clust-o-matic

Lister · 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.

PK · 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..

vance2loud · 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.

vance2loud · 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.

PK · Postby PK » Thu Jun 16, 2016 10:49 pm

OK, sounds like it might be worth doing a batch. I'll post progress.

Lister · 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?

Sumo310 · 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.

Simon

PK · 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...

Viking · 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.

Lister · 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.

Happy Heyoka · 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?

Happy Heyoka · 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...

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

IIRC, the Clust-O-Matic was good for 50V, 11Amp per channel (N-Channel SFET).

http://www.aliexpress.com/store/product/Diy-Kit-Electronic-Production-IRSF3010S-IC-FET-SMART-SW-50V-11A-D2PAK-3010-IRSF3010-1pcs/1814679_32357274527.html

vance2loud · 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.