Model: (Click to see more) 99969: Thunder Tiger
Status: Runner
Date: 27-Nov-2015
Comments: 9
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I picked this up as a cheap restoration project roller a few years back. I meant to restore it completely as a shelfer - I even located a NOS body and set of decals, among other less hard-to-find parts. BUT given my time limitations and wanting to refresh my skills a bit working on less precious subjects than the likes of my idling Astute, Avante, Bigwig and other projects I decided to just get this thing running one way or another as a runner/basher.


The internal configuration on the chassis of this thing was puzzling at the least. I couldn't figure out how the steering servo was meant to fit anywhere - and if there was meant to be some special servo mount/platform I was missing it. So I ended up removing several plastic posts molded into the body probably meant to mount an MSC (just snipped them clean off) and screwed in a couple servo mounting blocks not at all meant for this chassis, which only managed to help center a steering servo. Then I shoe-gooed the servo right onto the chassis - an old, gnarly servo, but still working fine.


I neglected to realize I had new correct steering rods for this thing in a NIP screw bag in my set of NOS Panda parts (D'Oh!) so I set about experimenting with different steering rods I dug up from my various tubs full of mixed parts and hardware. None of the Hornet-style thin rods would fit well enough, and the combination of the openings for the steering rods and the front suspension geometry was causing problems - especially when I ended up using custom-cut 3mm threaded rod on both sides. I ended up just dremelling open the chassis sidewalls around the opening and snipping open the covered tops to open up things enough to prevent the steering rods from making contact with the chassis. This was a huge PITA but the ends result is working well. If I had been smart enough to check my parts though it would have saved me quite a bit of aggravation!


I pieced together the electronics from spares I had laying about including a TEU-101BK ESC (actually, this is my favorite of the entry-level Tamiya ESC's since it's 100% Fwd/Rev unlike all the others except the TEU-302BK), an old Expec radio set from a TT-Gear RTR (one of my display ones), and left in the existing motor for now, which seems to be running OK. Once I have a chance to actually run it outside I'll be able to better assess the state of the motor.


Anyway - I find this model fascinating. It's got obvious Grasshopper/Hornet DNA with some unusual features - most prominently a ball-joint pivot connecting the gearbox to the main chassis tub, as opposed to the floating horizontal shaft of the Grasshopper / Hornet / Lunchbox and others. I'm very curious to see how this behaves in action!


Hibernaculum posted some great details about the model in the forum at this link: http://www.tamiyaclub.com/forum/index.php?showtopic=44250&p=370243 ... definitely a cool oddball buggy. I might use my body shell to make a shelfer as well if I can locate a NOS chassis, wheels, etc.

Comments

Crash Cramer

27-Nov-2015

That is weird. Once upon a time I was looking for the wheels in white, I just bought them in yellow to save me the frustration cause I wanted the 'hubcaps' as well.

beefmuffin

27-Nov-2015

Hey Chris - do u have one in your showroom? I find these things weird yet alluring.

sunnyjai

27-Nov-2015

Good grief Ben, I haven't seen this beast in a loooooooooooonnnnnnnggggg time! Amazing there's still one floating about still in good nick eh

robertoro

27-Nov-2015

I think is interesting model, clone or not : I like it !!!

beefmuffin

27-Nov-2015

Thanks guys - yeah it's actually in pretty decent shape even without the new body on it. Good enough for a runner!

Crash Cramer

27-Nov-2015

No Beef, the wheels are for 'ANOTHER PROJECT' as I say. One of these days I am going to get them all done.

MAD-BEE

27-Nov-2015

Love it! Very unique....weird yet alluring sums it up!

JennyMo

27-Nov-2015

Ha ha! I had a yellow one of these in the late 80's! As I recall it originally had a circuit board inside for the electronics? It ended up sitting in a box for years and more recently I did something similar with a modern ESC and Acoms steering servo (and a cheap 2.4ghz radio set), and it now belongs to my nephew... happy days!

beefmuffin

27-Nov-2015

Yeah Jenny! It actually has a sticker with a frequency on the bottom of the chassis, so at some point at least part of the electronics were built in on a PCB. I can't remember if mine came with this and I threw it right out or not. But I think even with the circuit board receiver it may have had an MSC - kind of a weird combo!


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