Originally Posted by sewred

My husband uses a Singer 111w-155 and / or a Consew 226 for his upholstery work and they are indeed workhorses. The Singer he got when his father passed away and his father used it daily for 20 years or more.

Originally Posted by Vridar

I've used 92 nylon thread in an 18 needle on a 15-91 making a boat cover. The edge reinforced for snaps was rolled canvas over a polyester webbing. So we are talking three layers of canvas and a webbing penetration. The 15-91 didn't even work hard. It makes a better stitch than my Reliable Barracuda which is a copy of the Sailrite LZ1. I wish I'd tried the 15 before purchasing the Barracuda. Don't give up on the 15. The right combo of thread/needle/tension should easily penetrate 4 layers of Sunbrella, etc. I use the Barracuda only when I feel I'm abusing a machine in a process. I don't abuse my beautiful Singers