NTP2
Well-Known Member
I need to sim the loc cyclotron but I have conflicting answers for if open rocket supports tube fins. Help is appreciated.
Do tube fins work in latest version of openrocket?
- Thread starter NTP2
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Recommend installing the new beta for best tube fin accuracy.
https://www.rocketryforum.com/threads/wanted-beta-testers-for-the-next-release-of-openrocket.181945/
https://www.rocketryforum.com/threads/wanted-beta-testers-for-the-next-release-of-openrocket.181945/
NTP2
Well-Known Member
Ok thanks.
NTP2
Well-Known Member
I just realized that it is a private beta and I am not qualified to test something so should I just get version 15?
lakeroadster
When in doubt... build hell-for-stout!
Yes if you insert them as "Tube Fins". Don't insert them as a "Pod" of body tubes.
Download Version 22.02
NTP2
Well-Known Member
I know that the fins work, I am worried about how accurate they are. Since I am under a tight limit on altitude.
lakeroadster
When in doubt... build hell-for-stout!
Tight limit... based on what? Self imposed or 
.
.
NTP2
Well-Known Member
I is complicated but the short version is that my local club lost the launch site and I need to make it a class 1 and small altitude for flights on a small site.Tight limit... based on what? Self imposed or
lakeroadster
When in doubt... build hell-for-stout!
Yikes. Maybe pick another rocket then? That's a beast.
NTP2
Well-Known Member
Go get the beta. For that rocket the differences might be small but still, go get it.
NTP2
Well-Known Member
How, I don’t see it on the GitHub page?
There’s a link in the thread I posted above.
https://www.rocketryforum.com/threa...ext-release-of-openrocket.181945/post-2485802
https://www.rocketryforum.com/threa...ext-release-of-openrocket.181945/post-2485802
Sooner Boomer
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My experience (including with tube fins) is that OR is optimistic about altitude prediction. I use a tracker (GPS) and ejection altimeter (baro) on most flights, and both read lower than OR's prediction.
NTP2
Well-Known Member
I don’t know the specifics but the apogee is recommended by my mentor to be under 1500 feet.
Edit I haven’t been told anything about the search for a new one.
Edit 2 I will get the 4” with adapter to 38mm
Last edited:
NTP2
Well-Known Member
Ok thanks I will try the dark mode.
That doesn't sound right.
Per Rocksim an H123 will take the Cyclotron to just under 1500 ft, not 15,000.
Edit: that's for the 3.1 inch. The 4" would be even lower.
NTP2
Well-Known Member
The 1500 is right it was a mistake edited.
22.02 has the broken tube fin code. It is fixed (I hope!) in the beta; go ahead and download and use it.
lakeroadster
When in doubt... build hell-for-stout!
I just downloaded 23.09. Multiple bugs:
Doesn't show Optimum Delay in Flight Simulations
Doesn't show Apogee, Max. Velocity or Max. Acceleration in pictorial representation view
3D Figure, 3D Unfinished and 3D Finished views don't work
I'm switching back to 22.02
NTP2
Well-Known Member
Already done and already had a bug
I submitted a report.
NTP2
Well-Known Member
Not for me, but this is not the thread for that.
In Windows you need to enable off-screen rendering for the 3D stuff. That’ll be fixed in the final released.
Not sure about the other stuff you’re seeing. Can you post the file and/ir show a screen shot? Probably best to do it in the beta thread.
Ah! Just finally figured out how people are getting that. If you only save summary data, then when you reload the design the optimum delay column isn't populated. If you rerun the simulation, it'll populate it.
That's configurable. In the Plot/Export dialog, you can select the flight events you want displayed.
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