Re: KR> Melting lead

2017-02-02 Thread Mark Wegmet via KRnet
Forgot to mention - not a household oven, but an industrial oven - 63/37 SnPb weighs in at about 570#/cu. Ft. -Original Message- From: KRnet [mailto:krnet-boun...@list.krnet.org] On Behalf Of Mark Wegmet via KRnet Sent: Thursday, February 2, 2017 6:38 PM To: 'KRnet' Cc: Mark Wegmet; 'Sid

Re: KR> Melting lead

2017-02-02 Thread Mark Wegmet via KRnet
If it is a true eutectic, you can put it in an oven set at 425F - 63/37 SnPb melts at 361F. If you have a ladle and are VERY careful with appropriate PPE, you can transfer it to your new pot. If your old pot has a "drain" set up, again, with proper PPE, you can 'dump' it into the new pot.

Re: KR> Melting lead

2017-02-02 Thread Bill Jacobs via KRnet
At work we salvaged a large amount of silver solder from a failed solder pot by using mapp gas instead of propane on the surface. That choice was driven by the shear amount involved.  Propane would have worked just fine.Regards, Bill Jacobs Daytona Beach, Fl. On Thursday, February 2, 2017

Re: KR> Cockpit vacuum gauge

2017-02-02 Thread Jeff Scott via KRnet
    Jeff said, > "I don't think the manifold pressure gauge [vacuum gauge] is going to tell you much other than your throttle setting for a given altitude." It won't even do that if you fly wide open throttle - which if above 8K I assume everyone does. Steve Bennett had a chart that showed

Re: KR> Melting lead

2017-02-02 Thread Sid Wood via KRnet
Lead can be melted with direct application of a propane torch. That does tend to oxidize the lead, so you do get more slag. Solder is a mixture of lead and tin. These will oxidize at different rates under the torch flame. That could change the mixture ratio of the solder. Maybe not a big

KR> Cockpit vacuum gauge

2017-02-02 Thread Mike Stirewalt via KRnet
Jeff said, > "I don't think the manifold pressure gauge [vacuum gauge] is going to tell you much other than your throttle setting for a given altitude." It won't even do that if you fly wide open throttle - which if above 8K I assume everyone does. Steve Bennett had a chart that showed what

Re: KR> Melting lead

2017-02-02 Thread brian.kraut--- via KRnet
That is exactly what I did, plaster of paris molds that were baked in the oven to get the moisture out. I think I made the initial male mold out of wax if I remember correctly then poured on the plaster of paris to make a female mold then baked in the oven and poured out the melted wax to get my

KR> Why messages appear empty - it's probably not "plain text"

2017-02-02 Thread Mark Langford via KRnet
The number one reason why posts show up with nothing in them is because the message was sent as HTML, rather than plain text. The system doesn't pass HTML because HTML requires a lot more bandwidth to transfer, which means higher data rates (which is important for folks with limited data plans or