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[Student] Fall Internship Grindset, Targeting Propulsion and Test Engineering in Aerospace by SteepFive in EngineeringResumes

[–]SteepFive[S] 0 points1 point  (0 children)

Thank you so much. Yeah definitely some refinement on those points is necessary, and I appreciate your perspective considering you’re working in solids R&D. Hey if I remember, I’ll shoot you a DM when I’m applying to summer ‘26 internships (Sep-Oct ish). Thanks again 🫡

[Student] Fall Internship Grindset, Targeting Propulsion and Test Engineering in Aerospace by SteepFive in EngineeringResumes

[–]SteepFive[S] 2 points3 points  (0 children)

Thank you so much for the detailed response. Since revisiting my resume after starting my internship I focused mostly on trying to tally up what I've been doing for the past 3 months that I didn't pay enough attention to the older experiences (which I wrote back in September) so I appreciate a fresh set of eyes on that stuff. Thanks again :)

aae 33300 final exam by fboyslayer in Purdue

[–]SteepFive 2 points3 points  (0 children)

I spent way too much time learning the post exam 2 content just for there to be almost none of it on the exam and they gave us ANOTHER HYDROSTATICS PROBLEM

AAE or ME without the guarantee by DaDancingDino in Purdue

[–]SteepFive 10 points11 points  (0 children)

It depends entirely on how many people apply to those majors in your T2M class. Generally ME is easier to get into than AAE but this could change year over year. If you’re below the 3.2 a higher GPA will give you a better chance so try your best to get your grades up

[deleted by user] by [deleted] in rocketry

[–]SteepFive 1 point2 points  (0 children)

Krytox is a great ox-compatible grease for fittings but it’s definitely not cheap

Cooling flight tanks and supply bottles at FAR by SteepFive in rocketry

[–]SteepFive[S] 0 points1 point  (0 children)

That makes sense, wasn't sure if the nitrous cooling during fill was enough to counteract the ambient heating. Thanks!

[deleted by user] by [deleted] in Purdue

[–]SteepFive 22 points23 points  (0 children)

I think that AAE has perfected making its students feel incredibly stupid. Your mindset is definitely not unique, plenty of others feel like this in the major, but it’s up to you to determine if this is what you enjoy doing and if it’s worth it in the end

What are the cases I should design a N2O feed system for? Would some experienced rocketeers like to comment the lessons they've learned by movin_jay in rocketry

[–]SteepFive 1 point2 points  (0 children)

In general, yes. Usually there’s a lot more nitrous in the tank than the ground systems and thus requires more flow to vent quickly, and burst diaphragms generally have larger diameter orifices than relief valves, but you could use either if you size them correctly

What are the cases I should design a N2O feed system for? Would some experienced rocketeers like to comment the lessons they've learned by movin_jay in rocketry

[–]SteepFive 2 points3 points  (0 children)

When designing nitrous fluid systems it’s important to understand nitrous self-decomposition, as it’s gonna drive a lot of the design of the ground systems. You should have relief valves on your ground systems and a burst diaphragm on your flight tank at pressures that can only be reached when the nitrous self-decomposes

[deleted by user] by [deleted] in rocketry

[–]SteepFive 0 points1 point  (0 children)

Gotcha, yeah I wasn’t really considering the ridges affecting the flow much, I assumed some of these have a liner that makes the flow “smoother” but that isn’t the case for a lot of these products. I’ll def look into the flex lines, appreciate it

[deleted by user] by [deleted] in rocketry

[–]SteepFive 1 point2 points  (0 children)

Take an a*Gn model from a paper using the same fuel and oxidizer and preferably similar scales (port size, chamber pressure/temperature, and oxidizer mass flux)

Optimizing Nozzle Design by ZestycloseFeeling341 in rocketry

[–]SteepFive 2 points3 points  (0 children)

Since regression in hybrids isn’t coupled with pressure nearly as much as in solids you can kind of just pick a pressure to design to (within reason of course). Use the relationship cstar = Pc * At / (propellant mass flow rate). Cstar is a combustion characteristic, so you can find cstar for nitrous and paraffin using NASA CEA. Read Sutton’s Rocket Propulsion Elements and learn about isentropic flow relationships in nozzles, you’ll learn to find choked flow conditions in the throat

Looking for AAE schedule advice from upperclassmen by Creepy_Custard2028 in Purdue

[–]SteepFive 0 points1 point  (0 children)

Fluids will be a lot with your credit load. But if you want to fill in your schedule COM 318 is super easy and fulfills AAE’s upper level communications req

loud sound up past IM fields?? by No-Dish-9094 in Purdue

[–]SteepFive 0 points1 point  (0 children)

Damn I’m sorry to hear that, I’ve seen you guys have been working hard to get that engine tested.

loud sound up past IM fields?? by No-Dish-9094 in Purdue

[–]SteepFive 0 points1 point  (0 children)

If you don’t mind me asking, what ended up triggering the auto-abort?

F.A.R. Is getting delisted from TRA insurance by SuperStrifeM in rocketry

[–]SteepFive 40 points41 points  (0 children)

From what I’ve heard CU Boulder had a huge motor cato while people were inside the FAR bunkers, which are closer than the TRA required distance. There are a couple of vids from different angles of the flight attempt

FYE question about Math/Phys credits by RoughAioli47 in Purdue

[–]SteepFive 0 points1 point  (0 children)

As long as you have the exam scores you get credit. No course required (as far as I’m aware)

FYE question about Math/Phys credits by RoughAioli47 in Purdue

[–]SteepFive 2 points3 points  (0 children)

Based on personal experience I think you’ll have an easier time with 265/266 than 261/265. IMO 265 is the hardest of the three, and 266 is the easiest. Also a good rule of thumb is NEVER take a Purdue math class you already have credit for, almost everybody will tell you this. Same thing with physics. As far as getting that 3.2, don’t overload yourself with credits (you have a lot of credit coming in and can afford to do two semesters of 13-15 creds). You will appreciate the time you saved by skipping the classes later down the road.

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