Your Mtr-Mounts---Sinks-12-28mm Source! 
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As you move down the list and through the pages, the Motor Mounts and Sinks are generally ordered from small motors to larger motors.
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Motor Mount Star 28mm Outrunners - Product Image
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Motor Mount Star 28mm Outrunners

Star mount fits most 28mm outrunners. Fits our Maytech 2830 and 2836 series motors and most other imported motors in this size class using similar looking star mounts. Motor bolt holes are .625" (15.8mm) on center for one pair and .730" (18.54mm) on center for the other pair. Outside holes are 1.375" (35mm) on center. 1/8" Thickness, overall OD 1.870" (47.5mm) 3D printed solid ABS part. Center hole .400" (10mm).

 

 


SKU Number: RRCSTARMM28MT
Price: $2.00 
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Fox Lite Combination 12mm Motor Mount & Heat Sink - Product Image
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Fox Lite Combination 12mm Motor Mount & Heat Sink

New! An excellent firewall combination motor mount and heat sink. Works with all 12mm motors such as the GWS EPS 50XC, Medusa and Feigao motors. Aluminium, 5 grams. Mounts to firewall with provided fasteners. Motor installs and removes easily with clamping action/fastener. Allows easy movement of motor in and out for CG adjustment. Motor/prop/aircraft for illustration only. This item is one motor mount with screws.
SKU Number: FOXIPS12D
Price: $5.00 
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20mm Inrunner Adapter Into Brushed Fan Housing & Gearboxes - Product Image

20mm Inrunner Adapter Into Brushed Fan Housing & Gearboxes

Adapts 20mm inrunners into fan housings and gearboxes originally made for Speed 300 class motors (Speed 300/350/370 etc....). These brushed motors are 24mm OD and many fan housings exist for them including the ever popular GWS EDF 55 & 64 units. Complete with fasteners. Units mounts to front of motor making it the correct OD to properly fit in brushed fan housing. Use provided fasteners to bolt assembly into your housing/gearbox.
SKU Number: RRCMM20IA
Price: $4.50 
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Brushless Motor Mount Small Motors - Product Image
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Brushless Motor Mount Small Motors

Great Planes ElectriFly Brushless Motor Mount. Attaches to firewall and the electric motor attaches to this mount. Perfect fit for both 28mm RimFire, Outrunner and 24mm Ammo In-runners. Universal motor mounting bolt pattern insures an easy fit with many brands of motors. Lightweight aluminum construction for added durability. Unlimited adjustability from 1.6-2" (40-51mm) off surface of firewall.

Specifications:
Length: 1.65" (42mm)
Width: 1.97" (50mm)
Height: 1.44" (36.7mm)
Weight: 1.2oz (35g)
Mounting hole dimensions: 1.19"x1.19" (30.2x30.2mm)
SKU Number: GPMG1250

Price: $15.99 
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Radical RC Radial 20mm Motor Mount & Prop Shaft Adapter 3.0/3.2mm - Product Image
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Radical RC Radial 20mm Motor Mount & Prop Shaft Adapter 3.0/3.2mm

Radial Mount for 20mm, S-200-400 and some outrunner motors. Mount sizes all same, difference is shaft diameter. Choose your shaft diameter and color below.  Mounting bolt circle is 1.296" (33mm), Motor holes are one pair at .625 (16mm) on center, other pair at .750" (19mm) on center.  

Available red, purple, blue, gold.


SKU Number: RRCRADMNT3/3.2
Price: $8.00 
Color  
Motor Shaft Dia.  
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Mpi Maxx Stick Mount for 20mm Motors - Product Image
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Mpi Maxx Stick Mount for 20mm Motors

Mpi Maxx Stick Mount with Motor Heat Sink 20mm. A must when upgrading GWS EPS-100/300/350 with Himax HA2015, HA2025 B20/S/L gear motors. Fits all 20mm BL motors - Himax HA2015, HA2025, B20S/L. Has integrated 10mm x 10mm mounting box to fit GWS planes. Made of aluminum, anodized blue. Built-in cooling fins. Aluminium, 7.1grams/0.26oz
SKU Number: MPIACC3908
Price: $6.00 
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20mm to 24mm Ducted Fan/Gearbox Adapter Plate - Product Image
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20mm to 24mm Ducted Fan/Gearbox Adapter Plate

Use to get your 20mm brushless motor perfectly centered in a gearbox or ducted fan motor housing that was originally made for S300-370 series motors.

SKU Number: MPIACC3900
Price: $4.00 
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Mpi Maxx Motor Mount Heat Sink 20mm - Product Image
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Mpi Maxx Motor Mount Heat Sink 20mm

Combo motor mount and heat sink. Fits 20mm diameter motors. Anodized aluminum.

SKU Number: MPIACC3920
Price: $4.00 
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Mpi Maxx 20mm Ducted Fan Motor Heat Sink - Product Image
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Mpi Maxx 20mm Ducted Fan Motor Heat Sink

Fits Himax HA2015 & HA2025 series motors, & any 20mm OD motor, Anodized blue aluminum. Just press on!

SKU Number: MPIACC3922
Price: $7.00 
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Radical RC Heatsink Press On Mount for 20mm Motors - Product Image
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Radical RC Heatsink Press On Mount for 20mm Motors

Anodized blue press on aluminum heat sink.
Deeply finned.
Weight 6.5g
Fits motors 20mm sized motors.

SKU Number: RRCHSA20X25X6.5G
Price: $4.00 
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Mpi Maxx Motor Heat Sink 20mm - Product Image
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Mpi Maxx Motor Heat Sink 20mm

Mpi Maxx Motor Heat Sink 20mm. Works with EPS 300. 350, 370 motors. Aluminium, 9grams/0.3oz.
SKU Number: MPIACC3921
Price: $2.59 
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Radical RC #2 Stick Mount for 22 and 28mm Outrunner Motors Current Stock Color Purple Only! - Product Image
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Radical RC #2 Stick Mount for 22 and 28mm Outrunner Motors Current Stock Color Purple Only!

Fits Model Motors and Himax outrunners (and many other brands) 22-28mm. Max motor OD about 1.5" or 39mm Slot spacing 3/4" or approximately 19mm on center.
SKU Number: RRCBMM2OUT
Price: $8.00 
Color Preference  
Quantity:  

Radical RC Radial Motor Mount for AXI22XX Series Motors - Product Image
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Radical RC Radial Motor Mount for AXI22XX Series Motors

Radial Stick Mount for AXI22XX, Hacker A20 & HIMAX motors.

Choose below available red, purple, blue, gold for radial stick mount.
SKU Number: RRCRSMAXI22XX

Price: $14.00 
Color  
Quantity:  

Maxx Stick Mount for HC22XX Series Motors - Product Image
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Maxx Stick Mount for HC22XX Series Motors

Anodized aluminum Stick mount without heat sink for 22XX series motors. Includes mounting screws. Photo for display of mount in use.
Price is for mount only. As shown on side of sample motor in photo. Intended to mount on hardwood stick 3/16" x 3/8".

SKU Number: MPIHC2208-2
Price: $3.00 
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Radical RC Radial Motor Mount for AXI28XX Series Motors  - Product Image
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Radical RC Radial Motor Mount for AXI28XX Series Motors

Radial mount and radial Stick Mount for Model Motors AXI22XX, AXI2808 series motors. 3 bolt prop shaft fits only 28 series Model Motors larger than longer (first 4 digits larger number) than the "2808" like 2812 and etc... Although 2 bolt on prop shafts are shown, only one is included.
SKU Number: RRCRSMAXI28XX
Price: $14.00 
Color  
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Tim McDonough's Laser Cut Motor Mount Firewalls - Product Image
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Tim McDonough's Laser Cut Motor Mount Firewalls

Tim McDonough's laser cut motor mounts for Speed 300, 400, 500, and 600 size motors. Precision laser cut from 1/16 plywood and provide a solid, easy to use firewall motor mount that provides unrestricted airflow through the front of the motor. These mounts come three (3) to a package and include metric mounting screws for the Graupner, Robbe, or similar Mabuchi ferrite motors. Any size just $5.00/Package. Available in both round and square motor mounts. Please specify configuration and size below.

Max Measurments: 300 Round: 1.189", 300 Square 1.210", 400 Round 1.189, 400 Square 1.500', 600 Round 1.600", 600 Square, 600 Square 2".
SKU Number: TMLASFW

Price: $5.00 
Size  
Quantity:  

Stand Off Motor Mount Small - Product Image
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Stand Off Motor Mount Small

Maxx Products Light Weight Motor Mount, small size. Fits most outrunners smaller than 28mm like Himax 22 series and etc. Fits most 20mm inrunners. Injection molded part. Stands motor out 2.65" (67.3mm).
SKU Number: MPIACC3952
Price: $2.25 
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Stand Off Motor Mount Large - Product Image
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Stand Off Motor Mount Large

Maxx Products Light Weight Motor Mount, large size. Fits most outrunners up 400 watt range like Himax 35 series and AXI 28 series. Fits most Inrunners 20-28mm od. Injection molded part. Stands motor out 3.8" (97mm).
SKU Number: MPIACC3958
Price: $2.95 
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Fox Lite Alloy Flange Combination Motor Mount /Gearbox Frame / and Heat Sink - Product Image
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Fox Lite Alloy Flange Combination Motor Mount /Gearbox Frame / and Heat Sink

Tired of breaking your standard plastic GWS motor frames? Motor overheating? New! An excellent alloy flange mount. Combination motor mount / gearbox frame / and heat sink. Works with EPS 300 and 350 GWS systems. Unit has two nice flanges, perfect for gluing or screwing to a profile fuse/foamy or similar surfaces. 100% compatible with GWS EPS300 and EPS-350 gearbox parts. Motor installs and removes easily with clamping action/fastener. The motor assembly is not included. Check out ("Electric Flight Accessories/Motors/Gear Drive for Black Diamond 301 motor combo assembly)
SKU Number: FOXEPS24.25G
Price: $14.95 
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GWS Motor Mount  400A for 400 Type Motors - Product Image
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GWS Motor Mount 400A for 400 Type Motors

Motor mount for 400 type motors.
Beam mount type.

SKU Number: GWEMM400A
Price: $2.50 
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Mpi Maxx Motor Profile Mount for HC28XX Series Motors - Product Image
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Mpi Maxx Motor Profile Mount for HC28XX Series Motors

Maxx Products Profile Mount for HC 28XX Series Motors
SKU Number: MPIHC2808-4
Price: $3.00 
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Radical RC Heatsink Press On Mount for 28mm Motors - Product Image
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Radical RC Heatsink Press On Mount for 28mm Motors

Anodized red press on aluminum heat sink.
Deeply finned.
Weight 16.5g
Fits motors 28mm sized motors.

SKU Number: RRCHSA28X38X16.5G
Price: $6.00 
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Mpi Maxx Heatsink Press On Mount for 28mm Motors - Product Image
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Mpi Maxx Heatsink Press On Mount for 28mm Motors

Fits Himax HA2825 & HB2815 series motors, & any 28mm OD motor, Anodized blue, Just press on!
SKU Number: MPIACC3929
Price: $4.00 
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Radical RC Firewall to Stickmount Adapter 3/8 Sq. - Product Image
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Radical RC Firewall to Stickmount Adapter 3/8 Sq.

Anodized firewall to 3/8" square stickmount adapter. Includes mounting screws.
10 grams.

SKU Number: RRCFM
Price: $7.00 
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Stand Off Motor Mount for 50mm Outrunners - Product Image
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Stand Off Motor Mount for 50mm Outrunners

Fits Himax 50 series outrunners and many others. Motor plate is drilled for 4 bolt pattern of 30mm diameter. This is a most common mounting pattern in motors of this class such as Himax 50, Model Motors AXI 41 Series and many others. Standoffs provided in 2 different length rod sets (2" and 2.5") to aid your setup. High impact plastic base plate supports ends of standoffs against firewall to a solid and rugged mounting system.

Fits motors with 30mm mounting
Max motor length: 60mm
Max motor diameter: 55mm for Outrunners
2 sets of rods included for customized fit
Weight- 3.7 to 3.9 oz.
Includes all necessary hardware

SKU Number: MPIACC3650

Price: $27.95 
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10mm CD-ROM Style Bearing Housing Mount to 10mm Square Boom - Product Image
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10mm CD-ROM Style Bearing Housing Mount to 10mm Square Boom

CD-ROM style motors are mounted by holding onto the bearing tube housing. If your bearing tube housing is 10mm (about .394") this mount can be used. Custom made in the USA exclusively for Radical RC.
SKU Number: CDRM10MM10MM
Price: $4.50 
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11mm CD-ROM Style Bearing Housing Mount to 10mm Square Boom - Product Image
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11mm CD-ROM Style Bearing Housing Mount to 10mm Square Boom

CD-ROM style motors are mounted by holding onto the bearing tube housing. If your bearing tube housing is 11mm (about .433") this mount can be used. Includes 2 o-rings and 3.2mm prop saver.
SKU Number: CDRM11MM10MM
Price: $4.00 
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Outrunner Offset 10mm Stick Mount - Product Image
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Outrunner Offset 10mm Stick Mount

Many earlier kits intended for stick mounts were made for gearbox motors. If you use an outrunner in one of these models, the motor shaft will exit cowling in the wrong spot looking silly and probably flying poorly. Outrunners require the stick to be further offset from the intend motor shaft location. This mount system allows you to offset the stick to either side of the typical crop of park flyer sized 28mm series motors. I oiriginally designed this part so we could get an outrunner into a GWS Tiger Moth 400 without doing surgery on the foam fuse. In this case, I'm offsetting the motor stick below the motor. Optional side plates are provided so that you can get the shaft on either side of the original motor stick location. Also, the side plates have oval holes so you can make adjustments to motor thrust line and adjustment to cowling exit location for the shaft on one dimension. Sounds complex, but it's really just 4 simple parts bolted together. Comes with drawing and instructions. Great way to update older designed molded foam kits.


SKU Number: RRCOOSM

Price: $6.00 
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9mm CD-ROM Style Bearing Housing Mount to 10mm Square Boom

CD-ROM style motors are mounted by holding onto the bearing tube housing. If your bearing tube housing is 9mm. Can be altered for 8.5mm-9.5mm (.335"-.374").
SKU Number: CDRM9MM10MM
Price: $2.00 
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Millennium RC Outrunner Motor Mount 22-28mm Motors to 10mm Stick - Product Image
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Millennium RC Outrunner Motor Mount 22-28mm Motors to 10mm Stick

Made in the USA ABS/Nylon blend outrunner motor mount. Provides a strong, affordable and lightweight solution for mounting your outrunner motor to any 10mm x 10mm stick. Works with a wide selection of outrunners and includes (4) 3mm x 4mm screws to easily mount the motor. Mounting holes are slotted to allow a fit for a variety of motors. Mount has 4 slotted mounting holes and will accept from 15.7mm to 23.3mm diameter bolt pattern which covers most motors made 22-28mm OD. Mount ID (where rear mounted motor would fit) is 30.5mm. Mount is already notched for outrunner wire exit. A nice touch! We stock all colors.

Pick your color 1st and 2nd choice. If you pick the same color twice and we happen to be out then your telling us the color is very important to you and to hold your order until new stock arrives. It's helpful if you pick two colors so if we are out of one we can still speed your order along without delay. Of course we always try to keep plenty of all colors in stock so you can get the flavor you like best.

SKU Number: MRCOMM

Price: $3.95 
1st Color Choice  
2nd Color Choice  
Quantity:  

Himax Motor Radial Mount for HC28xx Series Motors - Product Image
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Himax Motor Radial Mount for HC28xx Series Motors

Maxx Products Radial Mount for Himax HC 28xx Series Motors. Also fits AXI (Model Motors) 22xx series motors.
SKU Number: MPIHC2808-9
Price: $3.00 
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Water Cooling Jacket for 28mm Motors - Product Image
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Water Cooling Jacket for 28mm Motors

Fits all 28mm OD Brushless motors at least 1.2" long.
SKU Number: AQUB9548
Price: $5.49 
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Himax Stick Mount for HC28XX Series Motors - Product Image
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Himax Stick Mount for HC28XX Series Motors

Anodized aluminum Stick mount without heat sink for Himax 28XX series motors. Adpats these motors to 10mm (3/8") square booms. Comes with screws required to mount to side of motor housing.
SKU Number: MPIHC2808-2
Price: $3.00 
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GWS 20mm Heat Sink / Adapter to S-300 Fan Housings - Product Image
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GWS 20mm Heat Sink / Adapter to S-300 Fan Housings

Use for it's heat sink feature, also adapts 20mm motors into 300 brushed motor fan housings such as the stock EDF-55 and EDF-64 housings or any other housing intended for a S300 sized brushed motor.
SKU Number: GWACS019
Price: $5.00 
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Motor Mount Plate for Fun Jet Ultra - Product Image
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Motor Mount Plate for Fun Jet Ultra

Fits 35 series Himax and many ohter outrunners. Same part as included with Multiplex power packs.
SKU Number: MPIACC3646
Price: $4.00 
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Heat Sink Compound 1.5g - Product Image
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Heat Sink Compound 1.5g

Use between heat sink and motor for better thermal contact. Due to surface imperfections, the heats sink is usually only touching the motor case in a few locations. The balance of the area is filled with a thin film of air. The compound is designed to fill this gap and conduct heat more rapidly than air. When you heat sink is in better contact, your motor will run even cooler. The compound is not electronically conductive. Use in a think layer, the ideal is fill the would-be air gap, not to hold the sink off the motors surface.
SKU Number: RRCHSC
Price: $2.49 
Quantity:  

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Questions on this Mtr Mounts Sinks 12 28mm? Email us at RadicalRC.com@gmail.com