Grimaces 'POS' Wraith Hi, I have recently decided to get into a RC crawler and after about 5 hours of research I finally put my order in for a Wraith kit from tower hobbies early this morning. While I still techinically call my self an RC newb, I have had a crawler in the past. It was a TXT1 and it was terrible. I bought it built secondhand and it really didn't work well at all. I broke heaps of bits and ended up giving it away for a carton of beer. That was many years ago. Since then I have been in and out of the RC hobby with my HPI Baja 5B SS that my partner got for me for Xmas, about 8 years ago. It seems I fix it, run it, break it, then store it for a year and rinse and repeat. I have just finished a minor rebuild of the suspension links and shocks. Thread can be found on the HPI Baja forum - Grimaces 5b SS POS! - HPIBajaForum I also enjoy my 1:1 off roading, and have a POS Range Rover classic that gets beat around the place. So given the two above I thought I would combine them and get back into the RC crawler scene. Hence here I am today. My main aim with this Wraith is to set it up for crawling, not interested in go fast as the Baja is used for that department. I want my son to be able to drive the vehicle safely and continue to learn the many aspects of 4wding from the safety of the Pistol Grip transmitter. I have been trawling the place pretty hard today and Harley's 'how to' / 'all about' threads have been great. But man the information is overwhelming. Once the Wraith arrives I will get some pics of the build and have some questions to ask that hopefully you can all help me out with. In time I hope to learn and be able to pass on the knowledge to the next noob! Cheers Grimace Current Specs; Wraith Kit Holmes Hobbies BLE Pro Waterproofed Turnigy TrackStar 21.5T 1855kv Castle BEC set at 7.4v Hitec 7980TH Steer Servo 46kg @ 7.4v Axial Aluminium Servo horn (24t) Axial 87T 48p Spur Axial 12T 48p Pinion HR Aluminium trans housing HR Light weight gear set SuperShafty Ultimate motor mount Axial Dig Upgrade Hitec 7955TG Dig Servo >24kg @ 6v (running at 7.4v) MIP Driveshafts Axial HD bevel gear set 43T/13T front & rear Axial Machined link mounts Priceys Custom Crawlers Titanium Links (inc steering) Vanquish Chubs & Knuckles RCBROS Knuckleweight system Vanquish SLW v4 Wheels Pitbull Rockbeast 2s (drilled by Crawler Innovations) Crawler Innovations 6" Double Deuce Soft foams Carter Fab Aluminium roof panel Carter Fab Aluminium side panels Level 3 droop kit installed (custom application to rear) 130mm Topcad shocks up front (40wt) 150mm Topcad shocks out back (40wt) Axial 55mm Shock braces Proline Springs super soft!!! Tripple rate fronts! FlySky GR3E RX & GT3C TX Too much $$$ Second Wraith (Purchased August 2018) has the following that I am aware of; Wraith kit Holmes Hobbies Torquemaster BRXL Axial 26t or possibly Mabuchi 540 Can lol Castle BEC @ 6v Savox SC-1256TG Steer servo 20kg @ 6v Ebay alloy servo horm (25t) Robinson Racing 96T 48p Spur Robinson Racing 12T 48p Pinion Stock trans HR Motor mount Boom racing driveshafts Bent aluminium links Vanquish Ti Steer links HR Chubs & Knuckles RC4wd Interco Super Swamper Iroks (drilled by me) Crawler innovation Double Deuce Soft foam inserts Beadlocked wheels (plastic) with weights installed 210mm shocks front and rear (40wt) Dx2s TX SR3300t RX |
Re: Grimaces 'POS' Wraith Welcome. With your 1:1 knowledge, you'll do great and have a blast. I'm a Wraith/crawler newb myself, but I'm learning fast. Good stuff on this forum. The Wraith is a blast to monkey around with. I've had mine for a couple of months now, and I've upgraded a good portion of the drivetrain already......Tekin ROC 412 motor, Mamba Max Pro ESC, CC BEC, Axial universals, modded driveshafts, 3S lipo, etc. I'm on my way to having a 'bash-proof' crawler. To keep the spending in check, I'm on a strict upgrade-as-I-break plan. It's working so far. Mike |
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I went down the upgrade as it breaks path with my Baja and plan to do the same with the crawler. Plans so far are HH brxl and torquemaster Pro combo 35t. Will have to share my Spektrum dx3.0 radio from my Baja as it come with a second receiver (SR3000) that I can use for now. I know it is a little outdated but I assume it will be fine? Looking at the Hitec range of servos at the moment, specifically the HS-7955TG, and then last decision will be on the batt (might go with Harleys seggested Turnigy 2200mAh 3) and charger to suit. |
Re: Grimaces 'POS' Wraith Excellent choice on the esc and motor. My wraith was built from the beginning as a crawler and hiking trail explorer and I run the same thing. Except my motor is a 27T geared very conservatively. The DX3.0 will be fine. That was my first "good" radio and I never had a problem with it, other than being heavy! (8 AA batteries wear my hand/arm down after crawling on a mountain top for 6+ hours haha) The Hitec 7955tg was the servo I tried in mine at first and I found it was too easy to stall out. The wraith with its big tires and axles are really hard on the servo. I'm using a Hitec 7950 at 7.4v now and am in love. :ror: For a wraith built for crawling, I would not recommend any less than that. You'll want the VP titanium tie rod as well. Its the only tie rod I haven't been able to bend, and it's not that costly. Your steering will be top notch after this. |
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It has been suggested to me that I would be better off with a 27T torquemaster instead of the 35T, any opinions on this would be much appreciated. I also have access to a new 16T Team Pro Crawl motor? Would this be an even better choice? Looking at the 7950 and 7980 as servo options now. Have just found out an associate runs an Australian based hobby shop, and he has some HH gear! So will look to place an order with him after Christmas. Cheers & in case I don't get back on (lol) wishing everyone a Merry Xmas Grimace |
Re: Grimaces 'POS' Wraith In my opinion the 27t Torquemaster Pro is the perfect brushed motor for a wraith built to crawl. It's also got some wheel speed when you want is so it's the perfect compromise. That 27t has crazy acceleration and the torque just makes me grin from ear to ear. It's pretty smooth at low throttle too. The 35t you were going for would also not be a bad choice by any means, just a little less wheel speed. I have a 35t torquemaster pro as well but its in my Honcho so hard to make an actual comparison. |
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Just confirming I have ordered the CC BEC Pro and a 7980 servo 8) Engine and ESC next, then all I need is to select a battery and charger shortly after that. EDIT: And to receive and build the kit. Getting a bit a head of myself. |
Re: Grimaces 'POS' Wraith Grimace, Glad to hear that you've researched and read around the forum BEFORE your purchase. Welcome and Merry Christmas! Quote:
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Thanks Natedog, I am trying to get as much info as possible before I make a poor decision. I made many with my Baja 5B and I want to minimize the errors in this build. Thus saving $$$ and allowing me to focus more money on worth while upgrades. This is also why I will be assembling the vehicle with the stock pinion and spur and testing how it all goes before I swap/upgrade the gearing. I figure that so long as the engine is decent I will get to a sweet spot with slight changes to the gearing. My plan was to run 84/14 but until I get the car setup and tested I really don't know what will be preferred for the type of use I intend. I do know that no matter what, I will enjoy the build! I also think this will not be the only crawler in my household come end of 2014."thumbsup" Now on a different subject, what is peoples overall opinion on the Turnigy 2200mah 40C 3s LiPo packs and Balance 6 charger? They are cheap and hopefully OK quality? Further more the traxxas connectors? I was thinking about buying a pack of them to convert all connecting points. |
Re: Grimaces 'POS' Wraith I run those batts and there awesome. Can charge really fast if you've got a decent 10amp charger. Slower with a 5amp plug in the wall charger but not bad. There are tons of ways to go about building a rig the Harley way definitely isn't a bad way to go. |
Re: Grimaces 'POS' Wraith I wouldn't run stock gearing. 80/20 is pretty high. I would ditch the spur and get the Axial 87t spur instead. Start at 87/16 and go up/down from there depending on how it works for you. I've used the Traxxas connectors for years. I really like them. They are easy to install and are nice and big so easy to plug and unplug. |
Kit arrived last week while I was away. Got a bit done on it over the last two days. First impressions are the instructions are not 100%. Shocks are a pain to get right and equal, and can't see them holding oil for long. The tyres are orsum. Love the look and how tacky they are. Heaps of added parts to chose from for the aesthetics. Cutting out the panels is where I am at and don't have the right gear. The overall quality is not near as good as the hpi Baja but I was not expecting it to be. The build is tougher the I expected due to the small size of many fixings. Yet to order the motor and esc. Battery's and charger order from hobby king keeps failing. Forgot all about ordering the pinion and spur... Will get there eventually. Sent from my GT-I9505 using Tapatalk |
Re: Grimaces 'POS' Wraith Prob should include a pick of the box moments after I opened it! My main/first interest was clearly the tyres "thumbsup" http://imageshack.us/a/img836/5363/5p5f.jpg |
Ok so just started the cutting of the panels. Done about 4 inches of cut and am already over it. Getting a price from Carterfab for the setup. But still have to do the interior panel arghh. Also trying to find if I can get a range rover classic style hood? |
OK so is pretty much built. Just done a test run before I hard wire all the esc, bec etc. First issue was throttle is reversed. No worries I thought just need to swap the motor wires. But then I noticed the steering is also reversed! Before I do anything I wanted to check if that is the symptoms of something obvious to a more experienced rc hobbyist. Any tips? ??? |
All good got the manual for the transmitter. Fixed it! But... Only used it around the house for a few minutes. The tyres don't stay on the rims. Think I might have missed a step. Surely they can't be this bad stock. 35t and 14p 87s is Def not to slow. Glad I didn't go for the 25t. |
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Re: Grimaces 'POS' Wraith Yes the kit tires are tacky, R35 compound. They seem to perform decently! |
Yep they are the r35 rip saws. I think I was concerned about gluing them as I do intend to change the foams and wheels eventually. So if I do glue them what the recommend method for removal when the time comes for new foams? |
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