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Welcome to IndyRockets

This site was created as a resource for anyone interested in hobby rocketry in central Indiana.

This is also the source for information on the Rocketeers Of Central Indiana (ROCI), Section #625 of The National Association of Rocketry (NAR). Feel free to check here for information about ROCIs launch events. The launch events are conducted throughout the warmer months at the Academy of Model Aeronautics' Headquarters and Aeromodeling Center in Muncie, Indiana. This facility is the finest flying field in the state and ROCI is proud to be the exclusive host of the rocketry events held there. ROCI is not currently conducting meetings as we have lost our meeting place.

Registered users of this site are free to visit our forum pages to discuss rocketry topics and share information with other members.

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New launch equipment 1 year 7 months ago #2702

I've currently got IRF Z44N parts that I'm testing.

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New launch equipment 1 year 7 months ago #2703

A couple of images of what I'm thinking will be a better setup...

Questions? Comments?





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New launch equipment 1 year 7 months ago #2704

Hi Mario,
While i don't mind helping in the testing phase, I am not much help in the design/building phase.

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New launch equipment 1 year 7 months ago #2707

Connectors on top of board, switching devices on bottom. I don't think there is a problem with heat sinks on bottom since "on" time is short. Is there a schematic and/or specification?

Thank you / Robert
Cheers / Robert

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New launch equipment 1 year 7 months ago #2708

I’m working on a new schematic now. the Purpose of the daughter boards is to ease assembly and repair. It will also allow for different boards to be created without a full redesign so you could have one board that handles 3 standard pads and another board that has a single pad with fill and purge for hybrid systems. Other possibilities exist.

Moving the MOSFETs to the bottom gets them out of the way of the connectors. It will also create a bit of a tunnel effect around the components so, if needed, a fan can be added with a thermistor to actively cool them.

Do you live on the east side of Indy? Maybe we can get together and I can show you some of this stuff.

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Last edit: by Mario Perdue.

New launch equipment 1 year 7 months ago #2709

Near Kennard west of New Castle - W. Henry county. Not too far, I can do that. I also have some 12VDC 2" fans I scrounged if needed. Very low current - you could run these 100%.
Cheers / Robert

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