开云体育

BPF's

Ken All Messages By This Member #19442 I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Richard Andrew Knack All Messages By This Member #19443 Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase chase8043@... [BITX20]" wrote: toggle quoted message Show quoted text ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Ken All Messages By This Member #19444 Clear coat is what I have handy. Wanted something quick and easy to use. 73 Ken VA3ABN toggle quoted message Show quoted text On Tue, Dec 27, 2016 at 9:13 PM, Richard Knack ihc73scout2@... [BITX20] <BITX20@...> wrote: ? Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase chase8043@... [BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Thomas Noel #19447 开云体育 MEK will rot your liver in short order without good ventilation. I like a fine drizzle of hot-melt glue, followed by judicious use of a hot air resolder nozzle to melt and spread the glue. Look for the glue gun nozzles used to add binding tape to the edge of carpet: Thomas W Noel KF7RSF toggle quoted message Show quoted text On Dec 27, 2016, at 6:13 PM, Richard Knack ihc73scout2@... [BITX20] <BITX20@...> wrote: Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase?chase8043@...?[BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Ken All Messages By This Member #19448 Thanks Thomas. What about dipping the toroid in candle wax? 73 Ken toggle quoted message Show quoted text On Tue, Dec 27, 2016 at 9:22 PM, Thomas Noel tnoel@... [BITX20] <BITX20@...> wrote: ? MEK will rot your liver in short order without good ventilation. I like a fine drizzle of hot-melt glue, followed by judicious use of a hot air resolder nozzle to melt and spread the glue. Look for the glue gun nozzles used to add binding tape to the edge of carpet: Thomas W Noel KF7RSF On Dec 27, 2016, at 6:13 PM, Richard Knack ihc73scout2@... [BITX20] <BITX20@...> wrote: Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase?chase8043@...?[BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Richard Andrew Knack All Messages By This Member #19449 Awww...MEK ain't so bad. Smellzzz nizzzeee tooo... glurfle meep grp ding... huh? wazzat? Rich KC8MWG On Tuesday, December 27, 2016 9:25 PM, "Ken Chase chase8043@... [BITX20]" wrote: toggle quoted message Show quoted text ? Thanks Thomas. What about dipping the toroid in candle wax? 73 Ken On Tue, Dec 27, 2016 at 9:22 PM, Thomas Noel tnoel@... [BITX20] <BITX20@...> wrote: ? MEK will rot your liver in short order without good ventilation. I like a fine drizzle of hot-melt glue, followed by judicious use of a hot air resolder nozzle to melt and spread the glue. Look for the glue gun nozzles used to add binding tape to the edge of carpet: Thomas W Noel KF7RSF On Dec 27, 2016, at 6:13 PM, Richard Knack ihc73scout2@... [BITX20] <BITX20@...> wrote: Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase?chase8043@...?[ BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Ashhar Farhan All Messages By This Member #19456 you don't realy nees a coating, i have used a spot of superglue to hold it down to the board. it seems to have no perceptible difference. - f toggle quoted message Show quoted text On 28-Dec-2016 7:41 am, "Ken Chase chase8043@... [BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Raj vu2zap Member Profile All Messages By This Member #19457 Bees wax is a better choice! Like in old radios. I always keep a bit around. 73 Raj toggle quoted message Show quoted text At 28/12/2016, you wrote: Thanks Thomas. What about dipping the toroid in candle wax? 73 Ken
Thomas Noel #19458 开云体育 You might get by with a high stearic acid content paraffin wax, but it might just melt and rum all over if left in the car on a summer day. ;>) Thomas W Noel KF7RSF toggle quoted message Show quoted text On Dec 27, 2016, at 6:25 PM, Ken Chase chase8043@... [BITX20] <BITX20@...> wrote: Thanks Thomas. What about dipping the toroid in candle wax? 73 Ken On Tue, Dec 27, 2016 at 9:22 PM, Thomas Noel?tnoel@...?[BITX20]?<BITX20@...>?wrote: ? MEK will rot your liver in short order without good ventilation. I like a fine drizzle of hot-melt glue, followed by judicious use of a hot air resolder nozzle to melt and spread the glue. Look for the glue gun nozzles used to add binding tape to the edge of carpet: Thomas W Noel KF7RSF On Dec 27, 2016, at 6:13 PM, Richard Knack?ihc73scout2@...?[BITX20] <BITX20@...> wrote: Why not use coil dope? The commercial stuff isn't cheap, but it's just polystyrene dissolved in MEK, so not hard to make. Rich KC8MWG On Tuesday, December 27, 2016 9:05 PM, "Ken Chase?chase8043@...?[BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN
Ken All Messages By This Member #19469 Thanks Ashhar. I do the toroids solidly in place but thought a coating would help hold windings in place. 73 Ken VA3ABN toggle quoted message Show quoted text On Tue, Dec 27, 2016 at 11:46 PM, Ashhar Farhan farhanbox@... [BITX20] <BITX20@...> wrote: ? you don't realy nees a coating, i have used a spot of superglue to hold it down to the board. it seems to have no perceptible difference. - f On 28-Dec-2016 7:41 am, "Ken Chase chase8043@... [BITX20]" <BITX20@...> wrote: ? I am building up my own external BPF's for 80/40/20. I need to coat the windings to hold them in place. Can I use a spray clear coat? Will it affect the inductance? 73 Ken VA3ABN

Previous Topic Next Topic