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Member postings for Lindsay Todd

Here is a list of all the postings Lindsay Todd has made in our forums. Click on a thread name to jump to the thread.

Thread: Terrysaur
04/08/2019 19:32:23

jurasic lark.jpg

So here is something a little bit different and just a bit of fun for the slopes. test flights done and the model fly's quite nicely so build blog over the next few weeks as time allows.

terry saur 1.jpg

more soon Linds

Thread: header pipe
18/05/2019 21:35:19

Hi John, from memory I have a figure of about 14 inches from the piston centreline to the cone on the pipe however this will depend on individual motor, prop and fuel being used so some experimentation will be required by starting with a longer section of connecting silicon tube and reducing the length say 1/4 inch at a time whilst checking for peak rpm and throttle response. hope that helps. Lindsay

Thread: Matt's renaissance build
12/05/2019 21:21:49

Nice one, it struck me that a biplane version would work well. Lindsay

Thread: Tony Oneilll Renaissance
12/05/2019 21:18:13

Excellent well done hope you enjoy it. Lindsay

Thread: Bristol Blenheim Mk1V
25/03/2019 00:19:03

Hi Monz, thanks for the interest, in due course I hope it will be available, have had a number of requests including some larger versions from the LMA but I have to get the prototype finished first and some test flights done so that is still a few months away. There has been more progress and will update this thread in due course.

Linds

Thread: 2019 Mass Build
06/03/2019 10:08:06

Gents image below is from the original plan sent into the mag, I have identified the centre line and position of first two ribs out, hope this helps clarify any irregularities found. Lindsren.jpg

Thread: Dave Burton (BEB)
31/12/2018 19:25:04

Dave was something just a little bit special, a fellow club member for many years and of course his association with RCM&E magazine and this forum, he was a friend that I will miss greatly. Our thoughts our with his family. Lindsay

Thread: Bristol Blenheim Mk1V
30/12/2018 21:03:59

Sorry not had much chance to update just really busy with work this last year and combined with a few other priorities flying and building has ended up suffering. There is some progress though since the last update, the model has now had its first coat of primer, panel line detailing started, dummy exhaust model has been started from which I will make a mould and cast these in resin due to all the horrible angles and shapes as I will never carve two the same.

the cowls also have a series of dome mouldings and these are being done the same way, again in progress but not complete just yet. There have also been an annoying number of 'hanger rash' issues that have had to be dealt with simply through storage and moving things around so much but everything is now dealt with and glass cloth coated so that should be a thing of the past.

I will update before to long when time allows to update the photos

Linds

Edited By Lindsay Todd on 30/12/2018 21:04:56

25/10/2018 00:47:18

Yes bit embarrassing this has taken so long, house move and restoration largely to blame (still on going but at least its the internals now). Just thought I would add a couple of photos of the cowls with the second row of plates in place just before the finishing resin going on.

24oct18a.jpg

24oct18b.jpg

Will crack on and get the cowls finished now with blisters and details and get the final coat of primer. Will then get both engines mounted and test fit the cowls and then look at the dummy exhausts and ensure the cooling around the DLE 20's is sufficient so quite a bit to do but will get this done hopefully over the next 2-3 weeks.

Linds

Thread: Renaissance by Lindsay Todd
25/10/2018 00:39:33

Hi Nick, sorry still a bit confused as he last photo relates to gluing the u/c plate and underside of nose section that spans across the fuselage and then sanded and trimmed to shape, I can't see a 'wavy line' anywhere. Are you referring to the internal fuselage tray that forms the battery bay and servo tray that has a jigsaw type joint, if so that could be a single piece, its just the way it was designed for the cnc parts and not critical in any way.

Linds

24/10/2018 01:20:57

Hi Nick, sorry not sure I understand the question about the fuzz being scalloped, can you elaborate a bit?

24/10/2018 01:19:51

Hi Dave, re tailplane area, 18-20% of the main wing area is usually a pretty safe bet. Linds

Thread: Bristol Blenheim Mk1V
24/10/2018 01:11:53

Well evidence of some work at last, actually more complex than it might look to create the fins around the edge of the cowls. As I am relying on a clearance to aid cooling the plates need to be set at an angle of about 3 degrees. Fortunately this translated into a 3mm spacer but the down side was that each cowl required 28 trapezoidal plates to be glued in place around the circumference, each one being moistened and clamped to create a slight curve. then marked out and glued in two rows, the second row overlapping the first to create the desired effect.

img_4160.jpgThe plates are made from 0.5 ply and equi-spaced around the cowl with a 7mm overhang and glued at the front edge with pva and taped till dry.

img_4156.jpg

Spacers of 3mm were used to set the angle whilst the glue dried

img_4159.jpg

Lets just say it took longer than planned, the second row of plates now goes on and overlaps the first so its a repeat of the process and there were two cowls to do. I'll photo when dry and then give them a coat of epoxy laminating resin on the outside and run a bead of epoxy and micro balloons into the inside gap to fix there position. So glad this job is nearly out of the way, just some blisters and panel details to follow.

Linds

Thread: Ashbourne Scale Day
24/10/2018 00:47:28

Sadly could not make the change of date due to other commitments, looks like it was a great day, love the video of Ian's Pup. Linds

06/10/2018 21:56:23

Can I come and play too, not got to many events this year for one reason or another. Linds

Thread: Which part of building a new traditional balsa model plane do you enjoy the most?
06/10/2018 21:49:37

For me its always been the design process, working out appropriate solutions and pulling the design together, the build and flying tend to mark the end of a project and I start to think about what next, Covering is my pet hate though.

Linds

Thread: Bristol Blenheim Mk1V
19/08/2018 22:58:18

Yikes over a year since an update but it still lives and the first of the two DLE20 engines has now been bolted in place. I plan to figure all the throttle linkages and tank positions on the first wing and then repeat for the second in mirror image so to speak. Its amazing even with a reasonably larger model how space starts to disappear once critical components start to go in. I will gets some more photo's updated before to long. I think this is my longest ever project now and its been difficult to sustain progress trying to fit it around other things that have had to take priority but I have made some slow progress in recent weeks at least.

Thread: Renaissance by Lindsay Todd
19/08/2018 22:49:52

Had not realised that the build overview had already been released on this site so will close this off as no point in repeating. Linds

https://www.modelflying.co.uk/news/article/building-renaissance/26382

 

Edited By Lindsay Todd on 19/08/2018 22:51:29

06/06/2018 01:02:53

So time to start some sheeting using 3mm soft balsa trim roughly to shape, I then moisten the outer surface to aid the bend and then glue in place with aliphatic glue and pin in place to sides, formers and stringers. When dry repeat for the other side

014.jpg

The sheeting can also be added to the front including around the cockpit using the same technique using pins and pegs to secure till dry and then repeat for the other side. Make the cockpit slightly oversize so you can trim back more accurately to shape later.

014b.jpg

also a good chance to add the 6mm balsa sheeting to the underside front fuselage from U/C plate forward

014a.jpg

leave till dry and trim and sand to shape.

more soon. linds

05/06/2018 00:25:17

Motor bulkhead former F1 and F2 showing the doubler added in front of F2 at the dowel position and triangular reinforcements to the sides. 6mm square balsa has also been added to the lower fuselage edge

007a.jpg

The fuselage sides can now be glued together, at the rear two triangular wedges of 6mm balsa brings the sides together, the top forms the tail plane seat. Clamp till dry.

008.jpg

I use a range of clamps and elastic bands to keep everything together. NB ormer F7 on the bench, I added this once the glue was dry as it just seemed to be easier to locate its position correctly.

009.jpg

Time to add the 6mm square balsa stringers around the upper sections of the formers, these provide support and gluing area for the outer sheeting

010a.jpg

NB the position of the 6mm stringer that sits at that is glued onto the top of the 6mm sheet fuselage sides. these are inset to allow the top sheeting to match the outer edge giving a good glue joint.

011.jpg

The rear top section of the fuselage is made up of a central stringer and then an additional 6mm strip cut to width, a razor plane was then used to shape the strip to match the former profiles ready for sheeting

013.jpg

The section just forward of the cockpit has a series of 6mm stringers to create support and gluing area for the top sheeting. NB the 6mm inset strip does not extend into the area that will become the fuel tank / battery hatch

013a.jpg

Final jobs before sheeting was to add the 6mm marine ply u/c plate as it offers a bit of protection and also add the triangular strip section around the formers and u/c plate whilst we have access

013b.jpg

more soon. Linds

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Has home isolation prompted you to start trad' building?
Q: The effects of Coronavirus

 Yes - for the first time
 Yes - but Ive bashed balsa before
 No - Ive existing projects on the bench
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