Lucas Replacement Wire Harness Smoke

As spotted By Bob VK2BIG who says:

Thought this might be worthy of dissemination.  A bottle in every ham shack, I wonder if they make a negative earth version?

Bob’s right of course, it’s of limited use to us without a negative earth version, perhaps a group buy may be in order?  In trying to track down a group buy price, I managed to find the following information on this product and matching Churchill Tool 18G548BS adapter tube and metering valve from a past auction:

These kits were supplied surreptitiously to Lucas factory technicians as a trouble-shooting and repair aid for the rectification of chronic electrical problems on a plethora of British cars.  The smoke is metered, through the fuse box, into the circuit which has released it’s original smoke until the leak is located and repaired.  The affected circuit is then rectified and the replacement smoke re-introduced.  An advantage over the cheap repro smoke kits currently available is the exceptionally rare Churchill metering valve and fuse box adapter.  It enables the intrepid and highly skilled British Car Technician to meter the precise amount of genuine Lucas smoke required by the circuit.

Unlike the cheap, far-eastern replacement DIY smoke offered by the “usual suppliers”, this kit includes a filter to ensure that all the smoke is of consistent size, It has been our experience in our shop that the reproduction Taiwanese smoke is often “lumpy”, which will cause excessive resistance in our finely-engineered British harnesses and components.  This is often the cause of failure in the repro electrical parts currently available, causing much consternation and misplaced cursing of the big three suppliers.

These kits have long been the secret weapon of the “Ultimate Authorities” in the trade, and this may be the last one available.  Be forewarned, though, that it is not applicable to any British vehicle built after the discontinuing of bullet connectors, so you Range Rover types are still on your own…

This Genuine Factory Authorized kit contains enough smoke to recharge the entire window circuit on a 420 Jaguar, and my dear friend and advisor George Wolf of British Auto Specialty assures me that he can replace ALL the smoke in a W&F Barrett All-Weather Invalid Car( 147 CC) with enough left over to test a whole box of Wind-Tone horns for escaped smoke.  How much more of an endorsement do you need?

More, you say?  Well, I once let the smoke out of the overdrive wiring on my friend Roger Hankey’s TR3B, and was able to drive over 200 miles home from The Roadster Factory Summer Party by carefully introducing smoke into the failed circuit WITHOUT even properly repairing the leak.  Another friend, Richard Stephenson, was able to repair the cooling fan circuit of his Series 1 E-type by merely replacing a fuse and injecting a small quantity of smoke back into the wires. So there!

The history page the above text is from also has a lengthy Q&A section addressing any questions you may have about this miraculous product.  Imagine the ham radio applications!  It’s nice to know that the bottle is easily refilled when emptied too:

Thanks Bob!

ORARC 42nd Annual Field Day Program

Thanks to Richard VK2CHC for producing our ad, as seen in Amateur Radio Magazine:


SATURDAY 10th June, 2017

0900 * HALL SETUP – Open for REGISTRATIONS from 10:00
1200 * BBQ Lunch Sausage sandwich $2.00 Soft Drinks $1.50
• 1300 * 2 Metre mobile Fox Hunt (Points allocated)
• 1430 * 80 Metre Pedestrian Fox Hunt (Points allocated)
• 1600 * 2 Metre Talk in Fox Hunt (Points allocated)
1800 * Field Day Dinner at Port Macquarie Golf Club at menu prices

SUNDAY 11th June, 2017

0830 * REGISTRATION $5.00 (No discounts) Children under 15 Free
0900 * TRADE DISPLAYS and DISPOSALS open. Bacon & Egg Sandwich $2
• 1000 * 80 Metre Pedestrian Fox Hunt Standard Transistor Radio with
No DF Mods or Attachments (Points allocated)
• 1100 * 80 Metre mobile Fox Hunt (Points allocated)
1200 * BBQ LUNCH Steak sandwich $4.00 Sausage sandwich $2.00
Fruit salad & ice cream $2.00 Soft Drinks $1 .50
1230 * DRAW Raffles and Competitions
• 1300 * 2 Metre Pedestrian Fox Hunt (Points allocated)
• 1400 * 2 Metre Mobile Fox Hunt (Points allocated)
1500 * Field Day concludes with PRESENTATION of Fox Hunting prizes
and PRESIDENT’S brief Address & Farewell

Prizes awarded for First Place in each Fox Hunt, Fox Hunt Champion,
Runner-Up Fox Hunt Champion, Best Presented Amateur Vehicle, Best Home
Brew display

$5 registration covers both days & includes tea, coffee and biscuits
No charge or commission for DISPOSALS items but are at owner’s risk

A PDF Copy of the information above is available for download here.

The Oxley Region Amateur Radio Club Inc.thanks all our sponsors for their generous support:

Radio Supply Pty Ltd
Jaycar Electronics Port Macquarie
Fettell Communications
David Tavener VK4ICE
Roda Antennas

FCC Proposes Levying Huge Fine on New York Police Radio Jammer

From the ARRL, original post here.  Published 17/4/2017.

Police found scanners and radios in the home of one of the suspects (NYPD) – Picture courtesy of, New York News.  Related article here.

The FCC has proposed a fine of more than $400,000 on a Queens, New York, man who has admitted making unauthorized transmissions on New York City Police Department (NYPD) radio frequencies, maliciously interfering with NYPD officers’ communications.  Jay Peralta, 20, is alleged to have transmitted false bomb threats, false claims of criminal activities involving firearms, false distress calls from purported NYPD officers, and threats against individual NYPD officers.  The unauthorized transmissions began a year ago, according to the FCC.

“Through his actions, as he described them to the NYPD, Mr. Peralta has demonstrated not only a deliberate disregard of the Commission’s authority and rules, but of the safety of NYPD officers and the public that they are called to serve and protect,” the FCC said in a Notice of Apparent Liability (NAL), issued on April 14.  “Commission action in this context is therefore essential to safeguard authorized operations on spectrum licensed for public safety uses, and, accordingly, a substantial penalty appears warranted.”

The FCC said the NAL addresses nine unauthorized and interfering transmissions that Peralta has admitted to the NYPD that he made on its radio system.  The FCC said Peralta’s unauthorized transmissions included false bomb threats, false claims of criminal activities involving firearms, false distress calls from purported NYPD officers, and threats against individual NYPD officers.

FCC Chairman Ajit Pai, said that with the NAL, the FCC is making it “abundantly clear that it will not tolerate unauthorized and illegal use of the radio spectrum.”  The entire Commission now must sign off on such proposed fines, and Pai said he was grateful to his fellow FCC members for “agreeing to act swiftly and strongly” in the matter.  “This may not be a typical pirate radio case in which an unauthorized operator inflicts damage on a radio broadcaster that is operating with a valid FCC license,” Pai said, “but it does involve unauthorized interference to critical public safety communications systems.”

Peralta was arrested last fall along with two other men suspected of committing several robberies. According to news accounts, police found a cache of scanners and radios in one of the suspects’ homes.

The FCC said it was alerted by a Twitter post about an unlawful intrusion on the NYPD radio system and dispatched an Enforcement Bureau agent to check it out.  On September 30, the NYPD contacted the FCC’s New York Office and advised that it had arrested Peralta and another individual in connection with unauthorized transmissions on NYPD’s radio system.  According to police reports, the other individual arrested — Ricardo Torres, 29, described as “a ham radio enthusiast” in some news accounts — allegedly provided the radios used.

Torres, is said to hold an FCC General Mobile Radio Service (GMRS) license but his name does not appear in the Amateur Radio licensee database.  Police said they found 15 portable radios, 9 scanners, roof-top antennas, an amplifier, and assorted other electronics in Torres’s apartment.

Peralta has 30 days to pay or contest the proposed $404,166 FCC forfeiture.

See the related news story from Pix11 News by clicking here.

How-to: Perfectly Clean Wires in Minutes!

Here’s a quick one that you have to click through to view in detail.  Thanks to Stuart VK2FSTU for the link.  Solomon NH7ZE says:

Here is an old ham radio operators trick for cleaning wires for soldering that are old and corroded.  It is hard to find this technique printed anywhere!  I am a ham, NH7ZE, and learned it from my elmer (mentor).  I am passing it on.  I hope it helps people who need to clean wires  😛

Left: After – Right: Before

See the full article by clicking here (or the picture above), as hosted on

Origin of Wireless Security: the Marconi Radio Hack of 1903

Paul VK2ICQ adds:

Thanks to Stuart VK2FSTU for the link.  Note that we’ve previously posted a video on this exact event by Tom Scott, if you missed it first time around and you’d prefer to watch rather than read, here it is again!

From Hackaday, written by , original post here.

The place is the historic lecture theater of the Royal Institution in London.  The date is the 4th of June 1903, and the inventor, Guglielmo Marconi, is about to demonstrate his new wireless system, which he claims can securely send messages over a long distance, without interference by tuning the signal.

The inventor himself was over 300 miles away in Cornwall, preparing to send the messages to his colleague Professor Fleming in the theater.  Towards the end of Professor Flemings lecture, the receiver sparks into life, and the morse code printer started printing out one word repeatedly: “Rats”. It then spelled out an insulting limerick: “There was a young man from Italy, who diddled the public quite prettily”.  Marconi’s supposedly secure system had been hacked.

Nevil Maskelyne, circa 1903. From the Royal Institution.

The person behind this hack was Nevil Maskelyne, an inventor, magician, and general troublemaker who was a long-time rival of Marconi.  He was the manager of a rival wireless company and had been involved in a number of disputes with Marconi over the patents that covered wireless telegraphy systems.  He decided that the most effective way to show that Marconi’s claims were hollow was a practical demonstration.

In the trade journal The Electrician (the Hackaday of its time) he detailed how he hacked the system. One of the fundamental claims of Marconi was that because his system used a tuned signal, other signals would not interfere unless they were tuned to the same frequency.  This, however, had not been proven to the satisfaction of Maskelyne, and he didn’t accept that the system was really secure.  So, he set out to demonstrate this.  But how could you prove this?  In his account in The Electrican, he wrote that:

“When, however, it was pointed out to me that the practical demonstrations accompanying the lecture rendered independent tests possible, I at once grasped the fact that the opportunity was too good to be missed…  The only hope, then, was to interpolate messages calculated to anger and “draw” somebody at the receiving end.  If that could be done, there would be proof positive.”

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