R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 08-19-2007, 10:27 AM   #19126
Tech Master
 
mac853's Avatar
 
Join Date: Feb 2007
Location: Dirty place
Posts: 1,788
Default

Quote:
Originally Posted by Rnold View Post
it's the Tamiya (#49436) - Tamiya TRF415 MSXX Lower Deck for Stick Battery

With this conversion set, stick-type 7.2V battery packs can be installed in the previously released high-performance 2-belt 4WD TRF415MSXX chassis. Set includes 2.5mm carbon fiber lower deck, 2mm carbon fiber upper deck, and carbon fiber battery plate. Specially redesigned lightweight blue anodized aluminum rear bulkhead, rear upper brace, and center post are also included.
*Compatible Chassis: TRF415MSXX



looking at the chassis, looks like it's designed for 4-cell, 6-cell, stick type battery. will the 4800's lipo fit? the bulkhead has been redesigned so that the 6-cells and stick type won't be under the old bulkhead design.

what do you guys think?
As I know, the old one chassis(msx, mre, msxx) only fit 3200, maybe TRF want to fix this uncommon problem, which happened only with them but not with other brands chassis(as I know), so redesigned their rear bulkhead, new lower deck to joining with battery plate to be compatible with 4800 just for euro/us racers?
mac853 is offline   Reply With Quote
Old 08-19-2007, 03:24 PM   #19127
Tech Champion
 
TryHard's Avatar
 
Join Date: Jun 2004
Location: Sydney, NSW
Posts: 5,284
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by mac853 View Post
As I know, the old one chassis(msx, mre, msxx) only fit 3200, maybe TRF want to fix this uncommon problem, which happened only with them but not with other brands chassis(as I know), so redesigned their rear bulkhead, new lower deck to joining with battery plate to be compatible with 4800 just for euro/us racers?
The only reason for that chassis is for the Tamiya series' in Japan, where they specify the use of stick pack batteries as part of the rules.... Although it makes sense for 4800 uses too

Anyway, just built up the 16ball diff... didn't get it right at first, was very tight. Traced it down to not taking enough material off the pulley. Whipped out the dremel again, and solved that. Now very smooth.... bedded it in a little with a pack, but I reckon after one run it will be even better

Laters
Ed
__________________
| THard.co.uk | Xray | MuchMore |
TryHard is offline   Reply With Quote
Old 08-19-2007, 04:54 PM   #19128
Tech Fanatic
 
miccal's Avatar
 
Join Date: Apr 2007
Posts: 768
Trader Rating: 23 (100%+)
Default

I have the TRF415MS stick pack conversion, which consists of the lower deck and the battery posts and holders. It didn't require new bulkheads since the TRF415MS rear bulkheads don't extend over the battery area. I fit a Intellect 4200 stick pack in there with a little room to move front and rear. However, the battery holders are curved exactly for a stick pack, and as such I am not sure whether a 4800 Orion LiPo would fit, but the 3200 Orion Lipo should fit no problems since they are the same shape as a stick pack.
miccal is offline   Reply With Quote
Old 08-19-2007, 05:17 PM   #19129
Tech Champion
 
Join Date: Sep 2001
Location: Mongville
Posts: 6,979
Trader Rating: 9 (100%+)
Default

Quote:
Originally Posted by Toughbeard View Post
we have sealed ball diffs now, we just use tape though. so it is light now. a light weight gear diff might be a good option to test. It will deifnately be heavier due to all the metal inside but worth a try...

1/10 gas cars used to have ball diffs... they are all running gear diffs now.

but weight penatlty as u said would be a problem...

but I can see a future in direct rear and oneway fronts
On rubber you wont ever see direct rear and 1way front, not enough stability.
On foam with 30mm rears it could work.
Besercoe is offline   Reply With Quote
Old 08-19-2007, 08:17 PM   #19130
Tech Addict
 
surrealmaterial's Avatar
 
Join Date: Aug 2006
Location: NSW, Australia
Posts: 651
Trader Rating: 4 (100%+)
Send a message via MSN to surrealmaterial
Default

hey guys,

what is the highest gear ratio achievable in an MSX with 48p gears?

cheers
__________________
Castle Hill Raceway
surrealmaterial is offline   Reply With Quote
Old 08-19-2007, 08:18 PM   #19131
Tech Addict
 
surrealmaterial's Avatar
 
Join Date: Aug 2006
Location: NSW, Australia
Posts: 651
Trader Rating: 4 (100%+)
Send a message via MSN to surrealmaterial
Default

double post
__________________
Castle Hill Raceway

Last edited by surrealmaterial; 08-19-2007 at 08:19 PM. Reason: double post
surrealmaterial is offline   Reply With Quote
Old 08-19-2007, 09:05 PM   #19132
Tech Master
 
Join Date: May 2003
Location: SAN DIEGO
Posts: 1,122
Trader Rating: 62 (100%+)
Default

You can gear over 13 to 1, all the way down to the low 4's.
patrick is offline   Reply With Quote
Old 08-19-2007, 09:25 PM   #19133
Tech Master
 
Tek Nickal's Avatar
 
Join Date: Jan 2004
Location: Earth
Posts: 1,301
Default

Quote:
Originally Posted by surrealmaterial View Post
hey guys,

what is the highest gear ratio achievable in an MSX with 48p gears?

cheers
I'm sure if you tried you could get down to 1.
Tek Nickal is offline   Reply With Quote
Old 08-19-2007, 09:52 PM   #19134
Tech Addict
 
surrealmaterial's Avatar
 
Join Date: Aug 2006
Location: NSW, Australia
Posts: 651
Trader Rating: 4 (100%+)
Send a message via MSN to surrealmaterial
Default

Quote:
Originally Posted by patrick View Post
You can gear over 13 to 1, all the way down to the low 4's.
ok, what combination would get me around 10.0 fdr?
__________________
Castle Hill Raceway
surrealmaterial is offline   Reply With Quote
Old 08-19-2007, 10:12 PM   #19135
Tech Master
 
Join Date: May 2003
Location: SAN DIEGO
Posts: 1,122
Trader Rating: 62 (100%+)
Default

88 / 20.
patrick is offline   Reply With Quote
Old 08-19-2007, 10:20 PM   #19136
Tech Master
 
Tek Nickal's Avatar
 
Join Date: Jan 2004
Location: Earth
Posts: 1,301
Default

Quote:
Originally Posted by surrealmaterial View Post
ok, what combination would get me around 10.0 fdr?
What MSX do you have? What is the internal drive ratio?
Tek Nickal is offline   Reply With Quote
Old 08-19-2007, 10:42 PM   #19137
Tech Master
 
buboy28's Avatar
 
Join Date: Jun 2003
Location: manila,philippines
Posts: 1,601
Send a message via AIM to buboy28 Send a message via Yahoo to buboy28
Default

Quote:
Originally Posted by miccal View Post
I have the TRF415MS stick pack conversion, which consists of the lower deck and the battery posts and holders. It didn't require new bulkheads since the TRF415MS rear bulkheads don't extend over the battery area. I fit a Intellect 4200 stick pack in there with a little room to move front and rear. However, the battery holders are curved exactly for a stick pack, and as such I am not sure whether a 4800 Orion LiPo would fit, but the 3200 Orion Lipo should fit no problems since they are the same shape as a stick pack.
miccal, that 415MS stick pack convertion you have what's the part number 49378 and aside from the MS and MSXX any other stick pack convertion chassis for the 415 whew!!! this is getting confusing
buboy28 is offline   Reply With Quote
Old 08-19-2007, 11:02 PM   #19138
Tech Addict
 
surrealmaterial's Avatar
 
Join Date: Aug 2006
Location: NSW, Australia
Posts: 651
Trader Rating: 4 (100%+)
Send a message via MSN to surrealmaterial
Default

Quote:
Originally Posted by Tek Nickal View Post
What MSX do you have? What is the internal drive ratio?
not sure what internal drive ratio is but it has black pulleys with a center one way.....
__________________
Castle Hill Raceway
surrealmaterial is offline   Reply With Quote
Old 08-19-2007, 11:59 PM   #19139
Tech Master
 
Tek Nickal's Avatar
 
Join Date: Jan 2004
Location: Earth
Posts: 1,301
Default

Then your IDR is 2.1875. To get close to 10, 88/20x2.1875 = 9.625. And 88/19x2.1875 = 10.132, which is closer to 10. Although 87/19 gets you closest with 10.01.
Tek Nickal is offline   Reply With Quote
Old 08-20-2007, 12:03 AM   #19140
Tech Elite
 
Racing4Evo's Avatar
 
Join Date: Sep 2002
Location: SoCal
Posts: 2,118
Trader Rating: 2 (100%+)
Send a message via AIM to Racing4Evo
Default

Can somebody give me the part number for the Direct Drive Pulley from the MRE? If you have any ideas on where to get it that would be great too. I'm in SoCal.
Racing4Evo is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
TAMIYA TRF415 Xray XB8 R/C Items: For Sale/Trade 32 04-04-2008 08:50 PM
Tamiya TRF415 Crashmaster R/C Items: For Sale/Trade 19 12-13-2006 04:48 PM
Tamiya TRF415 MS NIB koabich R/C Items: For Sale/Trade 8 11-11-2005 07:28 AM
F/S Tamiya TRF415 rraden R/C Items: For Sale/Trade 20 06-10-2005 09:02 PM
Tamiya Evo IV or TRF415 TheDevil Electric On-Road 23 10-15-2004 07:27 PM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 07:54 PM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net