Stormworks: Build and Rescue

Stormworks: Build and Rescue

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AW101-SW Merlin SICG SAR System Guide
By TomDRV
This is the full feature list for the Sawyer Isles Coastguard AW101-SW MERLIN SAR

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2213181424

This is a reproduction of the Norweigan AW101 SAR, but I’ve taken liberties to make it effective in Stormworks, mostly in reshaping the nacelles to fit Stormworks jet turbines and a redesigned interior.

The Sawyer Isles Coastguard’s AW101-SW Merlin (Search & Rescue) is a tri-engine rescue helicopter intended for long-range shore-based missions. It’s large size, engine-out flightworthiness & helicopter-in-flight refueling (HIFR) capability mean it can be trusted to save lives at extreme distances. Internal cargo rails and a plug-and-play cargo winch allow it to rapidly take on equipment for tasks such as firefighting or logistics support and additional fuel tanks in the cabin for extended range.

A folding tail, rotors and four tie down points* (will work once rope tying comes in) also make it suitable for embarkation on surface ships.
   
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Startup/manual/TLDR
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2213181424


1. The solid bars at the lower edges of main screens are the return buttons.
2. Engage main & avionic power. Internal defaults on at spawn
3. Set engines to ‘flight’ and wait for spool up. Rotor RPS is the left meter on the flight display.
4. Make sure your seat is in control
5. Take-off

Need-to-know:
- With both power switches off the batteries won’t drain but the doors will still open.
- Flip cross-tie breaker to recharge avionic batteries from the electrical port.
- Fold the main rotor before exiting the game or rotors will break (a spawning bug)
- Refuel pumps must be on to receive fuel - switch in service hatch.
- The internal connection can be used to empty the tanks and feed engines but not fill tanks.
- Aircraft flyable on 2 engines (with reduced performance)
- If you hold a key before switching control, the heli will lurch in that direction unless you let the seat
value reset for a bit.
- To fold main rotors, climb handles on the right side, once you’ve figured it out takes ~4 seconds to
get up

Systems
Not including regular stuff like rotor brakes and flight displays[i/]

Avionics & Control
  • Full-glass cockpit with:
  • 5x 10-screen independent multi-function displays (touchscreen)
  • Control switch, fuel level and aircraft alerts screens
  • Audible alerts for: Pilot control swap, autopilot/altitude set activation, rotor RPS warning, radio PTT on & off, aircraft alerts, low fuel (with reminders), refuelling complete and beacon locator detection.

  • Pilot NVGs stocked behind seats*

  • Auto-pilot and target altitude hold (altitude set) (auto-hover & present altitude hold permanently engaged)



Search & Rescue
  • Stabilised, IR capable SAR camera

  • Emergency Beacon Locator

  • Port & starboard quad para-illumination flare launchers

  • 2x 20m winches, one rescue, one utility.
    Controllable by digital fold-away control panel at door and by pilots The control panel and winch light will remain active if winches are extended even if the panel is retracted by the switch, panel will then auto-close once both winches are fully reeled in (if panel is retracted)
    - YOU DON’T FALL OUT! Handholds and Internal winch to pull the harness into the cabin if all else fails.
    - To use pull-in winch:
    1. Winch up casualty to doorway
    2.Extend pull-in winch (on a toggle, rly quick) and connect to harness
    3.Retract pull-in winch and extend main winch a tad
    4.Casualty gets out of harness
    5.Disconnect the two winches from each other and reel them both back in all the way

  • Binoculars, NVGs, flare gun and handheld beacon locator for rescue crewmen

  • Full complement of medical equipment

  • Plug-and-play 20m cargo winch, will immediately work with any attachment containing a microcontroller that takes inputs from a 2x2 touchscreen (link composite input and video to the connector and it will feed through.
  • Mag-alls for dead-weight cargo carry integrated with the connector The mag/all connector is held against the hull, open the control hatch and disconnect it (can do from inside) before using, then reattach (can from inside) after.



Crew comfort, safety and communications
  • 2 Independent long range (huge antenna) radios

  • Crash escape system: Upon submergence or manual activation (buttons in pilot footwells):
    Para-Illumination and smoke flares are fired, rotor brake enables, all doors open and cockpit side-windows blow out for quick escape

  • Emergency wearable strobes stocked behind pilots’ seats and throughout the cabin

  • Personal intercom radios for all crewmen

  • Cabin PA system that can broadcast 2-way conversations from radios 1 or 2, intercom radios or direct announcements from cockpit

  • Door lights and ledge indicators

  • Heaters and internal lights with night-light mode (dims internal lights and disables door lights)



Propulsion, electrical and fuel systems
  • Freewheeling units enable independent startup and idle/disabled engines without draining torque from the driveshaft. Due to Stormworks physics doesn’t allow autorotation https://www.danubewings.com/freewheeling-unit/

  • Folding tail: Will only fold when shaft RPS is near zero

  • Helicopter-in-flight refuelling allows tanking up from ships where the helicopter is unable to land
    (due to pad size or bad weather)
    https://www.youtube.com/watch?v=IoeE6ofxiqo
    SHIP REQUIRES HIGH PRESSURE FUEL HOSE, 20m MINIMUM with 2+ small pumps
    1. Lower the secondary winch.
    2. Attach a fuelling hose from the deck winch to the hose anchor on the end of the secondary winch
    3.Retract winch with the fuel line attached (line must be paid out)
    4.Stand in side-door, detach fuel line from winch and plug into fuel port
    5.Refuel! (Refuel pump switched on at internal fuelling port)

  • Internal fuel connection allows modular fuel tanks in the cabin to extend range
  • Refuelling pumps allow tanking up from any source.

  • 6304L main fuel tank, realistically located under-floor. (No fuel in engine spaces!)

  • 812L reserve fuel tank

  • Fuel tanks emptiable from internal port

  • External service hatch

Airframe Stats
Key airframe stats:
  • Dimensions (brackets are IRL values):
    Tail and rotors extended:
    • L airframe: 19.5m (19.3m) L inlc. rotors: 21.75m (22.75m)
    • W airframe: 4.25m (4.55m) W incl. rotors: 17.25m (18.6m)
    • H (gear down): 5.75m (5.2m)
    • Rotor diameter: 17.25m (18.6m)



    Tail and rotors folded (hanger space required):
    • L: 16m (15.75m) -3.5m on extended
    • W: 5m (5.2m) +0.75m on extended
    • H (gear down): 5.75m (5.2m)



  • Airframe Weight: 3945 (wet)
  • Max Payload Weight (assuming regular fuel load, no modular tanks): 6406
  • Max-takeoff weight total: 10,351
  • Top speed: 100knots (0 wind speed)
  • Endurance:.-- (at max speed), -- (in hover)
    Fuel prediction software isn’t tailored yet, will be fixed in the next week
  • Max range: 150km+ (at max speed)
  • Realistic nose-up hovering posture

  • Crew: 4 (Captain, Pilot, winch/camera operator, rescueman) Can be effectively crewed by 2 people, awkward but doable with 1.
  • Casualty capacity: 8 seated, 1 in medical bed. Can be increased if cargo rail access or medical bed aren’t needed
Notes, future updates, credits, permissions and other pictured vehicles
Known issues (Please drop a comment if you find any):
  • Cockpit blowout windows slide a bit (gripper brake bug?) and will not always detach when activated on desyncing servers.
  • Rotors:
    - Due to a clipping bug, the rotors will break off if it loads in as part of the world when they’re
    extended- fold the main rotors before saving & exiting.
    - Sometimes on desyncing servers, the rotors will start colliding with the fuselage. Caused by
    some trigger that makes the rotor hub pivot go floppy. I don't know why but it rarely happens.
    Destroys rotors if damage is enabled.

Future updates:
  • Handhelds will be added a day or two following the update.
  • Will mostly be software additions & refinements as I learn lua, but I’ll also keep it updated with the latest blocks as much as I can.
  • Not including a deadman’s switch ever. Get gud
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https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2213181424

Huge mentions for Uran_Wind for lots of help in stabilising the heli and RedMaster for teaching me some of the lua.

Also thanks to Trapdoor, Cake, Woohoo18 and others for helping me on the discord, it was invaluable.

Component credits:

If you like any of these please download from these links, they’ve all been modified to varying degrees in the AW101-SW so taking them from this aircraft won’t give you a clean version.

Custom versions and cannibalization:

You’re welcome to take ideas/inspiration/controllers to use and reupload in your creations so long as credit is given and you’ve linked this page! But don’t reupload ideas/inspiration/controllers as lone items unless I’ve given permission.

Feel free to create your own custom variants (that aren’t SAR), but please tag me as a contributor if you publish and link to this (or the stock airframe) page. I’ve uploaded a generic unspecialised airframe (SAR equipment and colour scheme stripped out) and will link your variant on the page with pictures so it can be a central reference point.

Will do reskins on request



Interested in cooperating with someone who knows weapon guidance on a sub-hunter variant when I’m back home again in a few months, pm if interested.

Featured Vehicles:
SICG Roden-class lifeboat:
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2092552010&searchtext=SICG
Patrol Vessel SR-42A
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2179842531&searchtext=SR42
Fat Bambi Heliborne Firefighting Bucket
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2200745542
37 Comments
Woutheut 20 Jul, 2021 @ 12:27pm 
@BorkTheBorkBorkNom There's a rotor brake switch somewhere on the console above you. Make sure to turn it off before you take off tho
DoogleDoodle 15 May, 2021 @ 8:07am 
how to i stop the rotors?
TomDRV  [author] 12 May, 2021 @ 3:13pm 
@Woutheut Good point, I'm not sure if people still use it though? I need to rethink for the next heli now. I' will leave this as it is though, I want to avoid updating parts unless I do full revamp of the whole thing that I'm not that interested in doing! (Would rather build a complete successor)
Woutheut 21 Apr, 2021 @ 10:41am 
The in flight refueling system is a bit odd since its very hard to attach the hose to the socket on the side of the heli, I'd reccomend changing back to the hose connector for the winch, like in the video.
TomDRV  [author] 18 Oct, 2020 @ 10:21am 
under workshop items
osama bin quifin 18 Oct, 2020 @ 9:56am 
where do i find this in custom mode i cant find it on the bench?
TomDRV  [author] 12 Oct, 2020 @ 12:13pm 
Trk is the beacon locator, cabin heaters on on the heater button on the roof, the rotor brakes help slow the rotors after shutdown. :)
Moon Truther 9 Oct, 2020 @ 1:28pm 
what does the rotor brake do? disable freewheel?
LONK 6 Oct, 2020 @ 2:26pm 
How do you get the cabin heaters to work? i can't find a switch or anything
Toad 1 Oct, 2020 @ 7:57pm 
what does the TRK option do and how do i use it?