Best tyre pressure gauge

Wednesday, July 24, 2019
I once saw the mighty and magical David Bowie play. Near the end of a great show, he pulled out the song he did with Queen, Under Pressure. It was simply magic as it was pouring with rain which quite matched the lyrics of the song.

And you know what else works well under pressure? Tyre pressure gauges.

If you drive your car with under pressured tyres you'll suffer performance issues such as longer stopping distances, put more heat stress on the tyre itself, use more gas & petrol and increase the chance of having a road accident.

So if you want to check that your tyres are properly pressured, then you'll need the best gauge to take the measurement. These units are really handy if your car has a 'low car tyre pressure indicator'. If you cannot determine which tyre is low by simple observation, a quick check with the gauge will immediately tell you which tires need some air (or nitrogen if you're that way inclined!)

We'll now check out a few of the better gauges on the market, see how they perform and ensure that you get the right gauge you need to measure the air pressure of your tyre. 

In this modern era, the best tyre gauges are those with a digital display. Such units properly measure the pressure and give you an extremely accurate reading. This is very important because many tyres perform best when filled with air to the manufacturer's instructions and intentions. 

Take a racing bike tyre.

There's a certain ideal amount of rubber that needs to be on the road for an efficient ride.

Too low a tyre pressure, and there's too much surface tension and you'll be slower. Too much pressure and you'll run the risk of a blowout. It's even more important for races where every second counts. 

Enter the AstroAI Digital Tyre Pressure Gauge:

tyre pressure guage
At less than ten of your Earth dollars, the Astro AI pressure gauge should be right up your ally as a cost-effective tool.

Obviously, this unit is designed to help you maintain correct tire pressure with the goal of reducing tire wear and extend tyre life. 

It features a digital display with the reading being displayed instantly and clearly being shown.

The nozzle part easily forms a seal with the valve stem on schrader valves, giving quick and accurate readings in 0.5 increments; 4 settings with range: 0-150PSI / 0-10Bar / 0-10Kgf/cm² or 0-1000KPA.

The gauge automatically shut off in 30-40 seconds to save on battery power.

Its grip texture makes it easy to hold onto and the ergonomic design is both suitable for anyone's hand.

At less than ten bucks, it's worth having one to sit on the boot of your car or in your mechanical kit. 
But what would we know?

Here are some reviews from real users who have brought the gauge via Amazon and used it:

"I bought this for around $9 from here. First thing I noticed was how cheap it felt in the hands when I pulled it out of its box. Thinking to myself, what a cheap piece of crap I bought. I drove to Costco and filled my tires with nitrogen and put it up against their pressure gauge. Holy moly, this gauge was exact compared to Costco's pressure gauge monitor to the T. I was left scratching my head. How can something so cheap in price and and plastic we were so damn good. I'm 100% satisfied and glad I purchase it. Lol. Thank you Amazon and to this company for a great deal."

Sounds promising then...

"So this is the second tire gauge I've bought through Amazon. The first was completely useless. Didn't measure any pressure. At $5 wasn't worth returning. Sucky. This one is great. Seems very accurate, is extremely easy to use and is great at night. You know you need a tire gauge at all the inopportune times. I love that it takes a reading and holds it so you can bring the gauge to your face, rather than having to squat in a ridiculous position to read the gauge. GREAT IDEA!! It also allows you to bleed off extra air, which I didn't see mentioned - but that works great. This one is A+++++ "

Sounds like we have a winner...

"The ergonomic design makes it easy to hold & the quality for the price is impressive. I used it yesterday for the first time & it was a lifesaver. My low tire light was on & it enabled me to pinpoint which one. I am a 75 year old woman & if I can use it anyone can! By the way, the instructions are well-written & clear.

If those genuine product reviews check your box, check out the price on Amazon:

 If you don't fancy a digital gauge and you want that classic mechanical dial display then the Jaco gauge might suit your needs.
jaco tyre gauge for air pressure
It's a genuinely quality tool that has been performance-tested, certified as accurate, & calibrated to ANSI B40.1 International Accuracy Standards (±2-3%).

This means you will precise tire pressure readings and you'll not need to rely on battery power!

This unit feels solid in the hand as it is crafted from premium heavy duty components and it's shielded by a rugged shock-resistant protective guard.

It also features a flexible no-leak air hose which gives you plenty of room to check the pressure.

But don't listen to us, listen to real users who are very satisfied after field testing the units on their cars:

 "Gauges are well built and very legible. The chuck fits the tire valves well and I did not experience any of air loss common with cheap gauges. These gauges actually swivel at both ends of the rubber hose. No problems using them regardless of the tire valve position. The 100% lifetime warranty is a bonus."

"It's a good size and easy to hold and read as a result. The hose is a good length. But the big question with tire gauges is: how easy is it to seat on the valve of the tire? This one has a swivel at the gauge and another about two inches from the head.... easy to maneuver and easy to get a good seal on the valve and therefore a good reading."

" I checked all 4 tires on my wife's car because her warning light was on. Found one tire that needed air. It was down about 7 lbs. As I moved to a darker part of the garage, the dial face lit up with a bright green luminescence. I didn't even know about that feature. The swivel head and the pressure relief button are fantastic features as well. No more pencil types or digital ones for me."

 Sounds like this gauge as won over some fans. If it floats your boat, check out the price on Amazon:

What are the best chainsaw safety chaps and trousers to use?

Sunday, July 21, 2019
using chaps for logging trees

Why you should consider using safety chaps when using a chainsaw 


In many countries, the forestry or logging industry have extremely high death and injury rates when compared to other workforces.

This makes sense given trees are being felled and a lot can go wrong because of accidents and user failure with dangerous machinery.

Now think back to the good old days when chainsaws began to gain widespread use in the logging industry.

Did those crude saws feature safety innovations such as chain brakes?

They sure didn't and many users were horrifically maimed or killed as a result.

If that was bad enough, think of their safety gear. No chain safe safety chaps were issued by employers 80 years ago. Instead, hungry & honed blades cut through denim work jeans into bone and arteries without a care in the world.

In the present, more safety-conscious age, the modern chainsaw user has a much safer gig when chopping down a tree however they must take precautions and using properly designed safety chaps is a great way to prevent harm to your legs.

It doesn't matter if you are a forestry worker or an experienced weekend warrior, using safety gear should be a standard part of your chainsaw practice.

Let's not waste your time.

If you just want to know which is a great pair of chaps then the Husqvarna protective wrap chaps are quite suitable for most users.

husqvarna safety chaps


These chaps feature:
  • 1000 denier polyester with PVC coating with Tek warp protective layers
  • Can adjust the waist up to size to 42 inches
  • Felling wedge/gear pocket and acetyl Delran buckles
  • Meets ASTM f1897, American National Standards Institute z133.1, and OSHA regulation 1910-266
  • Underwriter Laboratories certified

The real question you might want to ask yourself is do these chaps work?

Here's a picture an Amazon buyer left in his review. He described the situation as that he: "Put a running saw to my left leg while limbing some cedars. Strands stopped the saw and didn't even have a bruise."

chainsaw chaps prevent a leg injury

If that proof is enough pudding for you, check out the price on Amazon

How do safety chaps protect legs from a chainsaw blade?


Let's be upfront and make it clear that safety chaps are not a suit of armor that will save you from every accident.

If you wanted absolute protection from a chainsaw, then you may as well suit up like a Knight. 

However, that's not too practical when chopping wood, so chaps offer the versatility of movement with the knowledge they are designed to reduce the severity of the cut should an accident occur.

What we are saying here is there a trade-off between practicality and safety here.

If the idea is safety, then placing a user in cut-retardant chaps that are too restrictive or that become too hot in itself is unsafe so many internationals safety standards for chaps and personal protective safety wear recognize this. 

When a chainsaw comes into contact with the safety trousers, the outer layer is immediately cut through by the blade but the inner layer of fibers (such as kevlar) are drawn out by the chain and into the machine. It wraps around the saw's drive sprocket. The tough fibers lock the sprocket in place thus halting the chain and hopefully limit damage to the chainsaw operator's leg. 

That said the stronger the chainsaw, the more chance of damage can occur to the user. It also depends on how fast the saw is going, the strength and angle of the saw. 

Here's a great video which demonstrates how chaps work when they catch a saw:



Does it matter what kind of chaps to wear if I am a casual or a professional user?


If you are simply doing a bit of yard work or lopping the occasional branch off a tree, it might not make economic sense in buying the best professional pants there are. 

You may simply decide to use something that will help keep you safe but is perfectly functional for your needs. At a minimum though, the pants should still be designed to meet a suitable product safety standard. 

To that end Husqvarna's chainsaw chaps are ideal. An economical buy, they fit quite comfortably over your work jeans:

safety chaps husqvarna economic


Do these chaps work? Here's a real-life example described by a user:

"First day of sawing, running a bigger saw than I had used in the past, tired and neglectful that it idled down slowly - saw pivoted in my L hand as I reached for a branch with my R hand, and I felt a "bang" on my left thigh and the saw was suddenly quiet. I looked down and had crossed the blade onto my leg - the blade was now stuffed with white strands from the chaps, and I was unscathed. Saved me from my very own trip to the ER and allowed me to cut another day"

If you don't feel like getting your quads cut, then check out the price on Amazon.

Just be wary of buying pants which are designed only to protect from flying debris / keeping your work pants clean. These are not designed in any way to protect your long limbs from a chainsaw bar cutting into your leg. They are only good for keeping the grass off.

What if I really only want budget pants?


There are a few protective pants out there that are handy for those on a budget. Remember, you should only wear pants which are designed specifically for use with a chainsaw and thus should have been fully tested to comply with the relevant safety standards.

For the cost-conscious, the Forester range of apron chaps might be the ideal choice. We hate to use the word 'casual' but for those that only use a chainsaw every so often, then these chaps could be ideal.

They provide good coverage for the front of your legs. The only drawback is they are not designed to protect against the really high powered saws and they certainly won't halt an electric engine from rotating. They are do however meet the STM F1897, OSHA 1910.266 standards and are UL Certified. We suggest if your day job requires chaps, then you go upmarket, such as the Husqvarna 587160704 Technical Apron Wrap Chap.

Buying safety gear gives the user the confidence that it will do what is asked of it t - i.e. reduce the chance of severe leg injury. In terms of aesthetics, Forester describes them as "sleek, durable, lightweight, and comfortable chaps are chainsaw oil- and water-resistant". The chaps also feature a large side pocket and a flip adjustment belt for a perfectly secure fit.

Again, we always ask - do they work?

This chap on Amazon shared his review and experience:

"I needed to drop about 8-10 small trees and just out of habit put these on. That day it was the smartest thing I did because not only did they save my legs from injury once but twice the same day. First time I just cradled the chainsaw on my leg and had not set the brake, the chaps stopped the chain from cutting into my thigh right where I bend. I surely would have bled out before EMS got to me."

Check out this picture of a save by these pants:

forester chainsaw protective pants

The wearer is uninjured which is a great result because that cutting area is pretty damn close to the femoral artery.

Which, you may know is a pretty major one and a severe cut can result in a bleed out.

If you think protecting your femoral artery might be a good idea, then check out the price on Amazon.

Is it true electric chainsaws will cut through even the best chaps?


Yes, this is true as they are not configured the same as gas powered saws. As they have higher torque than gas engines, electric saws will continue to cut the chap fabric and chaps are generally not designed to withstand contact with an electric saw.

Sure, you should still wear chaps when using an electric saw but do not rely on them to reduce the chance of personal injury. 

What length should chainsaw chaps be?



Chaps (which go over trousers and legs) should be long enough to cover the tops of your boots.

To figure out how long your chaps need to be, measure from your waist (just below your belt where the chaps will sit) to the beginning of your foot. This length will provide suitable coverage and protection.

It's important you order and use the right size - a shorter than necessary chap will probably result in a piece of your leg exposed which it Murphy's law kicks into force, your chainsaw will find it. If your chaps are too long, they could be too loose, which may be annoying at best and at worst, could cause you to trip or stumble.

When ordering chaps it's important to understand that the advertised length is the overall length and not the length of a traditional measurement of the inseam.

When you're thinking about buying safety gear, whether it be chaps, gloves or protective eyewear, it's always really good to remember that no one ever died just because they bought quality gear. Actually, we think the adage is no one ever regretted buying quality but you get the point.

I know we keep talking about it, whatever buying decision you make, you really should consider if your safety gear has met the requirements of the most relevant safety standard.

Your femoral artery might just thank you for it.

Did you know you can wear chaps when lawnmowing? Particularly handy if stones and any wood chips are likely to flick up at your legs. Same goes for an activity like hedge trimming.

If you've got this far, well done. Now, head to Amazon and have a look at the best safety chaps they have.

How to replace a spark plug in a lawn mower

Tuesday, July 9, 2019

Replacing a spark plug for a lawn mower


Lawnmowers are basically engines with a lethal blade that spins around cutting grass as long as there's gas in the engine and a spark plug that's combusting the fuel.

But if your spark plug looks like the one above and it's overworked and corroded, it's probably not firing properly and it's time to replace it.

You can tell if your spark plug needs replacing can include:

You begin to hear rattling, pinging or noises that suggest your mower's engine is knocking.

You could also find you are using more fuel than you consider is normal for the operation of your mower. This is a key reason to ensure are spark plug is changed regularly as using excess fuel costs you money and you could be spending it on a chainsaw instead!

The classic problem is of course that the spark plug has failed and you cannot start the engine at all!

If the plug is misfiring, you may notice you may feel combustion is not efficiently happening. This occurs due to the aging of the plug.

As a spark plug ignites, there's a 'gap', in which its reach occurs. This gap eventually widens as a result of repeated use under extreme temperatures, normal wear, and tear. If the 'gap' is becoming too large, the unit's efficiency declines and combustion becomes erratic.

How to replace the spark plug in your lawnmower


  • When the engine is cool, remove the spark plug wire.
  • Clean any debris off the wire, ensure the metal is clean of rust etc.
  • Use a spark plug wrench to gently unscrew and remove the plug. If the plug is sunk in tight, do not use excessive force. A bit of CRC or WD40 style lubricant may help. Using the correct sized plug wrench is also very important.
  • Use a spark plug gauge to measure the gap between the two electrodes and make sure the gap reflects the recommendation of your lawnmower manufacturer - check the user manual. 
  • With your hands, sub in the new correctly sized spark plug. Screw it in gently. Then with your wrench, finalize its position with a firm turn but not so the plug is in too tight. 
  • Replace the spark wire, ensure it is correctly connected to the plug
  • Test you've installed it right by turning on the engine. If it fails to ignite, check the spark wire is connected.

Here's a handy tutorial video on how to replace a spark plug:




What is the correct spark plug for my lawnmower?

This was a good question to ask because even though several different spark plugs may screw into your mower, if it is not the correct type your engine will likely suffer performance problems.

If you don't know off the top of your head what kind of spark plug is in your mower - look for the number on the ceramic and match it to the brand. The internet is your friend.

Indeed, you can also take the whole unit into a service agent or hardware store and compare so you have like for like.

The best trick is to look at the user manual of the lawnmower for advice.

It is not imperative that use you use your mower brand's spark plug. You can use a generic substitute or another brand as long as the size and type are correct.

Generally speaking a tried and true brand like a Briggs and Stratton spark plug will work well in most engines.

Battery-powered lawn mowers, of course, do not need plugs!

Need to change your lawnmower's oil? You may need to use an adjustable wrench.
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