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Old 10-29-2013, 12:15 AM   #11956
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LoL Darth !!!! Ray could have gone even faster with a CF shaft, and a full sized battery pack, although balance would have been affected.... I did not see LCD drives, aluminum screws, 70grams of battery weight(not lead), so that's another 0.3sec per lap...lol.... Good running Ray !!!!!
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Old 10-29-2013, 12:55 AM   #11957
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Bryan Wynn Fttc4 fastlap: 10.227 ..... Vey good !!!
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Old 10-29-2013, 01:09 AM   #11958
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its the Diggity Designs DC4 LE - Limited Edition TC4 Conversion Kit
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Old 10-29-2013, 07:21 AM   #11959
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Quote:
Originally Posted by bertrandsv87 View Post
LoL Darth !!!! Ray could have gone even faster with a CF shaft, and a full sized battery pack, although balance would have been affected.... I did not see LCD drives, aluminum screws, 70grams of battery weight(not lead), so that's another 0.3sec per lap...lol.... Good running Ray !!!!!
Was not happy with the balance and handling with big pack . I did have losi axles . Didn't have time to build a CF shaft !

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Bryan Wynn Fttc4 fastlap: 10.227 ..... Vey good !!!
It's all fun and games till a wheel falls off !!! Lol Brian and I were on TQ runs in the third round till his wheel fell off and I tapped two boards on the last lap !

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its the Diggity Designs DC4 LE - Limited Edition TC4 Conversion Kit
I need this !!!! Just hard to buy a $200 chassis for a $100 car ! Lol
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Old 10-29-2013, 09:31 AM   #11960
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So both the tub tc4 and the dc4 le are superfast.....
Ray, I believe optimal balance can be achieved with a full size pack that's the same weight as your shorty pack(200grams)+ esc(50grams)... The Thunderpower Tp4300 65C weighs around 250grams, and should perform as well... No lead weights necessary.....
Did Bryan Wynn shave his dc4 le chassis down to 70mm to make it narrower?????
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Old 10-29-2013, 11:48 AM   #11961
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Quote:
Originally Posted by bertrandsv87 View Post
So both the tub tc4 and the dc4 le are superfast.....
Ray, I believe optimal balance can be achieved with a full size pack that's the same weight as your shorty pack(200grams)+ esc(50grams)... The Thunderpower Tp4300 65C weighs around 250grams, and should perform as well... No lead weights necessary.....
Did Bryan Wynn shave his dc4 le chassis down to 70mm to make it narrower?????
I don't know if you noticed but Ray K and Brian Wynn are pretty good at this toy car racing thing. If there was a mod to be made that would have worthwhile gains, they didn't miss it.

Under what circumstances would the balance be better on Rays car with a long, skinny pack? He mounted the ESC on that side for a reason, and the argument "but with a heavier pack, mounting it on the other side would be the same but better" doesn't hold water when you actually do it. I don't count 50g of weights on the motor side, so with the ESC on the standard side it would probably need a MUCH heavier pack to balance without weights as there is no offset battery position in this car.

Also, you can't cut down a DC4 LE chassis to 70mm, it has a big hole to accomodate the low motor mounting position and unless you deem the chassis on the outer part of that hole unimportant, the chassis can only be cut down a few mm per side and smoothed.

You should probably think about not second-guessing everybody and everything you come across.
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Old 10-29-2013, 11:58 AM   #11962
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Now make all Hexagon all octogon.
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Last edited by JIN8; 10-29-2013 at 01:23 PM.
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Old 10-29-2013, 04:53 PM   #11963
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Quote:
Originally Posted by bertrandsv87 View Post
So both the tub tc4 and the dc4 le are superfast.....
Ray, I believe optimal balance can be achieved with a full size pack that's the same weight as your shorty pack(200grams)+ esc(50grams)... The Thunderpower Tp4300 65C weighs around 250grams, and should perform as well... No lead weights necessary.....
Did Bryan Wynn shave his dc4 le chassis down to 70mm to make it narrower?????
I was running a 4300 60c shorty. Brian car ,appeared uncut.

I had just bought new 4300 shorties for offroad and 6500's full size packs for touring . The full size pack with standard radio gear layout put me at 1530 grams . 80 grams over weight ,and left to right balance off. Also drove like it . A 5000mah pack would probably work , but wasn't buying yet more batteries a couple weeks before the Classic.

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I don't know if you noticed but Ray K and Brian Wynn are pretty good at this toy car racing thing. If there was a mod to be made that would have worthwhile gains, they didn't miss it.

Under what circumstances would the balance be better on Rays car with a long, skinny pack? He mounted the ESC on that side for a reason, and the argument "but with a heavier pack, mounting it on the other side would be the same but better" doesn't hold water when you actually do it. I don't count 50g of weights on the motor side, so with the ESC on the standard side it would probably need a MUCH heavier pack to balance without weights as there is no offset battery position in this car.
Once I achieve a baseline setup , I tune with shock angle ,camber,droop and upper link length/height. That said two of these don't have a fine enough adjustment . The link length outside of the longest position are all to short for me ,makes the car to quick and aggressive . The shock angle adjustment from one to another, are like four position changes on a modern car. So to add more fine adjustment.My shorty pack and motor side ballast weight both can be moved forward and back over an inch to change weight transfer bias.

Last edited by Ray k; 10-29-2013 at 05:36 PM.
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Old 10-29-2013, 11:27 PM   #11964
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I just thought Ray had a variety of packs to choose from..Sorry... Thunderpower offers race packs for all situations from 2700mah(168grams) to 6000mah(300+ grams)... The tc4 cars require light packs to compete, unlike other cars... I always keep different sizes on the ready, just in case: 2700mah(168grams); 3300mah(205grams); 4300mah(250grams); 5300mah (309grams), etc...
Your shorty pack was the perfect size Ray...
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Old 10-29-2013, 11:39 PM   #11965
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Also Desert, I am all for positive criticism to make each tc4 out there go faster and faster.... Just sayin...
I know the dc4 le can't be cut that much on the motor side, but it can be significantly cut on the battery side. 70mm was a suggestion for a future dc4 le version2 chassis...lol... The tc4's best years are still ahead !!!!!!
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Old 10-30-2013, 12:17 PM   #11966
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I would run 8 AND or 12 spoke wheels if not dish wheel.

If you need more aero then use Rain-X and whip it on the Wheel and body it will seal it from dust and reflect all of it.
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Old 10-30-2013, 02:54 PM   #11967
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I saw the video of the race, and nobody had a chance against Ray's tc4... That Car was straight as an arrow! The tc4 is back baby !!!!
Here is the video: USGT Amain starts at the 1hour 45minute mark :
Http://m.youtube.com/watch?v=cju8RPX...%3Dcju8RPXA-LM
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Old 10-30-2013, 03:41 PM   #11968
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Does anyone know where I can find a TC4 ft motor bulkhead??
(Associated #31105 Aluminum Motor Bulkhead)

thanks.

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Old 10-30-2013, 04:47 PM   #11969
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Quote:
Originally Posted by bertrandsv87 View Post
I saw the video of the race, and nobody had a chance against Ray's tc4... That Car was straight as an arrow! The tc4 is back baby !!!!
Here is the video: USGT Amain starts at the 1hour 45minute mark :
Http://m.youtube.com/watch?v=cju8RPX...%3Dcju8RPXA-LM
Thanks for posting the link ,first I've seen of it !! I'm the Baby blue NSX sitting fourth on the grid !!! Talked to Rick Hohwart, there should be a report on the Halloween Classic in the racing news. On the AE site . Mostly on Hebert's double mod wins in touring and 1/12 scale . Maybe a tidbit on the USGT race !!!
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Old 10-30-2013, 05:32 PM   #11970
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One day the tc4 will win Mod again !!!!
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