USER MANUAL
Contents
1. the use of your product immediately and let it dry carefully Avoid overtightening the motor screws Damaged threads are not covered under warranty Avoid overloading the motor due to wrong or too long gear ratios Never apply full throttle if the motor is not installed Due to the extremely high RPMs without load the motor can get damaged Always wire up all the parts of the equipment carefully If any of the connections come loose as a result of vibration you could loose control over your model Avoid soldering longer then 5 seconds per soldering joint when replacing the power wires to prevent possible damage to the product due to overheating of the components Use a high power soldering station with at least 60W for soldering The manufacturer can not be held responsible for damages which are a result of non observance of the warning notes and security advices Installation amp Connections HALL SENSOR WIRE This bi directional multipole wire which is supplied with all Nosram sensored brushless speed controls connects the speedo and the motor Do not alter or modify this cable Make sure that the plugs have a proper and tight fit and are always clean POWER WIRES Your motor comes pre wired using common motor connectors It s simply plug amp play when you intend using a designated Nosram Falcon8 speed control You can also solder the motor directly the power wires if you prefer to use a hardwired wire setup the uniq2. 0kV 2600kV Order No 90225 90235 90240 90270 Voltage input v 7 4 25 2V 7 4 18 5V 7 4 14 8V RPM 23 680 29 600 32 560 38 480 Specific RPM V kV 1600 2000 2200 2600 Power W 1750W 2120 2370 2710 Efficiency HS 91 90 90 88 Magnet material 4 Pole Sintered Winding 12 Slot low resistance Weight al 340 Diameter mm 41 0 Length mm 65 5 Output shaft i mm D 5 0 L 18 0 Specifications Subject to change without notice Measured at 14 8 Gearing Advise Please pay special attention to our gear ratio recommendations A wrong gear ratio causes excessive heating and may result in motor damage or thermal shutdown of your speed control Take your kits manual to find the correct pinion Motor temperatures should be monitored they should never exceed 100 C 210 F The following gear ratios are only a recommendation and a good starting point for use with 4S LiPo batteries e g 14 8V The perfect ratio may vary due to different speed controls and it s profiles track size track conditions and batteries IMPORTANT Make sure you start with much smaller pinion when running higher number of cells As a rule of thumb you can increase decrease pinion size by three teeth when changing battery cell number by one cell e g if you re using 18T pinion with 4S you should start with 15T pinion when changing to 5S and vice versa Also make sure you stay within the recommended volta
3. MA00225 Version 28 6 12 Nosram 2012 USER MANUAL Fatboy 8 Series 1 8 Brushless Motor 4 Pole Sintered Magnet HighTorque 12 Slot Stator Precision Balanced Rotor for distributor address see packaging www nosram com Warning Notes Do not use timing speed control profiles with FatBoy8 motors Because of their unique design 4 Pole 12 Slot motors are not suited for speed controls with built in timing algo rithms Make sure you disable such functions on your speed control as otherwise you may overheat the motor which can result to motor damage in the worst case No toy Not suitable for children under 14 years Keep the product out of the reach of children Pay close attention to the following points as they can destroy the product and void your warranty Non observance of these points can lead to property damage personal and severe injuries Never leave the product unsupervised while it is switched on in use or connected with a power source If a defect occurs it could set fire to the product or the surroundings Avoid incorrect connections or connections with reversed polarity of the product All wires and connections have to be well insulated Short circuits can possibly destroy the product Never allow this product or other electronic components to come in contact with water oil or fuels or other electroconductive liquids as these could contain minerals which are harmful for electronic circuits If this happens stop
4. ge range for each motor type Overall Gearing Specific gearing pinion spur gear for popular cars Motor Type Battery Short Course 1600kV 12 0 1 12 0 1 20 46 16 46 2000kV i 140 1 14 0 1 18 46 14 46 4S LiP H 2200kV 0 a a M6 2600kV o i 14 46 Disassembly amp Maintenance Due to the maintenance free design of the FatBoy8 it is not necessary to open the motor frequently under normal conditions It is just recommended to check that the housing screws are always securely fastened and that you maintain the ball bearings frequently clean check oil replace if needed in order to achieve best performance Of course you can also disassemble the motor entirely if you wish to do so Disassembly of the motor 1 loosen and remove the 5 front and 3 rear cover screws using 2mm allen key 2 carefully remove both endcovers 3 remove the shims from the rotor shaft 4 now you can carefully pull the rotor out of the housing place the rotor in clean towel or designated container 5 you have now access to the motors insides for cleaning You may also use compressed air to clean the inside of the motor after you have removed the bearings Be careful with correct shim position during re assembly and make sure to tighten the screws carefully Spare and Optional Parts Nosram offers a comprehensive line of accessories as well as particular spare and optional items Here you find an o
5. or e Rotor damage due to debris inside motor e Mechanical damage due to external causes e Rust To eliminate all other possibilities or improper handling first check all other components in your model and the trouble shooting guide if available before you send in this product for repair If products are sent in for repair which do operate perfectly we have to charge a service fee according to our pricelist With sending in this product the customer has to advise NOSRAM if the product should be repaired in either case If there is neither a warranty nor guarantee claim the inspection of the product and the repairs if necessary in either case will be charged with a fee at the customers expense according to our price list A proof of purchase including date of purchase needs to be included Otherwise no warranty can be granted For quick repair and return service add your address and detailed description of the malfunction If NOSRAM no longer manufactures a returned defective product and we are unable to service it we shall provide you with a product that has at least the same value from one of the successor series The specifications like weight size and others should be seen as guide values Due to ongoing technical improve ments which are done in the interest of the product NOSRAM does not take any responsibility for the accuracy of these specs NOSRAM Distributor Service e Package your product carefully and include sales recei
6. pt and detailed description of malfunction Send parcel to your national NOSRAM distributor Distributor repairs or exchanges the product Shipment back to you usually by COD cash on delivery but this is subject to your national NOSRAM distributor s general policy Thank you for your trust in this Nosram product By purchasing a Nosram FatBoy brushless motor you have chosen a highly developed competition brushless motor full of innovative features Nosrams R amp D team took all the experience and testing results from our worlds winning motors to design these 1 8 FatBoy8 motor line IFMAR World Champion Brushless Motor Technology e HeavyDuty XTEC B8 housing e Precision balanced rotor e Oversized ball bearings e Universal Fit e Splitted soldertabs for easy installation e Pre Wired Sensored Technology e High Torque Design Please read the following instructions carefully before you start using your product This user guide contains im portant notes for the installation the safety the use and the maintenance of this product Thus protecting yourself and avoid damages of the product Proceed according to the user guide in order to understand your product better Please take your time as you will have much more joy with your product if you know it exactly This user manual shall be kept in a safe place If another customer is using this product this manual has to be handed out together with it Specifications 1600kV 2000kV 220
7. ue splitted solder tabs allow easy and convenient replace ment of the power wires Nevertheless some soldering skills are required Talk to your local hobbyshop if you are concerned about soldering the wires yourself Caution Avoid soldering longer then 5sec per soldering joint to prevent possible damage to the motor due to overheating of the inner components e Install the motor in the model Caution The maximum length of the motor screws shall not exceed 8mm Connect the power wires of the speed control and the motor eo ae rF amp Make sure that the sequence is correct by checking the color code and the letters l X J MOT A blue wire MOT B yellow wire O We MOT C orange wire If you re using a sensored speed control attach the hall sensor wire to motor and speedo now Finally check all the connections before using the motor Hall Sensor wire Repair Procedures Limited Warranty All products from NOSRAM are manufactured according to the highest quality standards NOSRAM guarantees this product to be free from defects in materials or workmanship for 90 days non european countris only from the original date of purchase verified by sales receipt This limited warranty doesn t cover defects which are a result of misuse improper maintenance outside interference or mechanical damage This applies among other things on e Overload Excessive amounts of dirt inside the mot
8. verview for a full picture please visit our website at www Nosram com Spare parts 90638 MR115ZZ ABEC5 Ball Bearings 5x11x4mm 2pcs r 90657 FatBoy8 Spare Sintered Rotor 90658 FatBoy8 Sensor Assembly complete replacement sensor assembly ready to use Optional parts 925307 Sensor Wire HighFlex 70mm 925310 Sensor Wire HighFlex 100mm 925315 Sensor Wire HighFlex 150mm 925320 Sensor Wire HighFlex 200mm 92507 3 3mm Powerwire black 1 0m 92508 3 3mm Powerwire red 1 0m 92506 Power Wire Set Brushless 3 3mm red black blue orange yellow 1 8th Brushless speed control 90880 Falcon8 Competition Brushless to seperate collection at the product end of life Do not dispose of these products as unsorted i The crossed out wheeled bin means that within the European Union the product must be taken municipal waste
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