clust-o-matic

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Lister
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clust-o-matic

Postby Lister » Wed Jun 15, 2016 9:46 pm

Hi PK, do you have any of your Clust-o-matic's at the moment? I need one for a project.

Cheers, €Luke.

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Re: clust-o-matic

Postby PK » Thu Jun 16, 2016 8:17 pm

I could probably put one together. Might take a couple of weeks to get some PCB's made though. I'll dig out the files..
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Re: clust-o-matic

Postby vance2loud » Thu Jun 16, 2016 8:39 pm

If you are getting the boards made up, sign me up for two while you are at it.
TRA #15165 AMRS #50
I do it because i can, I can because I want to, I want to because you said I couldn't. - Unknown
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Re: clust-o-matic

Postby vance2loud » Thu Jun 16, 2016 9:17 pm

Only if you have to get the boards made, I probably won't require them till thunda but figure if you are getting boards made I might as well get in now.
TRA #15165 AMRS #50
I do it because i can, I can because I want to, I want to because you said I couldn't. - Unknown
I have not failed. I've just found 10,000 ways that won't work.
- Thomas Alva Edison

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Re: clust-o-matic

Postby PK » Thu Jun 16, 2016 10:49 pm

OK, sounds like it might be worth doing a batch. I'll post progress.
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Re: clust-o-matic

Postby Lister » Thu Jun 16, 2016 11:33 pm

Thanks mate, No rush.. its a big project. I can probably find another half dozen customers for them if you want PK?

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Re: clust-o-matic

Postby Sumo310 » Fri Jun 17, 2016 8:56 pm

I bought and never used a clustomatic years ago, and have subsequently misplaced the unit I had. Put me down for a replacement unit if you need the numbers for a new order PK.

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Re: clust-o-matic

Postby PK » Fri Jun 17, 2016 9:17 pm

Sorry guys, but I've made the decision to step back (further) from hobby rocketry. This means no more making stuff for folks.
The build thread for the clust-o-matic has the schematics and parts, you should be able to put some together.

PK out...
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Viking
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Re: clust-o-matic

Postby Viking » Fri Jun 17, 2016 10:37 pm

PK wrote:The build thread for the clust-o-matic has the schematics and parts, you should be able to put some together.

Not anymore, sadly.
Seems all the offsite hosted images/files etc have gone.
Simon
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Re: clust-o-matic

Postby Lister » Fri Jun 17, 2016 11:29 pm

Oh really.. bugger, I was really looking forward to being able to air start a half dozen motors. Thanks anyway PK, I will see if I can find something somewhere else unless someone has one they could sell me.. it will be going to a very cool/crazy rocket.

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Re: clust-o-matic

Postby Happy Heyoka » Tue Jun 28, 2016 12:34 am

Lister wrote:Oh really.. bugger, I was really looking forward to being able to air start a half dozen motors. Thanks anyway PK, I will see if I can find something somewhere else unless someone has one they could sell me.. it will be going to a very cool/crazy rocket.


If you don't have any serious space constraints I could do a reasonable approximation one with about $20 worth of bits from Jaycar in an hour or two - but it wouldn't be as small or as neat as a PCB.

I'd have to revisit a circuit but basically as I recall a trigger input for some FETs to handle the current for the igniters?

PK - coupla questions:
- read the "whooshtronics" stuff - by "smart FET" you mean the ON Semi parts?
- did you sequence the FETs or chop them or just fire them all at once and hope the power supply is up to it?
Ha ha ha ha ha! You can't fool me! There ain't no Sanity Clause!
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Re: clust-o-matic

Postby Happy Heyoka » Tue Jun 28, 2016 1:01 pm

Happy Heyoka wrote: - read the "whooshtronics" stuff - by "smart FET" you mean the ON Semi parts?


so I found a few of the older threads and to answer my own question, yes, it's like the ones ON Semi (and others) make... but still can find a circuit...
Ha ha ha ha ha! You can't fool me! There ain't no Sanity Clause!
Chico Marx - A Night at the Opera (1935)

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CATO
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Re: clust-o-matic

Postby CATO » Tue Jun 28, 2016 2:41 pm

"In thrust we trust"

AMRS 21 L3
TRA 07459 L3

Impulse:
2018: 7,455 Ns (46% M)
Ns 17: 5,973; 16: 34,558; 15: 35,955; 14: 6,016; 13: 10,208
PB - Gorilla N2717WC, H: 10,260', S: 1.14M

vance2loud
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Re: clust-o-matic

Postby vance2loud » Tue Jun 28, 2016 3:05 pm

From what I could find they used a NIF5003N smartFET 42v 14A.
http://www.ausrocketry.com/forum/viewtopic.php?f=32&t=1974 has a broken link that refers to this.
If someone still has one they might be able to get some photos to help.
TRA #15165 AMRS #50
I do it because i can, I can because I want to, I want to because you said I couldn't. - Unknown
I have not failed. I've just found 10,000 ways that won't work.
- Thomas Alva Edison

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Re: clust-o-matic

Postby CATO » Tue Jun 28, 2016 3:11 pm

"In thrust we trust"

AMRS 21 L3
TRA 07459 L3

Impulse:
2018: 7,455 Ns (46% M)
Ns 17: 5,973; 16: 34,558; 15: 35,955; 14: 6,016; 13: 10,208
PB - Gorilla N2717WC, H: 10,260', S: 1.14M


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