Solenoids - "FIRST FRC Legal" part sources & recommendations

(I’m posting here since a “Solenoid” is apparently a “Motor”
Also so it is NOT confused with a Pneumatics class part…)

I’m seeking "FIRST legal Solenoids… as stated above.

Quoting "R501 Allowable Motors” citation, as to what you CAN use:
… “Electrical solenoid actuators, no greater than 1 in. (nominal) stroke
… and rated electrical input power no greater than 10 watts (W)
… continuous duty at 12 volts (VDC). If qualifying actuator is then
… used at 24V, it must be approved by the manufacturer for use at 24V.”

In the past, teams have harvested trunk opener solenoids, et al.
Can members here help me by citing sources that

  • meet the above specs, and
  • are “reasonable” in price

Ex: What parts/sources, et al would you’d recommend? (IE door locks, trunk releases, raw electrical solenoids, etc.).**
Has anyone found FIRST legal car parts (or COTS/OEM), ie a SPECIFIC car make/model/year trunk release that’s worked for them in the past, etc?

How about Digikey parts, harvested from something else, et al?

If automotive, PLEASE cite a car make/model/year or vendor make/model, so we can find them at a junkyard, store, or repair parts vendor! (ahem… “ARA [Automotive Recycler Assn] location” :wink:

Thanks!

  • Keith Mc - Mentor (and Sponsor through ACTI) - FRC 6101, Strange Quarks.

Technically, it’s an actuator. The pneumatics parts apply that actuator to control air. Pedantics aside, I’ll just point you at the good ol’ yellow everything store…

(I can’t say my teams have ever used these. We tend to use pneumatic pancake cylinders for short-throw stuff.)

[quote=“EricH, post:2, topic:425880, full:true”]
Technically, it’s an actuator. The pneumatics parts apply that actuator to control air. [/quote]

Yep, I know, and agree. I’m just poking fun at the rules, citing it as one of the “allowable motors”. Trust me, I’ve pushed for years to include items like solenoids as legal actuators.

(An aside: As junkyards can’t look up a Manufacturer’s P/N, I’ve also asked FIRST at least once annually for over a decade to cite at least ONE year/make/model of vehicle in the Manual, that uses/used each of the “legal” automotive motors, . But… they STILL refuse to add that. That’s OK for teams WITH one, but it makes it impossible for NEW teams to use “vintage” automotive motors… But that’s not THIS thread.)

[quote=“EricH, post:2, topic:425880, full:true”]
I’ll just point you at the good ol’ yellow everything store…

(I can’t say my teams have ever used these. We tend to use pneumatic pancake cylinders for short-throw stuff.) [/quote]

Yea, MMC has a couple (nice cite BTW), but we’re talking $50-hundreds.

Some teams have done things like hack an automotive trunk latch.
I was hoping some of those guys may show up here and tell me which ones are legal!

  • Keith

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