tracked vehicle vibrations
tracked vehicle vibrations
(OP)
Not much response on mechanical on this one, so I try here
I assume my main vibration input to my tracked vehicle (defence)innstalled equipment will originate from the tracks traversing a paved road. Of course, we want to install the equipment on as many vehicles as possible. (The sales people will take care of that!)Does anyone know of the vibration levels generated by these vehicles. Specifically: Are the frequencies generated by these vehicles very different? (Like Abrams, M113, Bradley, Leopard etc.) Are the vibrstion levels generated very different. My question really turns down to: Will I have to design for all the different vehicles, or is there a common vibration spec for this type of platforms?
Thanks for any help.
I assume my main vibration input to my tracked vehicle (defence)innstalled equipment will originate from the tracks traversing a paved road. Of course, we want to install the equipment on as many vehicles as possible. (The sales people will take care of that!)Does anyone know of the vibration levels generated by these vehicles. Specifically: Are the frequencies generated by these vehicles very different? (Like Abrams, M113, Bradley, Leopard etc.) Are the vibrstion levels generated very different. My question really turns down to: Will I have to design for all the different vehicles, or is there a common vibration spec for this type of platforms?
Thanks for any help.





RE: tracked vehicle vibrations
MIL-HDBK-767 (available on the net) has some information on 'noise' but not sure it quite meets your needs.
Mil-std-810 (also on the net) might be of use but I don't think will have the explicit info you ask for.
Not sure about your tracks on paved road assumption.
You may want to try contacting one of the vibration test houses that may have information.
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
TTFN
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RE: tracked vehicle vibrations
It's been a while since I looked at it but I wasn't sure if it did or if it gave spectrum to test against. It may seem a bit tomato/tomatoe but I seem to remember actual requirement specs only calling up certain tests or portions of tests etc.
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?
RE: tracked vehicle vibrations
TTFN
FAQ731-376: Eng-Tips.com Forum Policies
RE: tracked vehicle vibrations
I remember having 'generic' aircraft stores spectra etc. and I just wasn't sure if there was similar specifically for tracked vehicles.
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?
RE: tracked vehicle vibrations
It then refers to ITOP 1-1-601, which will give tested values for M109, M110 and M113. That's all I can find in 810.
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
kenat, if i remember correctly you said somewhere that you were from uk. were you by any chance (from your post) employed by BAE and if so may i ask why did you quit? because more and more work is being transferred to the US?
RE: tracked vehicle vibrations
The M113 is considered to have the most severe vibration environment of all U.S. Army tracked vehicles. The track-sprocket wheel reaction and the track-idler wheel reaction are the chief sources of vibration. For tracked vehicle vibration consider; MIL-STD 810F, Method 514.3 Category 1.
In this forum we can't post the measured response data.
Slope of a log/log fatigue or S/N curve
– Per MIL-STD-810F:
• Many materials exhibit exponents between 1/6 and 1/6.5
• Wide variation based on degree of conservatism desired as well as material properties
• Sophisticated analyses based on fatigue data (S/N curves)
for specific materials should be used when practical
RE: tracked vehicle vibrations
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?
RE: tracked vehicle vibrations
If you are designing for a specific customer they should supply the requirement. If you are designing a product on your own dime to put on multiple vehicles, qualify it to teh "worst" vibration specification and then do a qualification by similarity for other platforms.
RE: tracked vehicle vibrations
Thanks again.
RE: tracked vehicle vibrations
RE: tracked vehicle vibrations
You can always do your testing to assumed "worst case scenario" but your best bet is to get some input on the levels. If you have to qualify your materiel according to a contract it may be stated there. Good luck.
RE: tracked vehicle vibrations
We have done some tests on the CV90 (from BAE/Hägglunds), but we cannot tell if it representative for other vehicles. We are specifically interested in the vibration pattern on the Abrams vehicle.
Do you know of any data available?
RE: tracked vehicle vibrations
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These won't give exact levels but hopefully will help. For exact levels you will need to contact an Army representative directly, and no doubt have to sign non-disclosure documents.
RE: tracked vehicle vibrations