3-Blade Classic Propellers