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Showing posts with label morgan 4/4. Show all posts
Showing posts with label morgan 4/4. Show all posts
10 September 2019
Wear out a Morgan gracefully
Particularly impressive is the way the ECU keeps the engine in tune. Starting is instantaneous and the engine has always run perfectly. This includes several trips abroad using all kinds of terrain and types of road. To get a flavour of these ventures, see elsewhere on this Blog.
11 August 2019
Making a steering wheel.
The Morgan 4/4 already had a wood steering wheel the Mota Lita but it is really substantially aluminium alloy with only the rim made of wood and that is plywood with little intrinsic strength, having laminations that are radial and so adding no rigidity.A recent wandering through a classic car show sparked the idea, seeing a 1914 Hupmobile with its wooden spoked wheels and a crude wooden steering wheel that has stood the test of time.
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Having already made a few wheels for toys for my young grandchildren I knew it could be done for the Morgan and set about the job with a wooden mould onto which the timber would be built up in laminations approximately 1/16th in thick. Cascamite resin glue was used for the outer rim and its a sticky job requiring glove protection for my hands.
Firstly the laminations are cut and planed to size and steam softened over boiling water in a pan. Allowed to cool and held to the mould with crocodile clamps. The tricky bit is ensuring full contact between the layers. There are probably better methods than mine such as vacuum bagging or wrapping with string to exert sufficient pressure. But this was to be a prototype and seems to have succeeded but admittedly, could be bettered.
Spokes most of which were rejects. Note the sharpened one drove through the redwood plank. |
Hub and rim moulds |
The outer rim is easier to fabricate than the inner hub because the clamping has more space to fix the clips. For the hub I resorted to laminating the outer layer free of the mould; after setting, the inner laminations were inserted and clamped from the inside as they naturally expanded to meet the surface of the outer layer. The ends of all the layers were feathered at both ends and tapered so that there were no but-ends or gaps. Once completed the two rings were lined up and marked out for drilling. Holes go into the outer rim from the inside approximately ⅓ in deep so as not to penetrate through to the outside. The inner hub was drilled to the full depth so that the spokes could be inserted from the centre of the circle and out through to the rim.
Spokes were cut from mature bamboo and approximately 3/32 in diameter. Each one drove through a suitably drilled hole in a piece of steel bar to ensure they were of a similar size.
Finally, the whole thing was sanded smooth and a coat of linseed oil applied. If you are not sure of the strength of bamboo to make spokes I can confirm that it is more than adequate, having driven a sharpened test spoke through a 1 ¼” plank without any harm to the wooden “nail”.
With the steering wheel now in place, I am delighted with the result and tested with a drive out to Bristol. Further drives around Devonshire including Dartmoor and the narrow lanes have confirmed the wheel to be a success. Lighter in weight and more sensitive to the way a Morgan gives back road surface feeling.
Also fabricated is a new gear stick knob to match the wooden dash, replacing the alloy one that was cold to the touch.
For previous attempts at wheel building, see earlier post: Balance Bike
19 July 2018
Mog AwayTo Finch's Foundry
The National Trust operates many a wonderful heritage property but this particular venue is probably our favourite one in all of Devon. Today the sun was beating down and the grass rapidly turning a parched shade of biscuit brown. We enjoyed a gentle picnic in the Orchard Garden that slopes towards the south.
Finches Foundry lies in the middle of South Tawton just off the A30. From the road it does not appear to be much of any significance, blending easily with the roadside cottages, local pub and is easily overlooked. But spare a moment and look closer; behind the row is a delightful tea garden and cafe alongside an ancient Quaker burial ground beside the river Taw. Within the building the old foundry and blacksmithy houses a wealth of machinery and collected tools that were made on this site.
Out of sight from the road A382 are the waterwheels that still operate below the elevated waterway which channels thousands of gallons every day into this power house of industrial archeology.
After our stop here our next stop was at the National Bee Centre in Okehampton and then a pleasant drive over the moor via Grimspound and Widdecombe. Had to reverse about two hundred yards for a 30Ton lorry - Enjoyed an ice cream to cool off.
One of several such water wheels |
Above head hight the raised leat flows with the crystal clear Dartmoor water |
This wheel powers air blower fans that generate heat in the blacksmiths forge |
The shoot carries surplus water away down the leat |
The forge and the anvil |
Off road parking where the 4/4 is quite safe |
The ton and a half power hammers |
Ancient timber gantry with pully wheels and belts overhead |
Cogs and bevel gears hum and drive belts flap and flail |
The teeth on the cog wheels lift the power hammer |
The leat that powers the wheels underneath |
18 December 2016
Dash Cam up to Dartmoor
A foggy grey day was left behind today as we head for the moors and a meal out. Testing the dash-cam fitted to the Morgan here showing parts of the preferred scenic sections.
The film begins at the foot of Telegraph hill with a romp to the top where we pass the Haldon race course on the left. Descending into the Bovey Basin some misty veils linger about as we pass the exit to Chudley and the filling station. I cut the film forward to The Dart Bridge and a twisty section – The Dart Bridge is under repair, having been hit too many times by traffic squeezing between its parapets.
We pass some pony riders at the foot of the next steep climb which the Morgan gallops up at full throttle, until a sharp right hand bend is upon us. Into Poundsgate at a snail's pace creeping through the sleepy hamlet, past the old red pillar box, over a bridge and into the next hill section. This is a lovely sharp right hand climbing bend, and a squirt up and away until a thatched cottage on the left is passed. It is owned by English heritage and under renovation, soon to be made viewable to the public. Now rising into much clearer air the sky is an inviting quite intense blue. Halting at a roadside pull-in we pause for a walk up to a large gorse bush where this delicious bright orange Chicken Fungus is found. Said to taste of chicken, once lightly fried and brushed in oil.
Sharp Tor |
Returning onto the homeward run we loop towards the village of Holn, passing across Vennford Reservoir dam.
The Dart is seen to be very low and passing us heading off the Moor are a number of disappointed canoeists, having given up any idea of a paddle down the rapids.
We reached the Fox Tor Café by midday and by 1pm the place had filled with diners. The log fire throws out plenty of warmth.
Homebound with a brief shop at Trago Mills superstore, then back to Kenton, which was still cloaked in fog.
Gorse Bush hosting a bracket fungus |
Bracket Fungus |
Princetown on the far left horizon |
19 March 2015
Brixham for Fish and Chips
Beautiful spring weather to make our regular run to the fish market to stock the freezer. Half the price and twice as fresh Plaice.
Traversing the chaos of Kingskerswell by pass today called for some patience and close attention to temporary detours. A herculean effort will be necessary to complete the scheme by this summer.
Brixham never fails to provide interest for day trippers like ourselves. With tide full out the beautifully faired hulls of the several wooden trawlers under restoration, can be seen to full advantage.
We park up by the lifeboat station and head round the harbour to the market then retrace our steps to the chip shop for lunch.
A hazy atmosphere pervades across the pale blue sky today and the sun lights up the pastel shades of Brixham.
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