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03-10-2009, 09:58 PM
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#1 | ||||
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Member
Join Date: Mar 2009
Posts: 39
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Speed Challenge 102mph TC4
This is my TC4. I have always loved toys and speed, weather it's my 8second strip/street car or tearing up and down the dirt road with my Revo or conquering piles of rocks in my yard with my crawler. I have to be doing something. I love building things. Without further delay here is my attempt at an ISC record breaking RC car.
Current setup is: Factory Team TC4 BMI Racing CF Chassis Mamba 7700Kv Mamba Monster ESC 35t pinion/72t spur BSR wheels/tires 4s1p 3600mah 20c Futaba 3PK Transmitter Futaba R203HF Receiver Futaba S9451 Digital Highspeed metal gear servo Futaba GY401 Gyro Current highest speed 102mph on Bushnell Speedster2.
Last edited by CRISPYSQRL; 04-05-2009 at 10:21 PM. |
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03-10-2009, 11:06 PM
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#2 |
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Senior Member
Join Date: Mar 2009
Location: Wellington, FL
Posts: 116
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...cant wait to start on this one....that mamba 7700 is gonna SCREAMMMMM!!!!!!....
Last edited by BoostCrzy; 03-15-2009 at 09:38 PM. |
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03-11-2009, 07:16 PM
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#3 |
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Member
Join Date: Mar 2009
Posts: 39
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Nothing to exciting but my body came today. Snaped a pic. It will be more exciting after the car comes and I can start making it look like something.
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03-12-2009, 12:57 PM
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#4 |
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Junior Member
Join Date: Mar 2009
Posts: 16
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Will a 4 cell lipo be safe on the 7700? I have nothing but the upmost faith and respect for castle hardware, but spinning at over 100,000 rpm is.. not something usually seen in hobby grade stuff, lol.
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03-12-2009, 04:07 PM
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#5 |
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Senior Member
Join Date: Mar 2009
Location: Wellington, FL
Posts: 116
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a few guys ive seen have gone 5s on the 7700....i think its really hit or miss...all depends on how much time you spend in the "danger zone" (inside joke between Crispy and I) .......haha.....but really i think it will survive a few good pulls into 6 digit rpms....
-Jack |
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03-12-2009, 08:26 PM
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#6 | |
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Member
Join Date: Mar 2009
Posts: 39
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Quote:
I will never forget that when I started modifying my car a 98' Trans Am that everyone told me to stay inside certain limits cause it worked. Well I ended up with a car in the mid 11's which was ok but I was never satisfied since I wanted to go more extreme from the start. Well now 4 years later I did it my way and now have an 8second car. The moral of the story is do it your own way and you will get your own outcome. |
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03-12-2009, 11:49 PM
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#7 |
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Member
Join Date: Mar 2009
Posts: 39
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Well got the TC4 today. Already started working on things. But here are some pics of it.
 
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03-13-2009, 03:43 AM
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#8 |
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Senior Member
Join Date: Mar 2009
Location: Wellington, FL
Posts: 116
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woo hoo!!!!!.....its just a matter of time now....
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03-15-2009, 11:58 AM
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#9 | |
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Junior Member
Join Date: Mar 2009
Posts: 16
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Quote:
Ever since I went from low rpm outrunners on RC planes to the higher rpm inrunners we use in cars, I've had this fear that I'll make the rotor spin too fast one day and the magnet will just disconnect at such high speed as to eviscerate my car, lol. Probably won't ever happen =) |
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03-15-2009, 07:12 PM
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#10 | ||
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Member
Join Date: Mar 2009
Posts: 39
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First day out wasn't too bad. Still haven't got my 35t pinion yet so on a kinda small 28t one. Still went 82.9mph after some quick vert stab addons that BoostCrzy made up out of my hobby toolbox.
 
Last edited by CRISPYSQRL; 03-28-2009 at 11:30 AM. |
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03-16-2009, 04:19 PM
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#11 |
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Senior Member
Join Date: Mar 2009
Location: Wellington, FL
Posts: 116
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car was really stable for having 2 bad foamies as fronts....lol....cant wait to see this thing in full swing with gearing and good rubber....
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03-18-2009, 11:11 PM
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#12 |
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Member
Join Date: Mar 2009
Posts: 39
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Got my last 2 BSR tires today.
 Also made up a set of vertical stabilizers out of aluminum. Not the lightest material for the job but for me it a familiar material to work with. Basically just 2 fins cut out of 3/32" aluminum and a horizontal brace welded to the verts made of 1/2"x1/2" square stock.     
Last edited by CRISPYSQRL; 03-18-2009 at 11:50 PM. |
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03-18-2009, 11:34 PM
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#13 |
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Senior Member
Join Date: Mar 2009
Location: Wellington, FL
Posts: 116
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sharpen the edges and see what we can cut.....lol....ill be WAY in the truck next time i watch it run......haha
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03-19-2009, 08:14 AM
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#14 |
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Junior Member
Join Date: Jul 2007
Posts: 22
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Ah, that looks really close to Vassmars TC4 now...
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03-19-2009, 08:52 AM
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#15 |
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Member
Join Date: Mar 2009
Posts: 39
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Same body for sure. The dodge charger has a very flat cockpit, though it does have a very flat nose :/ oh well. He definitely had some speed out of that thing. Hope mine gets up there eventually.
I should have some new numbers tonight if the weather is ok. The changes from last time out will be 35t pinion over the 28t, real vert stabs, BSR tires on 4 corners over just 2, and last but not least a 4s1p lipo over 3s1p so I am expecting some descent improvements. |
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