Crystal grinding page by bry af4k. subject xtal grinding monitor someone try this. also in the 49 hints and kinks book is a method page 88 of monitoring the frequency of a quartz crystal during grinding. take a flat piece of aluminum or copper about 6quot square, and connect it to your receiver antenna post using a short lead.get price.Consult Now
Mar 15Grinders Archives
06.09.2019 grind the whole rock with lowgrit sandpaper and a dremel sanding attachment. change the bit on your dremel tool to a sanding attachment and slide a lowgrit, like 600grit, sandpaper band on it. grind the first exposed surface of the rock, then rotate it in the vice clamp to expose another side and grind that surface.
A pulveriser is a mechanical device for the grinding of many different types of materials grinding mills use one , two or all three of the basic principles of particle size reduction namely impact, attrition and crushing with respect to speed these machines may be classified as low speed, medium speed and high speed.
Af4k amateur radio links etc. now i can setup ads, banners or even a web page for you on the internet heres how. swap with af4k brys trades, buy amp sell list! lets swap ham items etc.! now i can setup ads or even a web page for you on the internet. amateur radio links search my web site!
An additional channelized ft243 crystal frequency scheme was used for crystals like 7006.667 khz, 7106.667 khz, 7206.667 etc. example channel 60 7706.666 khz. thanks to af4k, wa5cab, jack antonio, al klase and to a few others for this information back to our main crystals page click here. or to inquire or buy crystals.
Arsenic is a chemical element with the symbol as and atomic number 33. arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal.arsenic is a metalloid.it has various allotropes, but only the gray form, which has a metallic appearance, is important to industry..
Brian carling af4k crystals situation. on april 4, brian was taken to the emergency room thinking he may have had a bry is a great guy. ive worked him many times on the air and conversed with him a few times related to his crystal business. im praying for him to recover and get back on the air. ke4oh, 2.
Brian carling af4k crystals situation. on april 4, brian was taken to the emergency room thinking he may have had a minor stroke, since he was encountering some difficulties. by 7am the next morning, he had undergone brain surgery with a very grim prognosis of a non operative stage 4 gba tumor. due to complications, we will not be able to.
Bry was also the owner of af4k crystals, a business that was essential to those of us who need crystals to maintain radios of the period. originally from the uk where he was licensed as g3xlq, bry moved to the united states in 1972 brian j. bry carling, af4k, became a silent key in may 2020. bry was married to marie carling, wb4qbl.
Bry, af4k on 13 may 97 at 1341, rdkeyscsemail.cropsci.ncsu.e spoke about bagb roundtable funzies tuesda and said ok, since there seems to be some interest in them thar 80m glowingboxen hows abouts we plys de ol 80m ethers tuesday and wednesday nites, anytime after dark, on de ol 3579r545 qrm qrg.
Crystal grinding page by bry af4k . date sun, 14 mar 2004 1313350600 from sandy w5tvw subject re yet more re gb tube dampers lol the rubber band dampers are no joke in some instances some of the old reel to reel.
Crystal grinding page by bry af4k af4k home . the crystal grinding page. ft243 crystal info from email protected paul carreiro the only place i have ever seen it for sale is machine tool and gun smith supplies. do not use valve grinding compound as it is an imbedding type!!
Crystal grinding page by bry af4k grinding mill china. crystal grinding page by bry af4k. daves crystal grinding webpage earthlink. crystal grinding techniques crystals may be raised in frequency by grinding them get price. crystal grinding wheel gurusrestaurant.in.
Crystal grinding page by bry af4k i need help from all the ba gurus out there practiced in the mysterious art of grinding ft243 type surplus crystals to operate in the ham bands. i have had some success bringing crystals down in the 6.8 to 6.9 mhz range up into the 40 meter band using dry ultra fine grade sandpaper.
Crystal grinding page by bry af4k logan sainlez. crystal manufacturing large raw crystal was attached to a laterally reciprocating machine that ground the top edge perfectly flat using a grinding wheel with a mysterious white fluid that ran over the wheel all of the time to keep it cool this is often known as the crystal cracker circuit bry carling af4k buy af4k amateur .
Crystal grinding page by bry af4k try tooth paste or better yet tooth powder in a heavy water slurry on a glass plate. using light pressure from the second finger the one that is used for signaling and a circular motion, grind each of then clean off and dry. overshoot, a small amount of pencil lead rubbed on the center of the.
Crystal grinding page by bry af4k. crystal wet ball mill page by bry af4k ferienhauslieser.de. product crystal wet ball mill page by bry af4k 27in antqute mill grinding stone wheel info4 salegold mining equipment for sale in kenya project of helical gearbox failure in cement mill 27in antqute mill grinding stone wheel for sale jual peralatan penambangan emas cement.
Crystal grinding page by bry af4k. mor einfo on crystal grinding up to 900 kc great technical article here crystal lapping machinestypical of the kind i used to work with at cathodeon crystals please email to add your additional comments to this web page you are visitor number since 2 september 1996 from our friends at wwwdigitscom back to the top.
Crystal grinding page by bry af4k. mor einfo on crystal grinding up to 900 kc. great technical article here. crystal lapping machinestypical of the kind i used to work with at cathodeon crystals. please email to add your additional comments to this web page. you are visitor number since 2 september, 1996 from our friends at digits back.
Crystal grinding page by bry af4k. subject xtal grinding monitor someone try this. also in the 49 hints and kinks book is a method page 88 of monitoring the frequency of a quartz crystal during grinding. take a flat piece of aluminum or copper about 6quot square, and connect it to your receiver antenna post using a short lead.get price.
Crystal holders by af4k now i can setup ads, banners or even a web page for you on the internet heres how. always wanted to know what all those hcxx designators stand for? got some quartz rocks for your radio and dont know which socket you need to buy? building an oldstyle tube transmitter and need some data on the xtals?
Crystal manufacturing large raw crystal was attached to a laterally reciprocating machine that ground the top edge perfectly flat using a grinding wheel with a mysterious white fluid that ran over the wheel all of the time to keep it cool. it took about 5 minutes at a time to run this machine, and the operator sat on a chair watching it.
Email bry carling, af4k to arrange purchase. bampw fl10100 filter barker and williamson model fl10100 low pass filter. two standard so239 connectors. rated 100 watts. available for 10.00 plus shipping email bry carling, af4k to arrange purchase. some of the heath items on this page may be sold. inquire first! heathkit dx100 parts for sale!!
Google af4k crystals. bryan makes custom crystals by grinding old blanks that are close in frequency. beware that many of his crystals are very small and thin but might be in an ft243 holder. be sure to ask. if youre using them in a tube transmitter or any circuit where you can expect to pull current, the tiny crystals will easily crack.
I recently ordered a 1885 crystal on the af4k web site and after about a month of no update excep mu paypal receipt i attempted to contact bry about my order. i was unable to make contact with all the links on his site and finally found info on his corporate listing. i was able to talk to his wife marie. this is what i found out.
It was killed by a onetube 6l6 transmitter. when i disassembled the crystal holder i could actually see the crack in the quartz! ive not had any failures of the modern crystals that i purchased from af4k, even in similar circuits. in any case it.
Location long beach ms. usa 39560. to grind your own crystals, starting with a belowthe band rock i bought one square foot of 14 inch glass with roundedover edges. i taped down 3 sheets of sandpaper, 250, 350 and 1200 grit. grind with the coarser grits and.
Masonry tools for grinding rock masonry tools for grinding rock . grinding bits mcmastercarr. longer lasting than grinding bits, these abrasive cones remove heavy amounts of material and leave a rough surface texture. they have a threaded insert that attaches to the spindle on a straight grinder. use in corners and inside castings. get price.
Please send updates, additions and corrections by email to bry, af4k thanks! now i can setup ads, banners or even a web page for you on the internet heres how. see also descriptions of u.s. military radios by model number. and another list of boatanchors sources. heres another list of surplus places from stanford university.
Re af4k crystals to reopen reply 1 on ma, 115716 am this is great news, of course, but it should be mentioned that the ft243 crystals sold previously were actually hc49u crystals in ft243 shells.
Send text message to bry, af4k now. special crystal pairs with 455 khz tr offset for 160m and 75m am etc as used in bc611 and other military radios, etc. these are ft243 tr crystal pairs for 455 khz i.f. military radios such as bc611 etc. for some of these, i only have one pair left 1885 2340 khz 1945 2400 khz 1985 2440 khz 3625.