iPhone strobe app shows my Mark V runs fast

Forum for Maintenance and Repair topics. Feel free to ask questions or contribute.

Moderator: admin

Post Reply
User avatar
algale
Platinum Member
Posts: 4841
Joined: Thu Nov 04, 2010 8:13 am

iPhone strobe app shows my Mark V runs fast

Post by algale »

I don't own a real timing strobe but I found an app for the iPhone (Strobe Light Tachometer) that allows you to use it as a strobe.

Curiosity got the better of me and it appears my low speed is actually running a bit fast. Rather than 700 rpm I'm getting about 760 rpm (I say "about" because with the free version of the app you can only adjust the strobe in 10 rpm increments).

I've not noticed any performance problems and my mantra is if it ain't broke don't fix it. I'm inclined to leave it be unless someone can give me a reason to worry.

Al
Gale's Law: The bigger the woodworking project, the less the mistakes show in any photo taken far enough away to show the entire project!

User avatar
JPG
Platinum Member
Posts: 35600
Joined: Wed Dec 10, 2008 7:42 pm
Location: Lexington, Ky (TAMECAT territory)

Re: iPhone strobe app shows my Mark V runs fast

Post by JPG »

Well if the resolution is 10 rpm, what is the 'accuracy'?

FWIW belt wear causes speed variation.



Sweat it not! ;)


What was it at 'fast'?
╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
Post Reply