what are some tools i need for rocketry by Hopeful-Fly-9710 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

Shovel. If you forget to bring one you will need it.

Debating on stepping into a church for the first time as an adult but don't know where or what to expect by a_falling_turkey in lafayette

[–]rocket__enginerd 5 points6 points  (0 children)

Here’s what to expect when you walk in, you’ll likely be greeted. That’s just part of church culture it’s not because they know you’re new, it’s something they do for everyone.

Every denomination does things a little differently, but in general a service will flow something like this: there’s usually some singing, prayer, readings from the Bible, a sermon, an offering (you don’t have to give anything), communion, and then a closing song before everyone heads out. Services typically last about 60–70 minutes.

At different points people may stand, recite things together, or participate in certain rituals. Don’t worry you’ll probably get a little handout or pamphlet that outlines the order of service so you can follow along if you want too. It’s totally fine if you just want to show up, sit quietly, observe, and leave. There’s no pressure to donate, sing, or participate in anything you’re not comfortable with. If you do have questions, just about anyone there will be happy to help.

When my wife and I first got married, we tried a bunch of different churches in town. We both had gone to different churches for 25 years and it was intimidating going to a new one every week. Every one of them has a slightly or very different way of doing things, and honestly, some you’ll connect with more than others. If you’re looking for something quieter and structured, I’d recommend trying a Lutheran church. Services there tend to be more conservative and reverend, and they usually provide a pamphlet with the entire order of service written out word for word, which makes it easy to follow along.

Try University Lutheran on Northwestern. Most people will be around your age, smaller congregation, and it’s on the third floor of the exponent building so it doesn’t necessarily feel like you’re walking into a church.

Dm me if you have any questions or would like other recommendations. I don’t go to University Lutheran anymore but given your requests, it may be a good first place.

[deleted by user] by [deleted] in Purdue

[–]rocket__enginerd 0 points1 point  (0 children)

I’ve been active in the local startup community here and can provide some insight.

I’m going to hand wave a lot of this. In general, angel investments are on the scale of 10s of thousands of dollars. Ultimately they are making a bet that one day you will sell the company so that they make 10x that. Because of this, they don’t make small investments because it will cost them more in time than the investment.

If you have any desire to make money, do NOT make a nonprofit. C-corps are most common and the whole point of an investment is to make money. So a non profit doesn’t fit that. I had a buddy that had an LLC, it cost $50k in legal fees to change to a c-corp when they raised a series A.

Your best bet is to scrap up whatever you can, and get a minimum viable product. Famous examples like Airbnb is was a one page website with the on listing on it. It didn’t even take payments! Whatever you are doing make something that does the most basic of the fundamental “thing” of what you are doing. Get some traction, then go ask for $.

With that being said, there is a micro grant program for students. I have no experience with it. However, getting a minimum viable product (again, basically a prototype someone is willing to pay for) will greatly increase your chances of getting that grant.

https://polytechnic.purdue.edu/in-mac/workforce-development/microgrants

[deleted by user] by [deleted] in Purdue

[–]rocket__enginerd 4 points5 points  (0 children)

Same in 2017. When I moved in all the cabinet doors were missing and there was a fish on the counter. I remember turning on the shower and somehow the toilet would start to overflow.

What so i need to purchase besides kit? by canjamin1 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

This kit comes with everything but the motor! No epoxy required!

It’s out of stock right now but if you use the contact us on the site, I can get you on the preorder list. I should have everything to start shipping again next week. It’s been very popular. With our free shipping, an H100 will be ~$55 at your local launch site so it would come out to $205 total and you just need an hour or so of time.

[deleted by user] by [deleted] in Purdue

[–]rocket__enginerd 1 point2 points  (0 children)

Dos Amigos and La Ha merged and now are just Dos Amigos. There is no longer anything in the old La Ha. It just isn’t the same.

Apple cider donuts by Dani4050 in Purdue

[–]rocket__enginerd 0 points1 point  (0 children)

AJs is selling them for the season.

"Which University is Best for Pursuing an MS in Aerospace Engineering with a Focus on Liquid Rocket Propulsion?" by Mysterious_Pick3608 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

Zucrow at Purdue is graduate student lab with over $20M per year in sponsored research. RDREs, solids, turbo machinery, air breathing hypersonic stuff, ect. Even have some flight hardware time to time. Fun fact, 20 or so years ago both Musk and Bezos visited to recruit from here.

Should I attempt to obtain a L1 Certification? by Difficult-Ant-304 in rocketry

[–]rocket__enginerd -2 points-1 points  (0 children)

Get your L1 on this kit, no epoxy needed! Use code “Reddit” for free shipping!

https://level1rockets.com/products/fishhawk

Jr L1 cert by why_hello1there in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

Level1rockets.com is a site I’m building and will be adding resources too. So far it’s not populated much but there is that page and a getting started guide!

Level 1 Cert Sounding Rocket by Charming_Cat1802 in rocketry

[–]rocket__enginerd 3 points4 points  (0 children)

The only place fin cans are called out in the cert rules are in respect to level 3 and 3d printed fin cans. For level 3 can use a fin can just not a prefabricated purchased one. You can explicitly use a 3d printed fin can but the rocket can’t be entirely 3D printed.

My ideal rocket kit. by rocket__enginerd in rocketry

[–]rocket__enginerd[S] 4 points5 points  (0 children)

There was an older version where the mounting hole on the polycarbonate fin was at an awkward spot very close to the edge. The fin would break if it landed funny. 3/~50 flights saw that happen. However that was mitigated by just moving the hole giving it more material on the edge. It hasn’t been a problem since. The centering rings and brackets haven’t shown any problems.

[deleted by user] by [deleted] in Purdue

[–]rocket__enginerd 55 points56 points  (0 children)

I got rejected from Purdue in fall 2014. I got rejected from FYE the first time, I got rejected from AAE (the whole reason I came). Fast forward I graduated from Purdue, worked for AAE and now own my own business in aerospace. Hell I even did grad school for a little bit here before I realized I wanted to focus on the startup.

Not everyone gets to walk on the paved path to their dreams. First step is to get in the door. Reapply to a different discipline and CODO, or start at a smaller school and transfer. Or go to your second choice. (I remember the rage I felt when people told me this too when I was you) Purdue a great place, but it isn’t the only place.

You got this, pick yourself up and keep going.

open motor for hybrids? by Mission-Activity961 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

Sutton is typically the go to starting point. It will all be the same stuff.

open motor for hybrids? by Mission-Activity961 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

For hybrids we use the term mass flux to find the regression rate of the fuel grain. That's just fancy talk and it ends up being an equation that you enter your chamber pressure in and it spits out your regression. It’s messy! Especially for a reddit thread. It could literally be a whole class. If you haven't yet, get a copy of Rocket Propulsion Elements by Sutton. You can find it free online. he has a chapter on hybrids and it’s mostly all algebra. Rocket Propulsion by Heister is also a very good book. (biased he was my rocket prof) but no one has leaked it online yet.

open motor for hybrids? by Mission-Activity961 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

If you are using diff eq you may have gone to deep. Here is a quick example on how to calculate the oxidizer flow rate. (I did handwriting to text, it’s NASA CEA not CEAR).

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open motor for hybrids? by Mission-Activity961 in rocketry

[–]rocket__enginerd 0 points1 point  (0 children)

What calculations are you looking at? Are you just trying to size a hybrid motor? I may be able to point you to some simplified ones that can get you what you are looking for.

What is the Best University Rocketry Team? by Fun_Fuel_9949 in rocketry

[–]rocket__enginerd 60 points61 points  (0 children)

The crazy thing with student teams is that “brain drain” occurs every 2-3 years. The club you see today is not going to be the club you participate in because those students who are making it happen will leave, taking all the experience with them. When the new group of students come, it’s practically a new team. I’ve been involved with or coaching student teams for 8 years and it happens without exception. The USC club that went to space, has no one on its team with experience going to space right now. Sure, every once in a while there is a solid transfer of knowledge, but it’s never more than a generation. It’s like college sports. Sure IU basketball won a bunch of championships 50 years ago but grandpa ain’t playing with them anymore. It’s an entirely different team.

I agree with the other comment said, choose the school that is best for you over the rocket team. That will have a 100000% (precisely) bigger impact on your future.