Everything you need to build an RS850
Wondering if you already have most of the parts? This page lists every material, electronic component and recommended supplier needed to build the Racing Sparrow RS850. We've organised everything by region and designed the boat around common hobby materials, making it straightforward and affordable to source the parts.
Most builders already own some of the required tools and equipment, making the overall build cost lower than expected.
Select Your Region
General Supplies
- Masking Tape amazon.com
- (CA Glue) Superglue 20g amazon.com
Hull
- Filament PLA+ 1 Roll esun3dstore.com
- Split pin (25mm x 3.5) x 1 amazon.com
Electrics
- Radio Transmitter radiomasterrc.com
- Radio Receiver radiomasterrc.com
- Hi Torque Sail Servo aliexpress.com
- Rudder Servo Emax ES3054 emaxmodel.com, amazon.com
- Rudder Control Rod & Clevis dubro.com
- Power Switch On/Off amazon.com
- Small 3mm screws x 2 amazon.com
- Battery 4AA Holder aliexpress.com
Keel/Rudder
- Carbon Rod Round 4mm - (50mm length) aliexpress.com, aliexpress.com
- Carbon Rod Round 3mm - (700mm length in total) aliexpress.com
- Carbon Square Rod 4mm - 500mm lengths x 4 aliexpress.com
- Epoxy Resin 150ml amazon.com
- Methylated Spirits amazon.com, amazon.com
- Lead Shot 900g amazon.com, amazon.com
Rigging & Sails
- Carbon Mast 6mm x 4mm-inner - Main(1 x 1000mm) & Jib(1 x 862mm). aliexpress.com
- Carbon Boom 5mm - Main(1 x 290mm) & Jib(1 x 284mm). aliexpress.com
- Braid Line - 1 meter amazon.com
- Sail Material - Cut from rectangles (Main 269 x 915mm), (Jib 285 x 745mm). amazon.com
- Spinnaker Repair Tape - Full roll amazon.com
- Fishing Clip & Swivel x 2 amazon.com
Notes
For the servos we found for the sail servo and 10Kg servo was enough power to pull in the sails when needed. The rudder servo we used was an Emax ES3054 which is plenty power enough.