John Foster

About John Foster

Passionate about boats, cars, art, architecture and of course, hydraulics. After 40 years as Director of Sarum Hydraulics, every day still brings new challenges and inspiring engineering in the bigger world. If you want to talk hydraulics, engineering or even boats, reach out to me on LinkedIn at https://uk.linkedin.com/in/johngfoster or contact me direct at john@sarum-hydraulics.co.uk

How Covid-19 is really testing our medical hydraulics

By |2020-04-16T17:35:11+01:00April 16th, 2020|Blog|

One manufacturer’s take on coping with Covid-19. How Covid-19 has really tested the resilience of this small hydraulics businesses. Who could have foreseen that from a market somewhere in Wuhan last December we would find ourselves in the midst of the Corona SARS-CoV-2 pandemic? Or that through 37 years of trading we have seen assorted [...]

What is Skydrol and what is it used for?

By |2023-08-12T14:09:42+01:00October 7th, 2019|Aircraft, Defence & Offshore Hydraulics, Blog, Hydraulic Fluids, Most Popular, White Paper|

  Skydrol aerospace hydraulic fluid is fire resistant and retains a low viscosity at the very low temperatures at altitudes of 10,000 metres and higher. Both are big things for aviation and aerospace. It is used in aircraft hydraulic systems in place of hydraulic mineral oils. For example, the braking [...]

When VC10 Aircraft Flew the Flag for UK aerospace

By |2019-11-07T15:18:42+00:00October 1st, 2019|Blog|

How Micropac hydraulics has given the VC10 skydrol hydraulic system a boost. We are sitting on high tech lightweight aircraft seating in a cutting-edge aircraft interior. It’s truly stylish. It isn’t an Airbus A350 or a 787 Dreamliner and maybe the ash trays give it away. If you are British and of a certain age, [...]

Is the all marine hydraulic yacht the future of sailing?

By |2019-04-27T19:08:25+01:00April 22nd, 2019|Blog|

Making sense of marine hydraulic sailing superyachts and what works on a weekend sailing boat. All hydraulic Wally yacht equipped with Cariboni. Image- Cariboni. Back in 1765, Nelson’s HMS Victory was considered ultra-high tech, a top-of-the-range mechanical platform. Up to 37 sails could be flown at the same time, with a rigging that [...]

Why our Micropac MD two speed hydraulic hand pump is a game changer

By |2021-07-12T10:07:05+01:00January 7th, 2019|Hydrostatic Pressure Testing, White Paper|

  Just a quick online search for manual two speed hydraulic hand pumps (or “two stage hand pumps)will show up a multitude of different options currently on the market. Many of these workhorses have been around for more than 50 years. There are 700 bar oil hydraulic pumps by the dozen from all the big [...]

How to Create a Hydrostatic Pressure Test Certificate

By |2018-05-12T11:35:25+01:00May 9th, 2018|Hydrostatic Pressure Testing, White Paper|

What will a Hydrostatic Pressure Test Certificate say? If you look at the simplest form of a hydrostatic pressure test certificate, it will state a medium plus a pressure, then go on to declare that on a certain date that the part (whether it is a hose, pressure vessel or whatever) was taken up to [...]

Our Ten Tips to Make a Hydrostatic Pressure Test Easy

By |2018-12-16T19:09:41+00:00May 9th, 2018|Hydrostatic Pressure Testing, White Paper|

How to hydrostatic pressure test Tips from 35 years of Hydrostatic Pressure Testing expertise Our Micropac MP series pressure test pump offers a good quality and lightweight unit that will last for years. This is what we have learnt over 35 years of manufacturing our Micropac pumps for pressure testing Professionals. Whether you [...]

Sample of Risk Assessment for Pressure Testing

By |2018-05-10T15:47:37+01:00May 9th, 2018|Hydrostatic Pressure Testing, White Paper|

How a Risk Assessment for Pressure Testing is an essential first step. We have provided here a typical Risk Assessment for Pressure Testing. Just like every other activity in the workplace, you must assess risk. Because we are using a pressurised system, there are real risks through failure of the test piece, the system itself [...]

How to Hydrostatic Test – including a sample procedure

By |2018-05-21T09:32:10+01:00May 9th, 2018|Hydrostatic Pressure Testing, White Paper|

Guidance on how to Hydrostatic Test and a sample procedure. A Micropac “Duo” combination Air Driven and Manual hydrostatic pressure test pump unit is a very neat solution. The 50 litre 316 trolley unit shown here is used continually in a petrochemical plant. Firstly, a hydrostatic test is the same as a hydrostatic [...]

Tips for Fitting a Hydraulic Seal to Hydraulic Pumps

By |2018-03-07T18:14:22+00:00March 6th, 2018|Hydraulic Seals, Most Popular, White Paper|

This is what we have learnt about fitting hydraulic seals into our pumps. They will be relevant to most other hydraulic equipment. We will add to it and are always happy to receive feedback. Contents: Three tips for easy hydraulic sealing before you start. Things to beware when you’re stripping hydraulics down! Our five big [...]

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