Scarab Gimbal - GoProHeroHD - roll axis

Product Description

This is the SCARAB Roll gimbal for the GoProHeroHD2 or GoPro3 protective housing - camera. Apart from Gello on more expensive flimsy rival gimbals - we found that the biggest issue with non stabilised footage is chopping out large sections of camera footage which is perfect on a Scarab except for the fact that the horizon in tilted. By using a roll gimbal with a super-solid metal on metal design and oversized 18mm bearings - we offer simpicity with form and function. Heli-pilots are long used to using super-fast digital servos for 3D but we actually found after exhaustive testing the a slower analogue servo is far better for the function in a MULTICOPTER - specifically with MultiWiicopter software gimbal control. Gimbal Designed and manufactured by SCARAB team - not available on any other website. The gimbal is stabilised by a PARIS Sirius IMU (not included)

Includes

Roll gimbal assembly and hardware
Metal Gear servo BlueBirdMAX380 - aka Turnigy 380
GoPro male triple flange bracket
M3 bolts to mount the servo x 4
Ball-link roll change rod/2 rod ends/2 ball ends
Instructions to assemble - comes as lots of small parts
Carbon fibre 26mm servo tray - holder
Stainless Steel M5 bolt & Nylon M% bolt (lighter)
Servo extension lead
Total weight with servo 109grams - solid - forms a structral component of the MainFrame of your SCARAB
Down-loadable Gimbal assembly manual - HERE

Fits with - Fits directly to

SCARAB TriiKopta
SCARAB QuadOcta
SCARAB YSiix
SCARAB Stealth Recon

Requires/Excludes

Excludes PARIS Sirius Gimbal IMU - Gimbal control function is included in PARIS v4r5 or later but requires activation in the Code and GUI
REQUIRES as 3300uF 10v electrolytic Cap - sold HERE
You will need a 1/16th Scarab frame tool Hex ; 1.5 mm hex tool ; 2mm hex tool ; file or diamond file ; Blue Loctite® ; sidecutters ; Servo centering device
Requires thin cyno
You will need to supply your own goProHeroHD camera - with its original housing - requires some deburring and 1 drop of oil
You will need modelling/engineering skills to assemble it - NOT a toy - requires 1hr to assemble in a workshop

Software for EE's and coders

For MuliWii PARIS driven code 2.2 = the latest 2.2 DEV code is HERE http://www.flypix.co.uk/shikra/ftp with and extra bit in the config.h cam stabilisation section

What it does:

Tries to smooth out fluctuations (jitter) without the usual negatives of slow response to large changes.
When the gimbal is approximately in position, it makes only small changes. Smoothing out spikes and jitter.
If there are big changes, it stops the smoothing and uses the real value and restarts smoothing around that if its still stable.
It also introduces a deadband to ignore the bulk of jitter
It uses an algorithm that is very light on memory. 20% of the current default gimbal smoothing. 10% of the value I typically need to use.

The negatives are:

Increasing smoothing values starts to increase stepped changes when the copter is changing angles
Full smoothing (value=250) and it creates a slow response (1 second full transition at max smoothing)

Its a balance compromise as always to keep simplicity and fast code

/* Gimbal smoothing : anti-jitter gimbal smoothing for AP */

#define GIMBAL_SMOOTHING //Uncomment to enable gimbal smoothing

#define GS_DEADBAND 5 //PWM Deadband. Within this variation servo output is locked

#define GS_LIMIT 35 //PWM limit. Above this fluctuation, smoothing is disabled. Higher = more smoothing / but starts to introduce more stepped changes

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Tips

Information on assembling a kit can be gained by looking at the photos on the product page itself. If you stuck on an advanced kit then first read the Quad Noobs guide
MultiCopters should hover at 50% throttle and fly for 10-15 mins.
Balance all props - vibration causes junk sensors data and gello in video - remove the SOURCE of the vibration by balancing
Use a quality prop balancer(Du-Bro 499 Tru-Spin Prop Balancer) statically; then run them individually to check they are centred true and the tipshave the same path; any vibration will reduce the effectiveness of the Wii gyro or anyother gyro.
Attach any IMU or sensors such as Sirius™, NAZA or WookM with vibration isolation gel - Board with sensors solder to directly are just cheapo clones - commercial quality IMU use isolation vibration materials
Keep your PROPS OFF - not installed - until you are fully conversant/understand in full the functions of your Tx in full including TRAV (end Points), the arm and disarm procedures - realise that for a noob skiping or out-of-order set-up steps or moving sticks, or even static - PROPS may start at anytime without warning. Never install props prior to calibration of the ESC and testing the gyro orientation, and arm/disarm testing of the board - YOU are responsible - make sure your actions and your Copter is safe - remove the prop -remove the risk.
Always maiden on default PIDs' - If the copter is not almost perfect on default PID's then DO NOT go straight to altering the PID's! Most of the problems you will face as a noob will be caused by making wild assumptions or following myths from forums - fly on default PIDs first - balance your props - make sure your ESC are calibrated and synchronized.
Dont be fooled by forum claims of kirby flashed ESCs - this software will melt your ESCs and give short flights - there is a lot of bad info on forums

Safety in Australian Skies

Keep more than 30m from persons,choose an empty sports field for your first flights
Do not fly near pets, houses or cars
Never fly within 3nm of an airfield or above 400ft
Never install your props until after the Multicopter is fully tested and 100% correct without props. Engines can start suddenly and without warning IF YOU FAIL to understand how they work or skip any steps.
Set your Tx/Rx binding to low throttle 1/4 position so that if the link is lost the copter will descend slowly.
Always keep your Copter in line of sight for one pilot ops - FPV is only legal in AU with a buddy on a buddybox - 2 person FPV is 100% legal using the buddybox system below 400'. See CASA Part 101 Regs
RC Flying is a privilege - please enjoy it. Don't show off and don't get over confident
Home movies are fine, but in Australia professional paid photography or videos from an RC aircraft requires CASA Part 101 compliance, including exams and approved ops manuals and pilot competency tests by CASA official which will cost several thousand up front.

Shipping

We ship Australia wide by eParcel with signature - and Worldwide by DHL/Fedex/Airmail Registered - Please add the items to your cart and Estimate shipping - see below. Orders ship in sequence - an Order placed on a friday night will ship before an order placed on monday morning - Also please see the SHIPPING PAGE for details - valuations etc

FREE SHIPPING OVER USD$300 - worldwide* ** Details

*FREE by DHL/Fedex/AUPosteParcel /Airmail Registered Post - worldwide** for any single order totalling USD$300 or more* - Only applies to INSTOCK ITEMS - that means Free packaging and handling and free shipping by trusted Fedex/DHL ECONOMY/AIRMAIL Registered (we choose/decide the best carrier for your country) - Australian orders are shipped by eParcel signature on arrival. Address given must be the address delivered to as per your official PAYPAL address

Re-routing is NOT included in the FREE shipping offer ie Fedex goes to your home (the address you gave us) and you then tell them to re-route it to your work (they charge heavily for this) - so Re-Routing is NOT COVERED - *Excludes Government duties/taxes payable by the buyer on arrival in his/her country - if you need any special declared value please advice by email first to check if we can help or maybe not. Excludes additional items ordered in other separate orders or items requested by EMAIL before or after the event

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