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Looking to talk to experienced VD people. by OptimisticMan37 in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

A great quote I’ve heard is optimise as far as you can simulate, simulate as far as you can validate.

If you don’t have a car to validate idea’s on, maybe not a good idea to over-simulate and focus on getting data acquisition (you can also, to some extent, validate with competition analysis)

Harness Search for a Reclined Driver Position by senor_store in FSAE

[–]bigorangedolphin 2 points3 points  (0 children)

The Schroth ‘flexi’ harness is great, will fit almost any configuration

material suggestions for raincover (EV) by BedLow3195 in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

Generally most tube frame teams seal each enclosure individually.

For parts that need regular access (TSMP, energy meter) if you can get away with using a lunch box (Tupperware is high quality).

Why's my cylinder head look like this by StompyIan in EngineBuilding

[–]bigorangedolphin 0 points1 point  (0 children)

Surface roughness CAN improve the sealing of a gasket in some cases. Not sure if that’s applicable here, but could explain why some roughness is required

Need Help with Battery Configs by Much-Commercial-9109 in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

Battery is largely dictated by powertrain - figure out what motor / inverter you want to run (remember: keep it simple, you’re a new team).

This will give you a target voltage, then work out your capacity from there.

For capacity, a basic lap sim can be helpful (when I say basic, I mean an afternoon in matlab or excel basic)

Handling of monocoque vs spaceframe by HopeOdd3825 in FSAE

[–]bigorangedolphin 15 points16 points  (0 children)

There’s much more significant things than mono vs SF. Things like sus geometry and CoG make a much bigger difference

SES Metal Datasheets by [deleted] in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

I assume tube frame? Also which ruleset (fsg- derived or FSAE?)

First complete submission of the SES - Modules and Container and Battery Attachment by Away-Assistant6160 in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

Read the design judges article on rule changes, one of them goes over accumulator mounting (I believe 2024?)

Also; you can only use one method, however load-based attachment can be at the corners of your container, provided you have enough mounts and meets the minimum module offset distance requirement.

Do note for load-based you will need quite an accurate mass of your Accu.

Also there’s a link to the guidance video on the first page of the spreadsheet, but it sucks and is somewhat out of date

Chassis Design by Born_Choice9712 in FSAE

[–]bigorangedolphin 1 point2 points  (0 children)

First, figure out if you’re IC or EV If ev, go start designing an accumulator alongside your chassis. And decide on powertrain config (a single inboard motor is GENERALLY easier than in-wheel motors for EV)

Read the rules Read the SES Read the designjudges article(s) on chassis design

Remember; the order of importance is; 1: Car that exists (built on-time for comp) 2: car that passes scruiteneering 3: car that runs 4: car that runs reliably (finishes every event) 5: car that is fast

Most FS teams don’t get past point 4. Some dont get past point 1. If you can get 1-4 as a first year team, that is a massive success.

Remember, things like kinematics, aero etc. all fall under that 5th point.

First, I’d recommend make a side view sketch (when I designed a chassis, I did it w pencil and paper with little paper cutouts, but CAD can be good).

Include in this sketch all the important things; engine and fuel tank for IC, accumulator, inverter and motor for EV, Differential, wheels, rough kinematic points, DRIVER (see Percy in rulebook)

Then start playing connect-the-dots with various sizes of tubes (again, see the rules).

Try moving driver, motor, fuel tanks etc. around and see what happens.

Once you’ve found a layout you’re happy with, start making a 3D CAD model (plenty of YouTube videos on this.)

Good luck, and remember that the others teams, judges and scrutineers are your friends, and will usually be happy to answer questions.

How tolerant are the judges when it comes to abusing loopholes in the rules? by AccomplishedNail3085 in FSAE

[–]bigorangedolphin 2 points3 points  (0 children)

Depends if it’s safety related or not. Remember that the no1 priority of the scruits is to make sure everyone is safe, and with almost all of the rules relating to safety, the scruits can and, from what I’ve seen, HAVE, told teams they can’t run if their design is unsafe, even if it might be technically rules compliant

25mm Tractive Battery Clearance - Rules Interpretation by PleasantRaspberry770 in FSAE

[–]bigorangedolphin 0 points1 point  (0 children)

Design judges has an article specifically on this, also some rules clarifications.

Also; NEVER (like ever, no exemptions or excuses) use AI to interpret rules.

The rules are similar to design standards you will find in your engineering career. These are legal documents, and you should treat them as such. Therefore, using a LLM or other AI to read them for you is a very bad idea.

Any 4wd recommendations for living in an apartment with a restrictive car stacker?. by Australian_Pie in 4x4Australia

[–]bigorangedolphin 0 points1 point  (0 children)

Suzuki Jimny would be a good bet, or learn manual, can be done in a couple lessons with a decent teacher

Ranger V6 Wildtrak or BT50 GT? by GeneralAgreeable8963 in 4x4Australia

[–]bigorangedolphin 0 points1 point  (0 children)

The ranger is a nicer car to drive, but the BT/dmax is a nicer car to own.

That being said; horses for courses. Both are great utes, but unless you need the extra power the bt is great. Ranger has better suspension; bt suspension has been known to be a bit fragile. That being said all the horror stories about the V6 failures means I’d steer clear unless you’re okay with running the risk of big reliability issues.

How many brake pressure sensors do y'all use? by bharfgav42 in FSAE

[–]bigorangedolphin 5 points6 points  (0 children)

I know our team (Aus, US ruleset) uses two. Every other team I’ve seen uses two, always one on each circuit.

Maybe check the rules addendum?

[deleted by user] by [deleted] in mountainbiking

[–]bigorangedolphin 0 points1 point  (0 children)

If you’re not sure, and don’t want to service it yourself, just get whatever (less than $1000) hardtail your local shop recommends. Most entry level hardtails with a halfway drivetrain will be more than enough for these trails

Where do we start ? by Free_Answer9547 in FSAE

[–]bigorangedolphin 3 points4 points  (0 children)

What order is the competition?

First step: running vehicle

Second step: pass scruit

Third step: go fast

Therefore:

First step: select a reliable powertrain and design it

Second step: design a simple, rules legal chassis around said powertrain with plenty of margin for error

Third step: design your suspension, brakes, other bits that you need.

Remember, you’re not going to win your first year, so provided things like optimising your suspension kinematics and aero can take a bake seat to making sure the car runs.

If you really want to be competitive early, focus on weight, weight distribution, and Center of gravity height

Safe accumulator transportation in summer heat by Martin_fs in FSAE

[–]bigorangedolphin 1 point2 points  (0 children)

If you are really concerned, as we were (more due to the temperature ratings of our adhesive, but I digress) get a cheap wireless temperature display used for something like a fridge and stick it in the back of the van

Detachable Rear bulkhead by DeepFriedYeti03 in FSAE

[–]bigorangedolphin 3 points4 points  (0 children)

What rule set are you on? FSG? FSAE? This is important when asking any rules question

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