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What's new: Thursday, March 24th, 2011

Venom 250mah Lipo New from Venom are a couple of new lipo batteries. I think a lot of people have been waiting for this first one. It’s a 15C 2S 250mah 7.4v LiPO for the Losi Micro 1/24 Scale Rally and SC trucks. I know more than a few people looking to upgrade their Losi Micro batteries and this will be just the thing they have been looking for!

Next up is a 50C 1S 5000mah 3.7v hardcase LiPO designed for 1/12th scale on-road touring cars.
And finally a 50C 3S 2200mah 11.1v Lipo designed for 450 size helicopters or parkflyers. I’m glad to see Venom bringing out more styles of batteries for all sorts of different types of RC and not just the standard 2S stuff.

Venom Lipo 1sVenom Lipo
Visit Venom-Group.com for details.

Cubby

Hi ya guys,
What is an acceptable motor temp on a Mini-T?
I have an EZRun 25A speed controller with a 7800kv motor on a 2S lipo. Its geared stock spur mated to a 15 tooth RRP pinion. The highest motor temp I have seen so far has been 168 degrees. Is this hot enough to damage the magnet?
Thanks for any and all advice!!!!!

Ronnie W.

Cubby- Hey ya Ronnie, “cool” question ya got there.

Most magnets used in our rc motors are said to be damaged when they hit around 200 degrees. When our magnets get too hot, they lose their strength, causing efficiency and power to suffer, while the kv actual increases.

So you shot the can of your motor and saw 168 degrees, is your motor ok? I think a lot of internet pundits would tell you “yes!”, but I’m going to tell you “no!”. You see the can of your motor is much cooler than your rotor (magnet), so while your can is shooting 168, the core temp of your motor is going to be closer to 220. IMO, ideally, you don’t want to see can temps of over 140 if you want optimum performance and longevity out of your motor.

One last thing that isn’t discussed enough… You only need to overheat your motor once to de-mag it. Once is all it takes to forever be chasing the power, runtime and efficiency it once had. After running it too hot, even just once, no matter what you try, whether it be gearing, different timing, etc, you’ll never get it to run like it did from the factory.


I still cannot break anything on my Traxxas Slash (other than a transmitter) and I’m thinking that some more power should do that. I feel the need to blow-up my Titan 12T motor before I upgrade to brushless, so I’m looking at investing in this new-fangled “LIPO” technology. I’ve scoured your LiPo shootouts and kept up with all the new product updates. Shootout #1 labeled the Thunder Power 5000 40C as the “best battery” to put into a slash. Does your opinion still hold true? I know you cannot directly compare the results of the two shoot-outs, but there seemed to be many strong contenders in #2. Is there anything newer (and hopefully cheaper) than the TP 5000 40C that can give me some axle bending, A-arm busting, gear stripping, bumper busting power?

Tommy K.

Cubby- I can’t resist posting another of Tommy’s letters.

Good hearing from you again Tommy. Btw, I really like the stock Titan motor on the Slash, it’s quick enough to have fun, but not so fast as to get you into too much trouble. Spray the motor out once in a while with motor cleaner, put a couple drops of oil on the bushings and the Titans typically last much longer than what most of the “message board guys” say they will.

The battery companies have new product every few months, so much of the info in our Lipo shootouts is already outdated. Btw, I hear our next Lipo shootout might be right down your ally- we are planning on shooting out sub $50 2S packs. But… that shootout is still a ways off, so here’s what I recommend for now.

1. Be sure and buy a hard case. You might not think you will taco a soft pack, but you inevitably will. A lot of your landings and crashes are harder than you think, a hard case Lipo will go a long ways towards helping your battery live as long as possible.

2. Buy a Lipo that fits ROAR dimensions. If the pack you buy fits ROAR dimensions, it will easily fit in your Slash and fit pretty much any other rc you might buy in the near future. You’d be amazed if you knew how many people bought batteries that would not fit in their car.

3. All these people sending money straight to China are slowly slitting their own throats, so try to buy an American branded pack from your local hobby shop. When people buy straight from China, not only does an American battery company lose money, so does the American distributor, and your local American hobby shop. Wouldn’t any good American pay a bit more to keep Americans fed than ship their dollars straight overseas ?? Enough of the “I saved 30 bucks!!!” b@llsh!t, lets keep as much money as we can at home. Just say’n…

Lastly, I am Cubby, so I’m not gonna leave ya hang’n on a “real” answer. We haven’t done the sub $50 shootout yet, but I am going to recommend Venom as the best low-buck Lipo on the market right now (till I’m proven wrong in the shootout). Venom’s old Ni-mh packs had a terrible reputation (that was well earned… LOL), but the cells in their new Lipos are sourced from a good place, and from first hand experience around the BigSquid compound, they’ve been solid performers. They are not uber high-end race packs, but they have proven to be great packs for their price. Lastly, pretty much every local hobby shop in the country either has these packs in stock, or can get them quite quickly for you.

One last thing that is not discussed enough… keep your Lipos away from heat when you are not using them. Storing them in an air conditioned room (safely of course) is much better than your garage that is a 100+ degrees in the summer. When using or charging them, try to keep them out of direct sunlight. Don’t leave them in your full size rig that hits 130+ on a hot summer day. Be smart and safe with them of course, but try to keep them cool when not in use.


That’s it for this week, shoot us your emails. Got a question? Send us an email. Want to tear us a new one? Get at the back of the line, but shoot us a mail. Just wanna make our front page? Get in line for that one too, but send us an email! Cubby at BigSquidRC dot com!

YOUR Cub Reporter

OFNA Racing has another 4×4 short course truck in their ranks in the form of the newly designed NEXX 10SC. The kit comes 80% assembled, but gives you the opportunity to tune your ride by assembling the suspension, gear box, and diff grease. It features pivot ball suspension, three sealed oil filled differentials, and new full size (2.2″ outer and 3″ inner) short course wheels and tires. Your motor will mount on a new CNC machined motor mount, and drive a composite 7mm wide spur gear. Lastly, a covered electronics box keeps your valuable electronics dry and clean. MSRP is $429.99.

This truck looks pretty sweet, and has a serious amount of tuning options for all you 4×4 SC class racers out there. Jump on over to OFNA Racing and take a peek at some more pics and all the specs on this new SCT.

What's new: Wednesday, March 23rd, 2011

Model Retailer magazine has just published a report stating that former Horizon Hobby president and CEO, Mike Gillette, has teamed up with industry legend Gil Losi Jr., and former Team Associated engineer Jason Corl to launch a new company called Firelands Group.  They intend to enter the market with cars and trucks of their own under the Helion brand name; electronics, motors, and other performance parts under the Radient label, and car and truck hop-ups under the Anza name.  From the report it sounds like the Radient and Helion brands are going to be HobbyTown USA exclusive brands, while the Anza products will be available at many different hobby shops.   Their first product is apparently going to be a 1/18 scale short course truck under the Helion name for HobbyTown.

The second part of the Firelands venture is hop-up parts for cars and trucks under the Anza brand name. These will be available to all hobby stores and have been developed by Losi and Corl. Gillette says they are aimed at the mid-priced market, primarily geared toward high-end bashers.

Check out the whole article at the Model Retailer website for the details.

BZM Micro was showing off their new 23cc engine for the Baja 5 line at RCX.  This beast is an all new design, not just a bulked up Fuelie or Zenoah.  While this guy may be smaller than a lot of other after-market engines, it’s numbers are anything but.  According to BZM’s dyno testing, when this engine is paired to a Dominator exhaust it can put out over 6 HP at just shy of 15,000 rpm and a peak torque output of 2.54 ft/lbs @ a hair over 12,000 rpm.  That’s a ton of power from a small package.

The 23cc version of this engine will be available very soon through TGN Distributing in the states and MMR Largescale over in Europe, and there’s promise of 26cc and 28.5cc varieties coming later.  Check out the BZM Micro website for more info. Also there’s a video of the dyno test, click the read more button to see it.

More RC Expo 2011 news here.

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I mentioned in the post about RCP Crawlers new Axial XR10 chassis prototype that they had a very cool booth at RC Expo 2011 with all kinds of scale crawlers.  Here’s some pics of a few of them.  All the Jeep crawlers are built with the G.I. Joe Jeep push toy, they are all great looking vehicles.  And be sure to check out the RCP Crawlers website for info.


Click to Embiggen.

[Update: Round 1 voting is now closed, round 2 voting has started.]

Here it is!  The first round of voting for our March Bash-ness spectacular is now open!  Pick the one in each battle that you want to see make it to the next round.

Voting for this first round will be open until March 24th, 11:59pm CDT, that’s not a lot of time, so make sure you get in here now and get your voice heard.

Click through the read more button to start voting.

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What's new: Tuesday, March 22nd, 2011

Axial Rock Racer, Mud Racer Project X

Last week we received a few pictures from a reader of what looked like a possible rock racer coming from Axial. This week we received this picture. Maybe it’s a mud racer? That or this guy has never heard of a car wash!
Rumor mill has it this thing may pop up in a very limited release around mid May! Where do I sign up?!
Going to go out on a limb and guess it might be waterproof.. lol. This picture has me pretty excited because it makes me think this is geared way more towards us bashers than to the die hard ‘crawler’ crowd. Woo Hoo! I hope it can take a beating!

Looks like the official name is the Axial Wraith.

Fingers crossed that Axial’s site will have more details soon. I have to admit, I like these ‘random’ pics popping up. It makes me want it even more.

Direct Link: LiFeSource Charger on TowerHobbies

Review by Brian
LiFe Source Charger

A while back I was looking into getting a LiFe battery for the office 4PK radio we have here. It seemed like a good way to start working a little more with LiFe batteries and maybe get a little more time with our transmitter between charges. (It comes with a NiMH pack). Well we need a way to charge the pack, so we thought we’d check out the LiFeSource charger as well. Read on to hear our thoughts on it.. READ MORE

What's new: Monday, March 21st, 2011

If you’ve ever snapped a shock tower on your Baja 5B/T/SC then you might want to take a look at these new, super beefy towers from Team Chase.  In the picture to the right you can see a stock shock tower at the top and Team Chase’s redesigned and much stronger tower below.  Beyond the redesign, Team Chase is molding the pieces in their proprietary plastic blend which should provide Baja bashers with the strength they need to keep their Baja in one piece.

Keep an eye on Team Chase’s website for more info, all Team Chase parts are distributed by TGN.

More RCX 2011 coverage.

HPI Racing‘s recently announced E-Firestorm Flux was on display, front and center, at the RC Expo.  Here’s a few more pics of it from the show floor showing the water proof radio box and Flux Brushless system.

RCP Crawlers was putting on a big show at the RC Expo 2011, with a booth full of awesome scalers and a large crawling course with demos going all day long.  The big news out of their booth though, was their new Progress chassis for Axial’s XR10 super crawler.  While it’s still an early prototype at this point, when put into production the Progress will increase the clearance of the XR10 with it’s radiused bottom and multiple linkage mounting positions allow for a ton of tunability.

When the Progress is finalized and available, we’ll let you know.  For now, hit up the RCP Crawlers website to see what else they offer.

I missed a few this year, I’ll do better next year, I promise.  Some more pics after the break.  Other RCX 2011 coverage here.

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