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2016 SCARAB Knife r2 270mm mini Quad - this version is the BLACK HERO•32 (Naze) edition OneShot/BLHeli kit
The Knife Airframe (rated 5/5 Stars by USA RC Groups) is designed to be ultra light / strong carbon airframe at only 125g (125g with camera isolation mount deck as per photos above), yet super-strong - small enough to be flown indoors when its raining outside or raced outdoors in any wind condition - flown fast and furious - fitted with a PARIS AIR 3 Hero•32 and features our original Scarab style dead-cat profile with a full isolated front deck on 4 gell balls to carry an HD video camera such as the Yi Cam. The 3mm CF booms are ribbed to reduce drag by micro separation of the boundary layer under the props. There are no nuts - all M3 SS bolts screw directly to embedded M3 inserts - and all hardware is either Stainless Steel or Aluminium. The carbon used in the Knife is different - stronger. More Layers. Also important was a flexible battery location for either sideways mount or longitudinal mount using the CarbonBird 3S1500 21mm liPo. Standard electronic include the Flight-Controller Hero•32 ; T-motors ; BLHeli CarbonBird ESC ; Power distribution ; HQProps ; isolation deck ; as a kit - see photos above for assembly and text below.
Social Group - consider joining the FB SCARAB-Club - this page is NOT run by us - it is a FB social site for Scarab Pilots to go as a "3rd Place retreat" and hang out with other pilots and shoot the breeze. - Don't just be a lurker - share your experiences with the group.
Downloads at GITHub - The Hero•32 Black Racer comes coded and ready as per your selection above BF/CF/BetaF - to fly all you need to do is configure your Taranis RC Tx and confirm switches in the Chrome UI on PC/Mac
Instructions - the Build work flow is -> 1) build and setup RC Tx calibration 1095/1500/1905 & set your Failsafe 2) Learn ARMING & dis-ARMING without props - then test run without props 3) power test with props in hand held test (hand maiden) 4) Go to a location with low RISK = Long soft grass - no people -> hover test 5) final flight test by skilled pilot (if you are new to it use the SIM first) . - Knife is very easy to screw together - NO SOLDERING (some FPV custom gear will require soldering depending on what combination you choose) ;; =
Requires Assembly (no soldering - approx 10 minutes for the airframe excluding electronics) - You will need INOX lanolin lubricant spray for ESC connectors and JST plugs HERE ; tools needed are 2.0mm hex and 1/16th " hex drivers sold here ; a fine diamond file
FREE SHIPPING details on the shipping page
Note - effective 16 Feb 2015 CF is revised slightly in light of customer feedback
Excludes sensors - this example below an A2 voltage is supplied by using a FBVS-01 - this has been DIY soldered to pins(not included) for the LiPo balance tab as shown here below with FrSky X4R A2 port connected to the FBVS-01 and the 3S LiPo Pins - the A2 voltage is then activated in the Taranis telemetry section and a Play Value assigned to a switch.
Battery security - When the battery is mounted sideways as shown - place a small piece of Hook-side-velcro on the lower frame plate in the centre aligned to allow you to slide the battery into place from the yellow XT60 side - and a bigger longer piece of loop-velcro on the Lipo as shown in the photo above - this will secure the lipo for all flight conditions ; yet still allow some movement in a crash event (which is desireable to reduce extreme G on the LiPo) - so in summary a battery mounted above - sideways - does NOT use a battery strap.
Noob Quad Pilot tips
Question - Does it glide or autorotate? Does it float? what happens if a wire(s) comes undone inflight - Answer = Quads DO NOT glide, and do NOT float, if you crash it then you will break props if the ground is hard - if any single wire is compromised (shorted or disconnected or over-volted), or battery is exhausted, or a prop breaks inflight from a previous crash, then your Quad will immmediately tumble to the ground and be damaged at your own risk (noob pilots MUST choose a field with LONG SOFT GRASS ! = no damage from crashes - don't be tempted to copy pro-pilots and fly over hard ground at sports fields in your first few months - go to a location with LONG SOFT GRASS - we cannot emphasise this enough) - if you ever see this happening (crash) cut power to stop the motors/prop mid air before gnd contact. To prevent this from ever happening you need to be very clear about several things - during assembly make sure every single connection/wire/joint is correct - do not guess - do not assume anything - if you crash check all wires and replace the props - after intial assembly(or any later crash) do a functions test without props - test motor responses and RC control and test your failsafe, all done with props off. Then do a FULL-Power hand test (wear eye protection) called a hand maiden - this power test will confirm all power systems are working 100% correct at WOT (wide open throttle). If any power system hesitates/stuttters or stops - then immediately shut down and do NOT fly - see below notes on how to find any problem in the power train
Question - it wont start up? Props wont spin up, cannot arm BetaFlight? Answer = Safety & Risk - DO NOT INSTALL PROPS until you have learnt the ARM and dis-arm process for the PARIS Sirius AIR3. OK - so The Flight control will prevent the props from spinning until armed - once armed props can start suddenly - represents a risk and Eye Protection MUST be worn, PROPS OFF - Step 1. using the Chrome BF Extension GUI make sure you have the correct RC radio travel for channels 1-4 of 1095->1905 and centres are all 1500 ; Now you can choose to ARM by switch - Step 2. go to MODES tab - set your desired Aux Ch and range - press save - 3. test the switch and observe the GUI showing ARMED and Disarmed - and the green tab moving left/right as per the switch position. Some pilots use "arm by sticks" (but this is not possible unless the props are set to NOT SPIN at start up. Configure TAB - top right - In recent times with BF and Airmode pilots now prefer to arm by switch - usually Aux 3 ;;
The Flight control has several otherARM blockers for safety - If the Acc has not been calibrated it wont arm ; if the Baro is on it wont arm ; if the Quad is Tilted it wont arm ; if the Quad was moved during battery power-up when the Gyro calibration was effected it wont arm ; if the RC settings are out range ie not <1100->>1900 it wont arm by sticks. If Throttle is not below MIN command - it will not arm.
Question - When i install a Mobius the 6"x4.5props they come very close to the Mobius? Answer = Yes use 5"x4x3 props for Mobius - or better for 6" props ; we recommend the SLIM REPLAY XD mini 1080 cam HERE - or the elevated Yi/GoPro HD Cam tilt-mount HERE (not included)
Question - I am installing the Upgrade 2206 motors - Where can i find out about changes to the install relative to the 2206 motor? Answer = The 2206 can be installed without soldering (using the GBC push on connectors ) but the build can be achieved much neater, using soldering and Amtech223 - Mount the motors using the 2*M3 screws in the 2206 box, as shown below - then route the 2206 motor wires thru the hole to the ESC underneath, as per our published how-to on Scarab Tips & Tricks - Please see details on the Tips & Tricks article HERE for Scarab Pilots on how we set-up a Scarab Knife 270 for 2206 Race-R motors
Posted by Damien Pitt on 24th Jan 2016
The most capable multirotor I've flown; fast, agile and incredibly precise, this quad just feels absolutely dialled in. Went from being a Level mode only flyer to full Acro on the first flight with this little guy, with the way it responds to inputs you never feel like you have to fight it to do anything, you just know if it does anything, it's because you told it too.
There are 'cheaper' quads out there at this size but there is something to be said for being able to get an airframe from one place where someone has already meticulously selected the components to ensure the final product flies like this thing does. Additionally, like all Scarab frames it's nice to see something different on the market; in a hobby where every man and their dog is copy pasting the same 'brick' or 'X' design as everyone else, it's nice to have something that looks unique out there, added bonus being the swept back rear arms really do help with visual orientation.
Only wish I bought one of these sooner than I did!
Posted by Tom on 23rd Jul 2015
Scarab Knife is one of my Favs. Very tough and flies great. A perfect everyday flyer. Easy to repair and modify. Love it.
Posted by Andrew Tuck on 30th Jun 2015
Loving this little guy!! The build was so easy that I think just about any one could put it together. Once after getting the electric installed, I had a problem because I fly with Aurora radio gear, but Multiwcopter and Facebook guys jumped right in and got me going. Very great service!!! I fly at lease twice a day or more and now starting to fly it at night!! Waiting on my FPV set up. Great product!!
Posted by Jason Cole RCGroups on 2nd Apr 2015
RCGroups Staff Pilot did a Full Review of the Scarab Knife Racer here http://www.rcgroups.com/forums/showthread.php?t=2296201