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It is a Stihl TS760 disc cutter engine on the early Alpine Magnums, I have one...

Try HPC Gears in Chesterfield they can do custom parts... https://www.hpcgears.com/n/left_menu/custom_parts/custom_parts.php

Probably more appropriate to hire a consulting arborist who specialises in tree roots and mortgage reports, subsidence etc. Let that arborist decide what the appropriate test methods are needed. Try having a chat with David Dowson at Treelife AC and TreeLegal.

Chain sharpening is a bit of an art not difficult to learn, you need a 4.5mm round file and some kind of file holder for that chain... https://www.newsawchains.co.uk/products/file-guide-45mm Alternatively buy a guide like the oregon and a 4.5mm file https://www.frjonesandson.co.uk/products/oregon-chainsaw-filing-guide-clamps-on-bar/ Buy a spare chain as well, this firm lists your chainsaw... https://www.newsawchains.co.uk/pages/product-result?rq=md_black-decker~io_cs2040~ky_16-40cm~an_1-3mm-0-050~ac_3-8-lp If you can find someone local to show you how to sharpen, helps get started

I've owned a Husqvarna 536LiPt5 its the telescopic saw since 2017, it replaced my power pruner badged petrol machine. Been very happy with it, battery life good, enough power....no fumes, no twisting torque when you open up the throttle seems well made, though only used by me a few times a year...I use the Husqvarna cordless pro machines when I can.

Where in North Yorkshire are you based ?

I bought the Husqvarna cordless disc cutter K535i, its 9" blade and very well balanced and capable...cuts 3" depth with ease...

Here re a couple of resources that might help Grants schemes etc - https://www.gov.uk/guidance/tree-planting-and-woodland-creation-overview There's a guide to download on this page https://www.gov.uk/government/publications/a-guide-to-planning-new-woodland-in-england In the current climate with the prevalance of pests and diseases that are causing serious impact on particular tree species eg ash dieback, oak processionary moth ...etc... I'd be inclined to plant a mix of half a dozen or so species that are well mixed in the woodland...a woodland should also contain some open spaces...habitat areas etc... if you need to produce some income from it so it is in effect at least cost neutral in the longer term then I'd also consider whether it is practical to add a couple of yurts, glamping pods etc into the mix... I would make a visit to other woodlands local to you and make a note of the tree and habitat species to help with decision making. The other alternative is a small christmas tree farm...

HPC gears in Chesterfield offer a custom part service, saw it in their catalogue https://www.hpcgears.com/n/left_menu/custom_parts/custom_parts.php Not tried it yet...

Can anyone share their experience of buying and owning a 2nd hand Iveco Daily/Mercedes Sprinter/VW crafter van SWB/MWB, 6-10 years old with say 80-100000 miles or so on its clock ? Some of these available as a 5 tonne...

Differences are subtle between all of the shall I say "mahoganys, mahogany type/mahogany substitute" timbers ...have quite a few different bits kicking around.. best people I've come across at identifying are in the timber buying trade......time served and well travelled...

Had a further look at this and some of my books...the most recent photo looks more like a mahogany...now if I reference the book World woods in colour and your cross cut section...Sapele pores are clustered rather than evenly spaced, African mahogany pores are clustered, Honduras mahogany pores are evenly spaced throughout the wood, Iroko pores are scattered and coarser and is browner....might be worth a look at the trada database Perhaps you have a proper mahogany

My first thoughts on this are Sapele or Iroko, both used for this kind of project...I've a staircase made of Iroko and in last few years replaced a porch cill with Sapele...both similar to your pictures if you try cutting with a handsaw, Sapele cuts relatively easy, Iroko a bit harder

Damaged a planer thicknesser roller a while ago and bookmarked a firm called Clifton Rubber, don't know what they are like to deal with... https://www.cliftonrubber.co.uk/ Might be worth a call.. Managed to get a spare part without recovering

Cool...its a great machine and fits so nicely in the hand... Did you buy the M or L version of the hoover ? I thinking of getting one in the future for sander and router and I also need to get something more suitable for the planer thicknesser ...when funds allow...just manage with the record RSDE2 doing both tasks...it struggles planing boards wider than 6" Have you seen these - https://www.scosarg.com/itech-dc001s-1-bag-dust-extractor Seen one of these working at a cabinet makers I know and will do a 12" planer thicknesser according to the spec There's always axminster stuff

Many will post or send on a pallet/double pallet for larger quantities... Try Duffield timber duffield timber.com they are near Ripon and Iroko is a stock item

I use the Mirka Deros with 6 inch pads, it is superb...I connect to a standard record RSDE2 dust extractor that gets used for everything...heard of people connecting these to vacuums such as Henry... Mirka do live hands on demos, they have reps who go to local merchants such as dulux decorator centre...you might be able to get a demo arranged.. The tech support is great, if you have a sanding or abrasive life problem they will help...

There is a book you may find useful - Woodlands a practical handbook, by Elizabeth Agate

Lots can be done with hand tools, saws, brushcutters, chainsaws etc, if budget allows contractors with flail machines can be quicker if access is possible and terrain suitable

Sounds like a good project, lots to do....Before you do anything try and develop a basic woodland management plan, establish short, medium and longer objectives for the woodland, garden etc. If necessary get help with this before you start any tasks. Can't beat a good plan...make a few notes... Decide what you can tackle and what requires a contractor. Allocate tasks and a budget for each year for first few years... Plenty of resources out their to help, forestry commission, small woods association etc https://smallwoods.org.uk/. Become aware of any likely legal requirements such as felling licences, specific requirements for larch , are you in a conservation area etc..plenty of info out their to help... https://www.gov.uk/guidance/tree-felling-licence-when-you-need-to-apply

ITs a good starting point, I did the course with Treelife (Tutor was excellent...) - went to their classroom based course for 12 Mondays spread over 9 months, really enjoyed the experience, met some interesting people and its given me a good grounding.

That's interesting to hear Another point if we do try and get hooked/like a Chinese chain brand we would want to run with it, not suddenly find that you've decided to trial yet another whilst you firm up on which you're going to stock. I'm in the market for some stuff next year, just been doing a review of what I have...even had some talks on some shiny new orange-red-white things... Yet another use for the kitchen.... Arbtalk.co.uk | Discussion Forum for Arborists

This idea quote "This is a starting point. We'll see what people think of which chains and narrow the list down to one of the manufacturers." is flawed... If a customer gets his/her fingers burnt with your Chinese chain and it is rubbish he won't come back again for another round with you at his/her expense, you'd be lucky to get any other business out of them... You are asking us to do your trial work at our expense...there's no commercial sense for a customer to keep buying unknown Chinese chain from you whilst you narrow it down to the right one It also means your trial data and commercial judgements on which Chinese chain to import is not likely to be meaningfull because you've no set of users that's trialed each one...