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>> Home > Boat Building Blogs > Vintage Model Works 46" RAF Crash Tender
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mdlbt.com/23951
Vintage Model Works 46" RAF Crash Tender Print Booklet
Author: robbob   Posts: 97   Photos: 589   Subscribers: 21   Views: 38890   Responses: 278   |   Most recent posts shown first   (Show oldest first)

Showing page 10 of 10   |   Jump to page: 1   2   3   4   5   6   7   8   9   10  

mdlbt.com/24102
Gunwhale stringers. - Posted: 29th Oct 2016
The cabin sides are now glued to the assembly and checked for square and left to dry while I dig out the wallpaper steamer in preparation for steaming the gunwhale stringers. I have a length of aluminium tubing that is ideal for a steaming tube, one end can be sealed using some duct tape and the length of the tube is sufficient to take the strakes over distance that they need to be formed.
The outlet tube of the steamer is long enough to reach outside to prevent condensation inside the workshop and stop my glasses from steaming up too !
About 15 minutes is sufficient to soften the wood and make it very pliable and when ready they are placed in the bench vice and bent to a curvature greater than required so that when they are cold they relax to approximately the right amount. The stringers are actually laminated from two pieces and the inner pieces are fitted first on each side so that the assembly doesn't twist, these are epoxied and pinned into position and lots of clamps used to hold it all together. At all stages the assembly is checked for squareness.
The process is repeated for the outer lamination of the gunwhale stringers, and so far I haven't managed to snap anything or scald myself !


Attached Photos - Click To View Large

Response by BOATSHED on the 31st Oct 2016
Hi just seen your reply, I clicked on your name robbob and it came up you are in London, I don't know where about's
in London you are but if there is a great pond on Clapham Common, its called Clapham Common Long Pond. Its a good pond I used to go there quite a lot, will proably start again come next spring. Hope this helps.
Response by robbob on the 31st Oct 2016
Hi Boatshed.
I'm actually in north west London, Mill Hill/Hendon and there are no local boating lakes remaining.
The nearest may well be St.Albans or Stevenage, also there are no model clubs or societies that I am aware of in my area which is a shame as a club membership and the resulting breadth of knowledge and experience would be very welcome.
Also, Clapham is 'sarf' london and there be demons!
No disrespect to south London members. 😀
Robbob
Response by BOATSHED on the 1st Nov 2016
I live in Darenth on the edge of Dartford, its a bit of a trip but its a great pond. I could go out to Maidstone as well, that's a good pond and if you want to use ic then its a Saturday job for those. St Albans or Stevenage is a fair old run from you.

mdlbt.com/24091
Vintage Model Works 46" RAF Crash Tender - Posted: 28th Oct 2016
Happy that keel and bulkheads fit square and true so they can now all be glued and pinned using the 30 minute epoxy.
I have decided to chamfer the keel parts particularly at the bow, parts K2, K3 and the chine formers, to the approximate angles where required before assembly as it's easier to do at this stage while they are off the keel and they can be lightly trimmed and shaped to their final angles later. Once all the false rebates are fitted to the keel it is slotted into the jig and the bulkheads glued and assembled on the keel, the metal brackets ensure that it's all kept true and square. Brass pins in pre drilled holes and lots of clamps hold the parts firmly while the epoxy sets.
The Cabin sides are dry fitted to lock everything in place.

Attached Photos - Click To View Large

Response by Boat660 on the 23rd Jan 2019
Hi Rob,
I briefly had a conversation with you last weekend at AP.
This is a general question on the build blog, (by the way your build and finish is exceptional) that I have read several time to familiarise myself on the build detail and would welcome your advise. I'm itching to purchase the fire tender. I'm a confident model builder, however I have never built a wooden boat before, and note your comments on the gunwhale stringer, and skins which is holding me back from the purchase.🤔
Russell
Response by robbob on the 23rd Jan 2019
Hi Russell
I assume that you are referring to bending the stringers and skins?
There's no need to be worried, the ply skins respond very well to heating with a hot air gun (electric paint stripper) and the obeche stringers, if well steamed, bend fairly easily too.
Scratch that itch and buy the kit, you won't regret it.
Robbob.😁
Response by Boat660 on the 23rd Jan 2019
Thanks Rob, will do.

mdlbt.com/24037
Vintage Model Works 46" RAF Crash Tender - Posted: 23rd Oct 2016
Glue, pins and sanding sealer at the ready.
I have put the 'vee' cuts in the cabin sides to allow for the sharp bends and also where the wheelhouse window needs to bend to meet the roof, the rear cockpit sides have also been glued to the rear of the cabin sides.
The propshaft slot has been cut, the false keels will also be pinned to the main keel with 15mm brass panel pins.

Attached Photos - Click To View Large


mdlbt.com/24031
Vintage Model Works 46" RAF Crash Tender - Posted: 22nd Oct 2016
Dry fitted all the keel parts and bulkheads and transom, the jig has supports at the front and rear to secure the bow and transom in perfect alignment and metal 'L' bracket to keep the bulkheads vertical and square.
The cabin sides lock everything in place but will require some shallow cuts on the inner surfaces to bend properly without breaking.
I'll be using Titebond 11 and Zpoxy 30 minute epoxy as recommended, adhesives have come a long way since my last boat build when mixing 'Cascamite' up to the right consistency was a bit of a pain as I recall.
When the propshaft arrives I can cut the keel to accommodate it and start glueing and clamping it all together.
I have bought lots of clamps to hold the bits while the glue dries, it seems you can't have too many of those !

Attached Photos - Click To View Large

Response by onetenor on the 22nd Oct 2016
Most woods including ply bend better when soaked ( vinegar or ammonia is better than water ) but water is ok and is a bit better when hot.Steaming works even better
Response by robbob on the 23rd Oct 2016
Hi onetenor.
Good suggestions but...
steaming works extremely well for gentle curves and I have used this method very successfully to form the hull skins and strakes.
In this case the cabin sides need to bend quite sharply in a couple of places on each side so the 'vee' cuts allows the wood to do this without the fibres of the outer ply tearing or the ply snapping. Not sure that I'd want to dunk the wood in vinegar or ammonia though 😯
Thanks.
Robbob
Response by onetenor on the 23rd Oct 2016
Vinegar etc is fine once dried out and allows for quite sharp bends Steaming also is good if steamed long enough. However V cuts are very good too .Good luck with the build it looks good so far . John

mdlbt.com/23988
Vintage Model Works 46" RAF Crash Tender - Posted: 19th Oct 2016
Checked the kit contents against the supplied list and it's all complete including the white metal fittings, windows and frames and transfers.
The building instructions and diagrams are less than concise but a good enough as a guide.
Had to buy some new modelling tools, saws, knives etc.
Luckily I already had a Dremmel with a good range of cutting and drilling accessories.
Aliphatic and epoxy adhesives and brass pins are on order so meanwhile I cut out the keel and bulkheads from their respective panels and dry fit them to the building board and jig to see how accurate and square the hull will be.

Attached Photos - Click To View Large

Response by figtree7nts on the 19th Oct 2016
Question are the parts die cut or are laser cut?
Response by robbob on the 20th Oct 2016
Hi figtree7nts.
The parts are cut with a CNC router which seems to give very consistent and accurate cuts and I have not needed to 'ease' any of the interlocking parts.
I recall that the Aerokits 34.5 inch model I built all those years ago needed a little work to make the parts fit, they may have been die cut.
It's also very good quality ply and obeche wood in the kit.
Robbob
Response by figtree7nts on the 21st Oct 2016
Hi Robbob

Thanks for answering my question, I way just curious about how the parts are cut out.

mdlbt.com/23953
Vintage Model Works 46" RAF Crash Tender - Posted: 17th Oct 2016
In May an eBay item caught my attention, it was a 46" unbuilt and complete Crash tender by Vintage Model Works and my bidding secured it for just under £200.
I drove to Gt Yarmouth to collect it from the seller as I did not want to entrust it's delivery to the likes of Parcelfarce or similar.
The kit was indeed complete and in mint condition with fittings, transfers and plans/instructions.
The documents were dated April 2012 and the recommended motor, ESC & batteries etc. were by now obsolete/unavailable so I put call in to Mike Cummings at Vintage Model Works who answered a few questions about the kit and contents, he in turn put me in touch with a very helpful chap by the name of Alan Holmes who recommended a motor, ESC and battery combination from Hobbyking and Component Shop that were more suitable.
I would like to thank them both for their advice and guidance on the construction of the model as it has proved invaluable to me.
Mike also suggested a build blog on this site would be appreciated by others too which I am happy to start now.
I have documented the construction in photographs since the start in Mid May and will continue until it is completed but I decided not to start the blog until I was well into the build and had sufficient material to post regularly.
I am now at the painting stage and slowly nearing completion......

Attached Photos - Click To View Large


mdlbt.com/23952
Vintage Model Works 46" RAF Crash Tender - Posted: 17th Oct 2016
Here's the history bit so pay attention...
Many years ago as a boy in the fifth year of my north London secondary school, circa 1971, our woodwork class was given the option to make something of our own choice.
Having mastered the majority of joints, wood turning, finishing techniques and the making of table lamps, stools and bookshelves etc. this seemed a good idea, so myself and a fellow classmate and model making chum asked if we could construct a model boat.
The teacher, on hearing that it was to be from a kit and not from scratch was a little surprised but agreed.
So my friend and I jointly invested about 20 quid in an Aerokits 34.5 inch RAF Crash Tender from Blunts' model shop in Mill Hill (long since gone like many others) and we set about construction during lesson time and sometimes at break times.
I recall we used "Cascamite" to glue it all together on the advice of the woodwork teacher because neither 'Scotch' glue nor PVA was suited to marine construction.
Good progress was made over the course of our last year at school but it was never fully completed, only requiring painting, running gear and detailing.
My friend decided that he needed to withdraw from the project as he was enrolling in a college away from home to study for a career in the merchant navy and I agreed to buy out his share and continue with the project.
And so it was that I carried on with the painting and installing the running gear which consisted of a 1.5 cc marine diesel engine, water pickup, prop shaft and rudder and a MacGregor radio system with a stick for steering and a single button for speed control.
The engine and radio came from Michael's Models in Finchley (also long gone) for £20 as my elder brother, who had started a Saturday job there, was able to get a staff discount for me.
The diesel engine was noisy and smelly and a pig to start with a leather thong around the flywheel and I decided to abandon this means of propulsion (I foolishly ran it for slightly too long 'dry' and melted the soldering around the brass water jacket!).
By now I had graduated from my part time job in Woolies to an engineering apprentice with Post Office Telephones and my new income of 20 quid per week could support my modelling and electronics hobbies after my contribution to the household for my keep.
So off to the model shop to buy a Taycol Supermarine electric motor, two 12v volt lead acid batteries and a suitable charger.
The diesel came out and was sold on Exchange & Mart and the mount and coupling re-made to accommodate the new Taycol motor.
What an improvement that was!
I can't remember now what speed controller or servo I used but whatever it was did the job, and it went like the clappers on Friary Park boating lake (also long since gone) even though the radio control system was a bit crude with the non-proportional steering and 'blip' throttle control.
The boating took a back seat when I acquired my driving licence and my first car (a rusty old Cortina Mk 1) and I also got involved in sound recording for radio.
I decided to sell the boat and bits for £60 through Exchange & Mart and bought an Akai 4000DS tape recorder and a 'Chilton' audio mixer, built a home studio and along with a good mate of mine started making radio commercials for the new commercial radio stations including London's Capital Radio.
We even won a 'Campaign' advertising award for one of our efforts! And so after several years as a 'phone engineer I moved into professional recording for A/V and broadcast and then into TV production.
Fast forward to today.
Semi-retired with grand kids and with more free time on my hands I still had an interest in model making so In Jan 2016 went to the Model Engineer exhibition at nearby 'Ally Pally'.
It was there that I saw an RAF crash tender just like the one I built all those years ago and got into conversation with the chap on the stand.
This re-ignited my model making interests and I researched the hobby and that model in particular.
Response by jd on the 15th Nov 2016
Very nice, cant wait to see the finished project. I recently built a model of a fire boat that I operate. I built the one I did from scratch as well. It being my first model I could have surly benefited reading your post prior to building mine. I put post of mine on this site about 4 years ago. Would like to start a new project looking for something like your tender. My project was an outboard which mad it difficult to find motors to use.
Next time it will probably be an inboard. Best wishes.

JD Thomas

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