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The Crawler Store Scale Chassis Land Rover

wallaz

Landy mad
Joined
Jun 27, 2005
Messages
425
Location
Newcastle, England, UK
With all the recent Land Rover Defender builds happening I thought it time to get in on the action.
At present the HPI bodies are not available in the UK (as far as I know) so I unearthed the body that I bought off Unimoger many months ago.

unimogerslandy-1.jpg


This was then re-bodied to take a series body shell from Kamtec and happily beaten for many months.

stage1build.jpg


I attempted to modify the original frame to be able to fit a metal bumper and winch mounts. Unfortunatley there was too much flex from the aluminium angle I was using. Rather buy some thicker angle I decided a new chassis was required. The K2-3L looked nice and was very popular, as did both the Diaz and BB51's. To be slightly different I plumped for the Crawler Store Scale Kit with motor mount.
A few days later the parcel turned up as did a number of other items I had ordered. New axles, c-hubs, knuckles and drive shafts.

The axles went together relatively painlessly and so I started on the frame.
Nice and easy until it came to adding the rod ends. Here came my first problem. Using associated rod ends meant I had to mod the motor mount so out came the dremel and away I chopped. Here's the end result.

motormountmod2.jpg


Eventually all the links fit, but then I found the spur gear was rubbing on the opposite side frame. This was overcome by adding two M3 nuts to the width of the chassis seperating bars.

I had lying around some spare sevo mounts so managed to shoe horn 2 inbetween the chassis rails. The left hand takes the winch servo, the right hand takes the steering servo.

servomounts.jpg

steeringandwinch.jpg


I had decided I wanted a sperate front bumper and also wanted to have a winch. I cut up some angle and made some extensions, onto these I added some cut C-channel for the front bumper and bolted it all together.

bumperextension.jpg


I have ended up with a slight problem which will mean limiting the flex slightly as the tyres rub on the bumper

bumperproblem.jpg


I'm really quite happy with the way this bumper looks, and will eventally get round to adding a fairlead on top of it.

A couple more shots of the bumper.

bumperabove.jpg

frontwithbody.jpg


Body is going to be mounted with velcro. I've added pieces of angle on top of the shock supports so I have a level base for it. Also to complete soon is a battery tray up front inbetween the transmission and the servos

batterylocation.jpg


Also to be completed are the electronics tray on the back. I've added 4 standard servo mounts to take the plate that they will be fitted to.

rearspace.jpg


Other plans include possible rear winch, side bars, light bar around the fairlead (when it's made) along with a host of scale accesories from the usual vendors, highlify, roof rack, coolers. I may even try and make up a rear wheel carrier. The links will also be sleeved with 6mm aluminium.

The main job I have thought of is to make a custom bed to replace the flat lexan body.

It will also receive a damn good clean to get rid of all the mtal filings

A couple of other items of information.
Servo mounts are from Twinset here in the UK.
Wheels are from RD400 and may well be swopped for a narrower set
Tyres are narrowed geolanders by extreme-rc.
Winch motor is a hitec 645 I had
Steering servo will be a chicken butt when they arrive
Electronics are a waterproof tekin rebel 2 along with a futaba 6 channel RX.
Main battery packs are 2600mah 9.6V AA's and I will be running a sperate RX pack

And finally if your still awake, a couple of poser shots with the body in place, but not secure, hence the red tin.

I will post more as it happens. Thanks for reading.

frontflex.jpg


sideflex.jpg
 
.

Really nice job, I really like the chassis.

The body needs something out back, maybe a roll cage or something, but looks great nevertheless.
 
A little more progress

Managed to get a few more hours on this during the week.

I wasn't happy with the original winch servo mounts which I had cobbled together. I went and purchased some T section and made a new mount. I'm thinking the material at the base will help stiffen the mount against flex.

newwinchsupport.jpg



I've also managed to bolt togther a battery tray. It's located inbetween the transmission and the servos. I may lower this slightly to get the weight a bit lower.

batterytray.jpg


Next on the agenda is a tray for the electrics in the back, then onto a fairlead for the front winch. Managed to do quick drawing and produce a cutting template.

fairleaddrawing.jpg


I'll update again later.
 
A bit more of an update.

The fairlead didn't work anywhere near as well as I hoped. I have changed plan and have added a plasma rope guide to front bumper.

DSCF0681.jpg


This has meant I have had to add a roller to guide the line onto the winch servo. Nothing startling in it's construction piece of M4 studding with a 6mm O/D tube secured by washers and nuts. This all rotates in holes drulled in the bumper extensions.

winchroller2.jpg


winchroller.jpg



Also managed to get a rear bumper/crossmember fabbed and fitted. Same style as the front as secured in a similar manner.

rearbumper.jpg


rearbumper2.jpg


Still to do.

Locate the electronics, fabricate a rear tub, add some lights.

I'm also wating on some supplies so I can attempt a roll cage.

Thanks for reading
 
Looks really nice, great simple fab skills...gives me hope that I don't need a cnc to make things look good. I have been wanting to do a build like this for long time but I want it to be a 80 series land cruiser to match my 1:1 but can't find a lid anywhere.
 
Thanks for the kind words.

I'm trying to keep things relatively simple as about the only tool I have is the trusty Dremel.

It's also amazing just what you can get yourself into when you don't go to work at the weekend.;-)

I had planned on fabricating a tub to go in the back of the Landy. Well I'm definately going to have to as this huge hole appeared.

rearbodyhole2.jpg


While pondering how to fix the bed I noticed the rear shock mounts were going to be too high and would interfere with my plans. These have now been removed and I have altered the rear suspension to captive spring with seperate shock. The spring has been secured to the axle by a screw and a number of washers and the top locates freely in a perch off the frame. There is also a sleeved bolt from the perch which acts as a relocation cone.

captivespring2.jpg


captivespring3.jpg


Will more than likely be busy with work next week so may not get any more progress but I will try.
 
Rear tub takes shape.

Well I finally managed to get some free time today after work.

Started on the rear tub. The flat shell wasn't doing anything for me so as shown earlier I cut it out. In it's place was to go a Land Rover style rear tub.
Fortunately with the Defenders mechano type construction replicating the tub was relatively simple.

I secured all the angle with super glue, then marked off (not very accurately) and drilled through and sceured all with M3 dome head screws. Some thin ali sheet made up the floor.

Onto a few more pictures.

Side pieces

DSCF0703.jpg



Trial fit of sides

DSCF0699.jpg


Bed in place

DSCF0705.jpg


Voids that need firewalling
Front may need to slope into the bed as motor clearance is none existant

DSCF0709.jpg


DSCF0710.jpg


Bed without the body and roughly in position

DSCF0714.jpg


She's starting to get a tad heavy out back and she's sitting down a bit.
Anyone know if i can get some stiffer TLT springs?

DSCF0711.jpg


She still flexes well though for a scaler.

DSCF0712.jpg


DSCF0723.jpg


DSCF0724.jpg


Spring relocation aid needs lengthening as the springs pop out under full articulation

DSCF0730.jpg


More updates when I get the time.
Any comments, pointers, criticisms welcomed.
 
you dont need to use full length angle on the the under side of tub to hold it together just use small pieces 15mm or 20mm wide for the screws to go through it will save some wieght for you
 
Ever onwards, with a rethink

Progress is slow at the moment. Busy with work and other things.

After buying a pipe cutter thinking it would be up to the gob of cutting my tube for the roll cage I found it's ideal for making sleeves for my all thread links. So after a few minutes I had all the link sleeves produced from 6mm O/D x 1mm wall aluminium tube.

DSCF0744.jpg


With the rear end getting a tad heafty the standard TLT shocks were starting to feel the strain. I've upgraded to a cut in half set of Integy Savage size shocks. Nice and simple design ontothe axles and slotted throught the frame rails.

DSCF0742.jpg


DSCF0743.jpg


In an effort to keep weight down I had thought of making the roll cage out of aluminium. I found a product on e-bay that is supposed to be an aluminium braze. I've tried it and I cannot seem to get it to run properly. It just seems so blob up when melted...shame

DSCF0731.jpg


So onto a steel cage it is. Never brazed before in my life so I'm having a bit of practice first. You may well be able to tell when you see the pictures.


DSCF0737.jpg


DSCF0739.jpg


As usual any comments/suggestions appreciated.
 
hey wallaz, so this is where you've been keeping your build! Everythign looks as tough as hell, can't wait to see how the cage turns out!
That body is Lexan, right?
 
Roll cage takes shape.

Well I made a start on the cage today. I had bought a mixture of metal clamps from B&Q to try and keep things in place while brazing it all up.

For the most part it was uneventfull and slightly tedious at times, especially when coming to join the front and rear hoops together. There were a few times it fell over and one time when it actually fell apart while brazing.

There's a couple of errors in there.....hell it is my first cage. I may try and rectify it tomorrow but I have a feeling it may end up worse than it is. One of the roof bars is at a different angle to the other side.

For those keen of eye you may be able to tell how I am planning on fixing it to the car. It is going to be removable. If you can't tell you'll just have to wait until I get around to it.

The pictures.....note all the joints still need cleaning.

Naked ones first...

DSCF0748.jpg


DSCF0749.jpg


DSCF0750.jpg
.

On the truck...

DSCF0747.jpg


DSCF0746.jpg


DSCF0745.jpg


A quick mock up of tomorrows work...

DSCF0752.jpg
 
Managed to get the frame finished brazed today....it's a chunky one and has added a fair weight to the truck. I also Noticed a couple more mistakes but I'm not going to bother to correct them.
Need to sort out chassis mounts, then paint the cage.
I believe that will finally leave me to mount the electrics, sort the steering link, finish the bed and add some lightling.

Gratuitous cage shots....

DSCF0777.jpg


DSCF0767.jpg


DSCF0775.jpg


DSCF0761.jpg


DSCF0766.jpg


More to come later...
 
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