BHPian
Join Date: May 2010 Location: Mumbai,Pune
Posts: 107
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| Restoration: 1948 Douglas T35 Mk3 Sports Motorcycle So there was news of some rare motorcycles which were bought by an acquaintance , never one to miss an opportunity to view rare motorcycles my Brother and I went to meet this acquaintance, he had, as it happens bought two Douglas Motorcycles , One was a 1931 Douglas A3 and this , a 1948 Douglas T35 Mk3 Sports, both the motorcycles were in poor shape, however the 1931 Douglas A3 was surprisingly better off with most of the important bits available on the motorcycle, same could not be said about the 1948 Douglas T35, it was pulled out from a Paddy field behind an old Garage somewhere in West Bengal, apparently the owner had some mechanical issue with the motorcycle some time in 1960. the motorcycle was sent to the garage where the mechanic opened the engine , but due to lack of parts or the inability to source the parts meant that the bike was left at the garage, over the years it was moved to a location behind the garage adjoining a paddy field which was hugging a river and more or less forgotten.
The Acquaintance offered the Douglas T35 as available for sale, and without giving any thought to the matter or even inspecting the motorcycle properly ,I said YES.
It was 1 Feb 2006 when I bought this motorcycle home, Up until I saw this bike I had never heard of this British Marque called Douglas, even though I own quiet a few vintage British motorcycles.
Reality quickly dawned the next day when my brother and I started opening up the Douglas, It was amply apparent that the bike had many engine internal components missing, the engine was taken off the chassis, and almost immediately hit our first road block, we were unable to split open the crankcase ( as i mentioned earlier the bikes front end was submerged in the paddy field and the crankcase studs had corroded and fused with the aluminium case, ). This crank case splits vertically. We tried what ever we could at the time which included drowning the engine for a month in Diesel and penetrating oil, applying heat, hammer etc, all unsuccessful.
While the engine was having a bath in diesel, we took a closer look at all the parts that were missing, but to do that we needed the manuals, A company called Elk promotions in Kent, UK, were supplying reprints of the original owners manual and parts list, they were ordered and received
There were a host of Engine parts which were missing:
1. Rocker covers only one available
2. Rocker assembly, only left side was on the bike right side was missing
3. Valve springs only left side was on the bike right side was missing
4. Valves left side available , right side missing
5. Both pistons missing
6. The connecting rod of the left side cylinder was slightly bent and the small end where the gudgeon pin goes was damaged
7. Oil pump was missing the rotary vane
8. The crankcase was holed at various places owing to water inside the crankcase.
9. The timing gears were in very poor shape and badly corroded
10. THe timing gear cover was badly holed at various places
11.Dynamo was missing
12.Carburettors missing both side (they use Amal274 extremely difficult to source)
13. Push rods missing
14. Cam followers one was broken
15. Cams were completely rusted and the cam profiles were pitted badly
16. Bearings were rusted and seized.
17. Single plate clutch (like a car) was available but the clutch basket was corroded and holed at various places
18. Clutch actuating mechanism was completely missing (It has various individual components)
19. Gear box was complete but a few internal nuts had their threads ruined
20. Drive chain was missing
21. Exhaust and bend pipe missing
Among the body parts missing:
1. Original headlamp and switches was missing
2. All control levers and switches missing
3. Speedometer missing (it uses Smiths 12Mph)
4. Seat missing
5. Mudguards , front corroded, rear one was torn
6. Mudguards stays broken
7. Tank was totally gutted , there was no bottom
8. Rims were totally rusted and holed
9. Tool box covers were missing on both sides
10. Main stand was broken.
The Good part:
Even though a lot of parts were missing some good items were thankfully intact and untouched
1. The Radiadraulic front forks are unique to this motorcycle and it was intact
2. The Torsion bar rear suspension also unique to this motorcycle was intact
3. Most of the fastners on the motorcycle were untouched indicating that the body perhaps was left unmolested.
The amount of missing parts meant that we required to source them, but it was no easy task, It was decided to park the bike in the Garage with my other motorcycles and search for parts, initially I was only looking on eBay UK for parts , but they were few and far between, years went by and whenever something i needed came by i would pounce on it , luckily i never stopped looking, On a visit to the UK , i was lucky enough to attend an auto jumble and got few important parts including a new Piston set, a used crank case which was in very good condition and a box of assorted parts which had a set of timing gears, cams, clutch basket, a few clutch actuator parts (not all the bits though),In 2014 , I joined the London Douglas Motorcycle Club LDMCC, this club was established by owners and to this day run a very effective spare parts supply which helps keep most Douglas motorcycles on the road, I received a lot of help from club members who helped me with parts and their experience,during my initial correspondence with the club they informed me that this bike was indeed a Mk 3 Sports model sent to India from the factory in Kingswood Bristol on 26/10/1948 , this was one of just 11 motorcycles sent to India at the time , The sole dealers of this motorcycle were Modi & Co on East Street Pune, (Many would know it as being Sherri Bhatena's Garage on east street pune)
By 2017 ( eleven years after purchase), I had almost everything that was required to rebuild the engine, The engine was brought to Mumbai and with the help of a mechanic friend managed to split open the engine, The crank was completely rebuild, the connecting rods straightened and the small end repaired, the cylinder barrels were honed , Again there was a lull in the activity due to work commitments ( I spend quiet a few months at Sea).
Year 2020, I was back from sea just in time before the lockdown , It meant that i had a lot of time at hand , I took that time to read the complete Douglas forum which really helped with building knowledge about the marque , just as the lockdown eased, i decided to complete the bike, I set up a small workshop inside my flat in Mumbai and I got the crank ,crank case, cylinder and head back from my mechanic friend and started the restoration of the engine in July, almost every aspect of the engines rebuild was tackled at home, the chassis and body parts were in Pune where my Parents live, so work was divided between these two places,The sheet metal work was tackled by a Master in the trade (Tambi in Mumbai)he made the Tank, repaired the mudguards,made mudguard stays, made the number plates, battery box,and some other tin work , Some components needed to be made on the lathe , they were done by a machinist friend in Pune, The Valves, Valve guides, pushrods, valve springs were made to very high standard by a firm called Vikram Valves in Rajkot Gujrat (they were nice enough to make small batch of these items as business was down during the lockdown) The quality of the product were just too good , I had to send them samples which were arranged mostly from the UK ,thanks to LDMCC members who had some old used parts, All the fastners were renewed, thanks to American Nuts &Bolts in Opera House Mumbai ( This is another incredible place for people looking for almost any kind of fastners)The three main size used on this bike are 1/4" BSF,5/16" BSF and 3/8"BSF , The thread taps and dies were bought from Kasam Ali Taps and dies in chor bazar, A friend in Malad helped with parts for the Dynamo and fuel taps, The horn(Lucas HF1441), tail lamp(Lucas MT211), control levers (Amal), throttle (Amal),knee pads, were sourced from a contact who deals with vintage British bike parts in Mumbai, An original head lamp cowl (Lucas MU42) was sourced form Rajasthan along with 2 x 19" Dunlop WM2 40 hole rims (FB contact),The rims were wired with spokes by Ustad KHan near Borivilli, The Magneto was overhauled in Pune. Amal 274 carbs could not be arranged so I made a flange adaptor and used two Mikcarbs 20mm carbs. Oilseals were sourced from Ghanshyam and co in opera house.
A big thanks goes out to all the people who have helped in putting together this bike , be it helping with parts, or advise
The aim was to put together the engine chassis and body parts , start the bike, iron out the imperfections and then pull her apart later again for Paint,plating and chrome,ffor the time being, the body parts and chassis were wire brushed and given a coat of rust converter, two coats of primer, and one top coat at home .
The Engine was fitted with the Clutch and then the gearbox and engine were mated, the Magneto was fitted and the timing set with the points set to open 36deg before TDC, once this was done the engine and gearbox was mounted on the motorcycle, and oil filled as required (different grades in the engine and gearbox)
All the control cables were modified for length and fitment using solder.
It was a great sense of relief and happiness to finally put the bike together, and fire her up for the first time since 1960.
For now the jobs pending:
I still need to fabricate the exhaust bend pipe, heat shield and end can which will be done in Pune , The Main stand has to be fabricated,The fuel tank cap has to be made, the wiring has to be done.
I am uploading a few photographs of the motorcycle for your viewing pleasure. |