Tech Talk Live Stream

Greengenes707 · Jan 16, 2016

M0ps said:
We still on for today?

I actually totally forgot. I'm in Portland for the weekend.
After this weekend I have zero travel for the rest of the year and can do some great shows.
I would rather not wing it on the road...content suffers...I was not pleased with last weeks.

So my apologies to everyone. Maybe a mid week one to make up for it and not let the topics/questions build up for 2 weeks.

M0ps · Jan 16, 2016

Thanks for the heads up, I greatly appreciate what you and the others contribute to the community and will gladly wait until it is most convenient for you. Have a good trip.

Greengenes707 · Jan 16, 2016

M0ps said:
Thanks for the heads up, I greatly appreciate what you and the others contribute to the community and will gladly wait until it is most convenient for you. Have a good trip.

I should probably tell them too. We all appreciate the support and interest a lot.

Sorry again guys and gals

Fastslappy · Jan 16, 2016

Yeah this is Not yer day Job , so we do understand

Substance · Jan 30, 2016

Live stream today?

Fastslappy · Jan 30, 2016

yes plz more tech talk

Greengenes707 · Jan 30, 2016

Not today. It's a cup day.

Not much to talk about this week anyways.

Throw down some questions and/or topics here. And we'll see if we can wing a show in the next day or two.

Substance · Jan 30, 2016

Greengenes707 my biggest question/concern is how far to keep my cxb3590s from the canopy. I see some quantum Flux meters In the 350$ range (ouch).

I have 8 cobs on a 12" x 36" heatsink, so they are much closer together than some others setups.

Do you recommend a budget meter?
And I hear up to 1500 is max light you would want on the canopy?

topcat · Jan 30, 2016

OK. Show how to calculate the size of heat sink required for both passive and active cooling. I want to build a lamp with 3 CXB3590, driven at about 40W ea.

This show is easy to sit through. Thanks so much to all for doing this on your own time!

Fastslappy · Jan 30, 2016

this explained calculating a heat sink for me

Fastslappy · Jan 30, 2016

Greengenes707 said:
Not today. It's a cup day.

Not much to talk about this week anyways.

Throw down some questions and/or topics here. And we'll see if we can wing a show in the next day or two.

yeah I forgot u guys are doing the show/cup today
I'm jealous .

those events are a gas & even better with a group of friends .

skorchem · Jan 30, 2016

Greengenes I really appreciate your tech talks and will continue to support them but if you and the other guys are going to continue to make vids please invest in a better camera or setup as your great content is being a bit crappy sorry

get a better camera/ mic bro

Greengenes707 · Jan 30, 2016

Substance said:
Greengenes707 my biggest question/concern is how far to keep my cxb3590s from the canopy. I see some quantum Flux meters In the 350$ range (ouch).

I have 8 cobs on a 12" x 36" heatsink, so they are much closer together than some others setups.

Do you recommend a budget meter?
And I hear up to 1500 is max light you would want on the canopy?

Apogees are the budget. You can get the sensor for about 150$ and use it with a multi meter.
http://www.apogeeinstruments.com/sq-110-sun-calibration-quantum-sensor/
OR the usb version for an extra 50$...
http://www.apogeeinstruments.com/sq-420-smart-quantum-sensor-usb-output/

skorchem said:
Greengenes I really appreciate your tech talks and will continue to support them but if you and the other guys are going to continue to make vids please invest in a better camera or setup as your great content is being a bit crappy sorry get a better camera/ mic bro

Lost my camera in the move. I'll put it on the list

topcat said:
OK. Show how to calculate the size of heat sink required for both passive and active cooling. I want to build a lamp with 3 CXB3590, driven at about 40W ea.

This show is easy to sit through. Thanks so much to all for doing this on your own time!

This is the best way...

I'll touch on it for sure next time

topcat · Jan 31, 2016

Talk about fans. Are ball bearings preferred when using them horizontally, as I've read? Recommendations? I couldn't believe the number of choices to make concerning a simple fan, while researching. More jargon and numbers to learn, too. sheesh.

Fastslappy · Jan 31, 2016

look for a fan with ' fluid dynamic bearings ' that can be mounted anywhere vert/horzi
& the bearing are the longest lasting
ball bearing ;make noise after awhile & then fail
sleeved bearing ; just fail at any time

M0ps · Jan 31, 2016

Can we talk about grounding the heat sink or electrical safety

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