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Connecticut HSM Group

Last Modified: 21 August 2016 02:41 MST

April 2010 Group Photo

April 2010 Group Picture

Home Shop Machining in Connecticut

There are hobby machinist groups scattered around the USA including a small HSM group in Connecticut. Our CTHSM group is congenial and freewheeling: no rules, no dues, just people getting together to learn new techniques plus share thoughts on machining and other topics that arise. Meetings are held in member shops, nominally on the second Sunday of the month at 2pm. Anyone interested in attending a meeting please contact me (via the link below on this page)for more info and travel directions.

The August 14th meeting was at the CTHackerSpace in Watertown, hosted by Wade Barocsi and Matthew Hubbard. CTHackerspace has a 4000 sqft facility which houses equipment for wood working, metal working, electronics assembly and troubleshooting, 3D printing, robotics, etc. - providing support for many hobbies. There were 3 different designs of 3D printers built by members of the Hackerspace Group on display.

Matthew demonstrated some of the CTHackerspace capabilities by printing a plastic pattern for a small flywheel on a 3D printer, then showed how this pattern could be used to sand cast the flywheel in aluminum.

At left is the cope and drag after separation and removal of the pattern. At right the cope and drag have been put back together and the aluminum is being poured. A small electric furnace was used to melt the aluminum. Excess metal is poured into the muffin pans for use at a later time.

And here's the result along with the plastic pattern - this was Matt's first try using a 3D printed pattern and it came out well. The metal was still quite warm when this picture was taken. Some of the Petrobond sand in contact with the metal turned black and clung to the metal; it will be removed when the metal is cool and the flywheel will then be separated from the sprue.

CTHackerSpace allows the public to visit and use their machines (with supervision) on Wednesday evenings and weekends by appointment or see their site for how to become a member. There's a lot of capability in this facility and its members have broad expertise, worth looking into for those who live close enough to take advantage.

The September 11th meeting will be at Ted's shop in New Hartford.

As usual, bring items for demonstration and/or discussion. Plus items for the sale/swap/free table.

Home shop machining is often a solitary hobby, as are most hobbies now according to "Bowling Alone". The CTHSM group is an attempt to get area HSM's to know one another and thus make our hobby a little less solitary.

The much larger NEMES HSM group is 2-3 hours away so we share some members and occasionally have visitors from that group.

CTHSM Meeting Schedule

The CTHSM group has been meeting since November 2008, mostly on the 2nd Sunday of the month at 2pm, but we deviate from this with some regularity. The January meeting is not held since Cabin Fever conflicts, February has seen a couple meetings cancelled due to weather, the May meeting is on the 3rd Sunday to avoid a conflict with Mother's Day, and we don't meet in July because many members are on vacation. Over time our meeting schedule has become predictably irregular...

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Pictures from our unusual "Music Machine Meetings"

A Few Pictures from prior CTHSM Meetings

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