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Return of Lunchbox..

Old 05-20-2011, 09:29 PM
  #7376
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Default RE: Return of Lunchbox..

Here is a better shot of my scratch fabricated servo relocation bracket as well as the details of the front end setup.
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Old 05-20-2011, 09:46 PM
  #7377
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Default RE: Return of Lunchbox..

Here are the grommets that now hold the body firmly in place, the o-rings were tossed off by the fury of the Mamba Max.
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Old 05-20-2011, 09:52 PM
  #7378
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Default RE: Return of Lunchbox..

wow im glad i didnt buy the frog adapters now, i didnt realise you had to shave anything, i found a set of 12mm hexs that fit over the pin drive of the lunchbox, or hpi make a plastic adapter.
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Old 05-20-2011, 10:05 PM
  #7379
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Default RE: Return of Lunchbox..

It's actually very easy, you just sand them in a circular pattern hex-down against 320 grit sand paper until the internal step opens up to the full diameter inside the adapter. Then switch to 1000-1500 grit and make sure you keep it perfectly vertical.
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Old 05-20-2011, 10:16 PM
  #7380
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Default RE: Return of Lunchbox..

This shows the leaf spring system in the wheely bar.
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Old 05-20-2011, 10:38 PM
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Default RE: Return of Lunchbox..

On that subject, the optimum situation with spring-loaded wheely bars on the LB needs the two axles at the same level height.
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Old 05-20-2011, 10:46 PM
  #7382
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Default RE: Return of Lunchbox..

My attempt at using the stock LB tires mounted on 2.2 HPI MT SS wheels ended in disaster. The uneven molding of the tires created an out of balance katy-wompus wobble that at 30,000 plus rpm's could only be described as undrivable. I have since mounted up two other sets of tires.
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Old 05-20-2011, 10:59 PM
  #7383
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Default RE: Return of Lunchbox..

These are the tires I chose. Pro-line Dirt Paws for shorter fresh mown grass, and Tamiya Vise Crawlers for the deeper and bumpier stuff.
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Old 05-21-2011, 04:36 AM
  #7384
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Default RE: Return of Lunchbox..

Spam alarm?

Please use the EDIT-button!
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Old 05-21-2011, 08:47 AM
  #7385
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Default RE: Return of Lunchbox..


Quote:
ORIGINAL: -Eric01-

Spam alarm?

Please use the EDIT-button!
Please explain.
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Old 05-21-2011, 09:01 AM
  #7386
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Default RE: Return of Lunchbox..

I think he just meant that you can put all the pics and text in one post...

It is not a big deal.. I don't really see a problem here.. !
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Old 05-21-2011, 09:48 AM
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Default RE: Return of Lunchbox..

i think its nice to see progress bit by bit.
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Old 05-21-2011, 05:27 PM
  #7388
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Default RE: Return of Lunchbox..

That's good, as I'm on 56k dialup and one at a time is all I can manage. I wanted to mention that I have discovered that using the smallest o-rings that ACE Hardware sells for rebuilding old AE shocks works great. They are not fragile like the red/orange ones that come in the #6440 kit and seem quite smooth, no leaks.
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Old 05-26-2011, 07:24 AM
  #7389
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Default RE: Return of Lunchbox..

UPDATE!, the tires are wonderful on grass and very evenly molded. Still fine tuning the ESC and body mounts.
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Old 05-26-2011, 07:46 AM
  #7390
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Default RE: Return of Lunchbox..

Ran my (daughter's) LB some more, does much better in the lawn than the Grasshopper, to no one's surprise. I did not get around to swapping the 380 motor in yet, need to see if the pinion will work. It's press fit on the shaft and I need to see if the spur is the same size between the two kits...
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Old 05-27-2011, 10:26 PM
  #7391
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Default RE: Return of Lunchbox..

Sounds interesting, I'd love to see pics of the gears. Well, I just did some extensive test running, drove it like a maniac and I think it's just about ready for some video runs. Here is the adjusted setup complete with a "can't fail" body mounting system. It did numerous cart-wheeling flips and other that a nut on a shock brace that flew off, all is rock solid now.
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Old 05-28-2011, 07:07 PM
  #7392
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Default RE: Return of Lunchbox..

Hi Guys, firstly let me say thanks to Lunchboxer ,broncojd,Dante77 and everyone else for providing pages of great pics and usefull info. I started reading this thread from teh beginning, every page, and im only at 72 so far.

Really liking what i am seeing, Like alot of you i am a child of the late 80's, the tamiya catalogue for me was pure porn, myself and my older brotehr dreamed of owning cars like the lunch box, midnight pumpkin, clod buser, moster beetle, the list goes on, I have a great fondness for the vintage RC cars or at least vintage design.

I have always loved RC , but i have only ever had toy quality stuff, As an adult now i can fund the hobby a bit better and would like to get into RC properly, im a mechanic/fabricator by trade so i think i can do a really good job with my Lunch box kit that is on its way to me in the mail. I have also ordered a bearing kit straight away on the advice i saw earlier in this thread.

Now i do have some very noobish questions because alot of this is new to me and its easy to get confused by all the numbers associated with batteries etc, but im sure i will pick it up quickly.

Anyway, im trying to get together a basic shopping cart of things i need to get this thing going. Id like to run as much of the stock stufff as i can to begin with so that i can get a feel for what i would liek in the way of upgrades and that i will appreciate them.

2.4ghz ground radio and reciever - Check
Bearing kit - Check
stock 540 motor - with kit
ESC - with kit
Battery - I am lost here, what should i get as a basic battery for the 540 motor? Can you over kill it?
Battery Charger?
Servo + servo saver?

HAve i missed anything? Please dont think i am lazy and have not researched properly, i ahve tried but its all very new to me, im better with big cars. lol !!




EDIT. For example, will this be an ok starting battery?http://www.hobbyking.com/hobbyking/s...idProduct=8932




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Old 05-28-2011, 07:30 PM
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Default RE: Return of Lunchbox..

this is what Ill be using shortly

http://www.hobbyking.com/buddy.asp?c...9-E7D2CD06B887

http://www.google.com/products/catal...ed=0CCcQ8wIwAQ
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Old 05-28-2011, 08:26 PM
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Default RE: Return of Lunchbox..

thanks for the response there 86.So with batteries, im guessing here that 7.2 volts is what the motor needs to run on. the milliamp number would be the amount of reserve the battery has , which translates into run time? is that correct.?
So any 7.2 v battery will give the same speed and performance with a stock motor but the more millamps, the longer run time?
That charger looks very flash, I might look at a more basic, cheaper alternative.


EDIT - Ive added that 5000 battery to the cart. and this battery charger, i see it does not come with a power supply though so thats another 25 bucks...

http://www.hobbyking.com/hobbyking/s...idProduct=7028



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Old 05-28-2011, 09:36 PM
  #7395
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Default RE: Return of Lunchbox..

I just use a pirhana digital peak charger with 2400 nicads and GP3700 nimhs, this will work for any motor/ESC combo.
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Old 05-28-2011, 11:51 PM
  #7396
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Default RE: Return of Lunchbox..

when i bought a charger i got one that can charge up to 9.6v... that way when i upgraded my esc to a more powerful one i could use a bigger battery... on the standard motor too! should see the box go on 9.6v
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Old 05-29-2011, 12:39 AM
  #7397
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Default RE: Return of Lunchbox..

Thanks for the tip, so you can run a 9.6v battery with a stock motor? but need a better ESC?

Ive read quite a number of your posts shelfqueen through this thread, back to 2007, its like going back in time !!
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Old 05-29-2011, 03:43 AM
  #7398
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Default RE: Return of Lunchbox..

its a great thread and its taught me a lot... the standard silver can motor can take 12v... one day maybe it will. maybe 2 msc's and 2 5 cell batteries
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Old 05-31-2011, 02:27 AM
  #7399
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Default RE: Return of Lunchbox..

Im finally a lunch box owner, posted these pics for those who havent seen the kit, ( although i dont think that will apply to many of you ! ) or are not sure of the size, the beer bottle gives an idea of tyre size, i was pleasantly suprised by the size of the lunch box, its bigger than i expected, i have seen comparison videos against a clod buster and it looked tiny, i also remember seeing it as a kid so i though it might have seemed bigger then, but i am very happy with it.

Im waiting on ball bearings before i proceed any further , and a servo etc. but i will make a start on the paint work soon.

Im going to be a sellout and paint it like the box art, its what i have always dreamed of, but i will be buying a lexan body, some chrome wheels and doing an Aussie flag theme.

Since i need to buy everything required for an RC hobby right now ive had to skimp a bit and buy a cheap servo etc, but i can always upgrade later, i think i will run it very basically to begin with and then drop a hundred bucks into it and do motor, shocks , better servo etc all at once.

Thanks again for the advice ive had recently and all the posts over the past 200+ pages

One happy Lunchboxer here !!

This shows the king pin type frotn suspension, there was a fair bit of movement so i shimmed it up with a 4mm washer for zero play.
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Old 05-31-2011, 10:44 AM
  #7400
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Default RE: Return of Lunchbox..

nice idea with the shim... if you can kee the front wheel on the ground long enough! i love a new kit hehehe
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