R/C Tech Forums

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

Reply
 
Thread Tools Search this Thread
Old 05-21-2006, 07:31 PM   #1021
Tech Addict
 
dbmartin's Avatar
 
Join Date: Jan 2005
Location: Ocala, FL
Posts: 641
Trader Rating: 11 (100%+)
Default

My GTB got a little too hot!
-
And no the blue wire was not cut.
__________________
FSEARA - Top Photon - Jacks Hobbies

Last edited by dbmartin; 06-02-2007 at 12:41 PM.
dbmartin is offline   Reply With Quote
Old 05-21-2006, 11:23 PM   #1022
Tech Fanatic
 
Drewdc90's Avatar
 
Join Date: Sep 2005
Location: Sunshine Coast Australia
Posts: 828
Trader Rating: 3 (100%+)
Default

Quote:
Originally Posted by Birky
Well I finally got my 5.5 installed tonight, but have a quick question.

When I run the motor at low throttle percentages, the motor to me sounds 'rough'. However when I get to higher percentages it gets quieter and smoother. I'm just wondering if this is normal?

Cheers
Ben
Try putting some oil on both the bearings. They usually sound rough when the bearings are dry.
__________________
-Xray--Nosram--Orion--Trak Power--Duratrax--Spektrum--Futaba-

Sunshine Coast QLD AUSTRALIA

"If you stand still long enough you'll go backwards"
Drewdc90 is offline   Reply With Quote
Old 05-22-2006, 12:00 AM   #1023
Tech Addict
 
AngryAsian's Avatar
 
Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 550
Trader Rating: 4 (100%+)
Default

It sounds like a bearing problem...

Like Drew suggested... check and oil the bearings. Another cause can be a tight endbell fit. make sure the bolts holding the motor together are an even tightness...

But a disassembly/oil should fix things...
AngryAsian is offline   Reply With Quote
Old 05-22-2006, 12:00 AM   #1024
Tech Addict
 
AngryAsian's Avatar
 
Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 550
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by dbmartin
My GTB got a little too hot!
-
And no the blue wire was not cut.

What er... happened? holy crap....

It's the first one i've seen though which has to be a good thing...
AngryAsian is offline   Reply With Quote
Old 05-22-2006, 12:45 AM   #1025
Tech Master
 
Birky's Avatar
 
Join Date: Feb 2005
Location: Western Australia
Posts: 1,668
Trader Rating: 1 (100%+)
Default

Thanks Guys, its just disappointing that its brand new.

From what I have been reading there seems to be some quality control problems at Novak of late.
__________________
Smash 'EM! F1 Racing: WA's Home of Fun in Formula 1 RC Motorsport.
Birky is offline   Reply With Quote
Old 05-22-2006, 08:18 AM   #1026
Tech Addict
 
Join Date: Dec 2005
Location: Belgium
Posts: 528
Trader Rating: 6 (100%+)
Default

Hi all,

I'm thinking of buying a Novak GTB system with a 4.5 motor. But I was wondering about 1 thing.
Do any of you know how Novak Support is here in Europe?? I mean, I'm reading a lot about faulty escs in this tread and I dont wanna send it to the states every time something is wrong with it. (yes, I'm buying online from the States for a decent price :-) )

Btw... Is the fan somewhat shockproof??

(I know I can also buy LRP, but I've seen a lot of them go bad as well and I wanna try somethin else then the others here in Belgium)

Greetz

Quante
Quante is offline   Reply With Quote
Old 05-22-2006, 08:33 AM   #1027
Tech Addict
 
rampal's Avatar
 
Join Date: Feb 2006
Location: Madrid, Spain
Posts: 563
Trader Rating: 4 (100%+)
Send a message via MSN to rampal
Default

Quote:
Originally Posted by Quante
Hi all,

I'm thinking of buying a Novak GTB system with a 4.5 motor. But I was wondering about 1 thing.
Do any of you know how Novak Support is here in Europe?? I mean, I'm reading a lot about faulty escs in this tread and I dont wanna send it to the states every time something is wrong with it. (yes, I'm buying online from the States for a decent price :-) )

Btw... Is the fan somewhat shockproof??

(I know I can also buy LRP, but I've seen a lot of them go bad as well and I wanna try somethin else then the others here in Belgium)

Greetz
Quante
Yo' Quante, welcome to the club..... I also have a Novak brushless system and it failed. I've sent it to the States and get it back on +-25 days....
I also bought it on the States and believe me, Novak support is very good, Charlie is a really nice guy, and the only drawback I´ve seen on purchasing Novak is that I think here in EU you have 2 years warranty (if you buy LRP here they have to give you that), Novak gives you ony 120 days and on the States... if you go to German sites check the prices, I think is cheaper to buy a Novak 4.5 set than an LRP competition plus a 4 star... even considering shipping and customs (sometimes you can get them without taxes, but from States, at least here in Spain, is quite difficult...)
__________________
The Blue Armada: Tamiya TRF415MSXX, Tamiya TA05MS, Tamiya/Xenon TA05
Novak Brushless, Orion/Peak LiPo batteries, 5-cell
Sanwa M11 DSSS, KO Propo Servos
rampal is offline   Reply With Quote
Old 05-22-2006, 10:17 AM   #1028
Tech Addict
 
Join Date: Dec 2005
Location: Belgium
Posts: 528
Trader Rating: 6 (100%+)
Default

Yep, the LRP system is quite expensive down here (even if I get it from Germany it'll go for about 330€ and the Novak set will be 200€ including shipping.
Normally Taxes can be avoided if the shop doesnt put any bill in it and sends it to you as a gift. You can try it, that really works!!

From the warranty point of view, if you read the small print on the LRP system they offer "limited" lifetime warranty so you cant really trust this. I've seen to many LRP stuf break and you can tell me what you want, they wont replace a 4 year old speedo thats gone bad.... they'd be out of business in No time.

But 25 days huh, not too bad, lets just hope I dontneed to send it in.... ever....

Is the GTB small enough to get into a 1/12??? and perhaps no fan is needed when driving 4 cells???
Does anybody know an answer to these questions??
Quante is offline   Reply With Quote
Old 05-22-2006, 01:58 PM   #1029
Tech Addict
 
rampal's Avatar
 
Join Date: Feb 2006
Location: Madrid, Spain
Posts: 563
Trader Rating: 4 (100%+)
Send a message via MSN to rampal
Default

Quote:
Originally Posted by Quante
Yep, the LRP system is quite expensive down here (even if I get it from Germany it'll go for about 330€ and the Novak set will be 200€ including shipping.
Normally Taxes can be avoided if the shop doesnt put any bill in it and sends it to you as a gift. You can try it, that really works!!

From the warranty point of view, if you read the small print on the LRP system they offer "limited" lifetime warranty so you cant really trust this. I've seen to many LRP stuf break and you can tell me what you want, they wont replace a 4 year old speedo thats gone bad.... they'd be out of business in No time.

But 25 days huh, not too bad, lets just hope I dontneed to send it in.... ever....

Is the GTB small enough to get into a 1/12??? and perhaps no fan is needed when driving 4 cells???
Does anybody know an answer to these questions??
send me a pm with this shop, as tower doesn't do that.... and as I'm planning to get a 4.5 too! it is indeed cheaper than the lrp, as you said....
__________________
The Blue Armada: Tamiya TRF415MSXX, Tamiya TA05MS, Tamiya/Xenon TA05
Novak Brushless, Orion/Peak LiPo batteries, 5-cell
Sanwa M11 DSSS, KO Propo Servos
rampal is offline   Reply With Quote
Old 05-22-2006, 04:05 PM   #1030
Tech Regular
 
Join Date: Aug 2003
Location: England
Posts: 257
Default GTB Lights

I've got a 2nd hand GTB and 5.5R and it does fly! However, it keeps thermalling, even on cold UK days I can't get it to run for more then 3min30secs.

Also, from the instructions I downloaded from the Novak site, at neutral, the red light should be on. In my case, only the orange light is on. Is this indicative of a fault?

HELP! Before I go back to brushed motors in frustration!
TraceRacing is offline   Reply With Quote
Old 05-22-2006, 04:10 PM   #1031
Tech Lord
 
syndr0me's Avatar
 
Join Date: Dec 2004
Location: 5280 Raceway
Posts: 13,140
Trader Rating: 32 (100%+)
Default

Hey TraceRacing, I'd send your question to Novak directly. They're very good about answering questions. I believe you can reach them at [email protected].
syndr0me is offline   Reply With Quote
Old 05-22-2006, 04:49 PM   #1032
Super Moderator
 
Marcos.J's Avatar
R/C Tech Elite Subscriber
 
Join Date: Sep 2003
Location: Semper Fi
Posts: 27,198
Trader Rating: 182 (100%+)
Default

Quote:
Originally Posted by TraceRacing
I've got a 2nd hand GTB and 5.5R and it does fly! However, it keeps thermalling, even on cold UK days I can't get it to run for more then 3min30secs.

Also, from the instructions I downloaded from the Novak site, at neutral, the red light should be on. In my case, only the orange light is on. Is this indicative of a fault?

HELP! Before I go back to brushed motors in frustration!
what gear ratio are you running?
Marcos.J is offline   Reply With Quote
Old 05-22-2006, 05:18 PM   #1033
Tech Apprentice
 
Join Date: Mar 2005
Posts: 72
Default

Hi quante,

I few weeks ago i saw the brushless system of GM running in megadrom. It was very fast and it drove the whole 5 minites on high bite carpet without termaling. Its for now the best system i have seen running. I have also seen two GTB systems (4,5) and one LRP system (4stars) that could not drive 5 minutes.
I think i ame going to buy the GM system at HK modelbau in germany. It costs 200€ for a 4,5 motor+esc. And if its broken then i can just drive to the shop.
HK is just 1u30min driving from Antwerp.

Its the only powerfull setup i have seen that can drive 5 minutes.
sitting duck is offline   Reply With Quote
Old 05-23-2006, 11:57 AM   #1034
Tech Addict
 
Join Date: Dec 2005
Location: Belgium
Posts: 528
Trader Rating: 6 (100%+)
Default

Lo Sitting Duck,

Megadrom huh, I drive there as well in Winter season (allthough I've been more to VIOL this year).

The thing I dont like about the GM is the size of it, its too long to get into my RDX properly... Otherwise I also heard some good things about it.

As for overheating problems, I think the biggest problem is correct gearing, especially on a track like Megadrom. The system will be used outside on an RDX and inside on a 1/12th on 4 cells, in the 1/12 I dont expect any heating probs, in the touring I'll have to wait and see.

I must say I had been thinking about the GM as well, but like I said, the size is the downside.

I ordered the Novak system yesterday so I'll wait and see. I just hope I dont see it go up in smoke cause if I have to send it in...

Maybe we'll meet in Geilenkirchen one time!!

Greetz

Quanten (Btw, I'm the friend of Niels Meurs and Johnny Matthieu )
Quante is offline   Reply With Quote
Old 05-23-2006, 12:24 PM   #1035
Tech Apprentice
 
Ollie RDX's Avatar
 
Join Date: May 2006
Location: Belgium
Posts: 98
Send a message via MSN to Ollie RDX
Default

Quote:
Originally Posted by Quante
Lo Sitting Duck,

Megadrom huh, I drive there as well in Winter season (allthough I've been more to VIOL this year).

The thing I dont like about the GM is the size of it, its too long to get into my RDX properly... Otherwise I also heard some good things about it.

As for overheating problems, I think the biggest problem is correct gearing, especially on a track like Megadrom. The system will be used outside on an RDX and inside on a 1/12th on 4 cells, in the 1/12 I dont expect any heating probs, in the touring I'll have to wait and see.

I must say I had been thinking about the GM as well, but like I said, the size is the downside.

I ordered the Novak system yesterday so I'll wait and see. I just hope I dont see it go up in smoke cause if I have to send it in...

Maybe we'll meet in Geilenkirchen one time!!

Greetz

Quanten (Btw, I'm the friend of Niels Meurs and Johnny Matthieu )
GM has a new brushless system coming soon i saw Marc Fisher driving the prototype of the hole new Genius 95 and the new brushless sensored GM Motor and it was goddammed fast!
Greetings Ollie
Ollie RDX is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Novak GTB 4-cell Brusless Speed Controller Greg Amendola R/C Items: For Sale/Trade 0 04-16-2008 12:59 PM
WTB: ASSOCIATED B44 W/ BRUSLESS SYSTEM levi m R/C Items: Wanted to Buy 1 02-15-2008 05:27 PM
brusless esc , maybe system jslider R/C Items: Wanted to Buy 1 11-18-2007 05:30 PM
Novak XBR Brusless/Brushed ESC Delyt R/C Items: For Sale/Trade 4 11-15-2007 09:44 AM
Novak 4.5 Brusless System Speedo/4.5 Motor w/Sintered installed mike ivy R/C Items: For Sale/Trade 5 10-25-2006 06:57 AM



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 08:19 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net