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My Gmaxx build
Well, I ditch my original plan of using my thunder chassis for this build. Instead, I bought a used Gmaxx chassis.
Racerx suspension for the rear; http://i256.photobucket.com/albums/h...Picture028.jpg UE racerx shocks: http://i256.photobucket.com/albums/h...Picture031.jpg Assembled front and rear suspension: http://i256.photobucket.com/albums/h...Picture030.jpg Rear with MMM: http://i256.photobucket.com/albums/h...Picture039.jpg Gmaxx with original chassis in foreground. I made the bottom plate from 3.2mm 6061T6 aluminum. http://i256.photobucket.com/albums/h...Picture038.jpg Neuenergy 5S1P 5000maH: http://i256.photobucket.com/albums/h...Picture037.jpg |
Various chassis shots:
http://i256.photobucket.com/albums/h...Picture036.jpg http://i256.photobucket.com/albums/h...Picture035.jpg http://i256.photobucket.com/albums/h...Picture034.jpg http://i256.photobucket.com/albums/h...Picture033.jpg Ofna 51T spur on Strobe slipper. I made a sprong from a faucet rubber gasket/plug. http://i256.photobucket.com/albums/h...Picture044.jpg Series adapter when I go 2 x 3S down the road: http://i256.photobucket.com/albums/h...Picture043.jpg I'm still waiting for additional parts. I will update and post pictures as parts arrive. By the way, I will be running a Medusa 36-60-2000Kv on 5S. |
More pics. Made some changes too. I decided to use the gmaxx chassis plate instead of the one I made because I returned the 5S to the store and will be getting 2x 3s 25C 5000maH.
I flip around the tranny so the motor will be towards the rear. I'm still waiting for my UE monoblock for added length. Still waiting for the motor (Medusa 36-60-2000Kv) and batteries from DMA. http://i256.photobucket.com/albums/h...Picture045.jpg Diemaker Dave wingmount with Mugen MBX5T wing and wingstay: http://i256.photobucket.com/albums/h...Picture046.jpg http://i256.photobucket.com/albums/h...Picture047.jpg http://i256.photobucket.com/albums/h...Picture048.jpg http://i256.photobucket.com/albums/h...Picture049.jpg Hitec 5955TG steering servo: http://i256.photobucket.com/albums/h...Picture050.jpg Lexan shield on Racerx lower arm: http://i256.photobucket.com/albums/h...Picture051.jpg http://i256.photobucket.com/albums/h...Picture052.jpg http://i256.photobucket.com/albums/h...Picture053.jpg My trucks from left to right; Emaxx, supermaxx, Predator: http://i256.photobucket.com/albums/h...Picture055.jpg Once I get the monoblock installed on the Gmaxx, all 3 trucks will have the same length but the predator will have a longer wheelbase due to the UE setback arms. |
looking good dude.
what kinda motor you going to be putting in it? |
Medusa 36-60-2000Kv
I'll take that custom battery tray off your hands- PM me a price. Sweet build... |
Sorry Neil but I'm keeping it for any future upgrades :).
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Bah, humbug. Fair enough- GorillaMaxx should offer one just like that though especially for lipos.
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Looking good, great build… Which motor will you be going with?? How do plan on disrupting the weight with a 5s on oneside only:whistle:, inquiring minds want to know?
Thanks for your time and again great build…:yes: |
I returned the 5S and exchanged it for 2x 3S so it will be more balanced. I didn't realize how big the 5S was until I received it :(.
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Update:
I just received the UE monoblock today and got it installed. However, I made a mistake. I was thinking about using the 100.5mm Thunder chassis titanium dogbone because of the additional length of the monoblock but it did not work. It was too short. I did not realize that I needed a longer than 100.5mm dogbone because the Gmaxx chassis allows the dogbone to be more horizontal compared to the angled way on the thunder chassis. I'm glad I have a 105mm (actually need 108mm center to center of pin) titanium dogbone (I don't know where I got it from :)). I had to use 2 little o-rings on each drive cup to keep the dogbone snug. Pictures: UE Monoblock. I bought 2. Let me know if anyone is interested in buying the other one. http://i256.photobucket.com/albums/h...s/DSC00398.jpg http://i256.photobucket.com/albums/h...s/DSC00402.jpg Installed Mono: http://i256.photobucket.com/albums/h...s/DSC00403.jpg http://i256.photobucket.com/albums/h...s/DSC00404.jpg http://i256.photobucket.com/albums/h...s/DSC00405.jpg Home made battery strap: http://i256.photobucket.com/albums/h...s/DSC00400.jpg Strobe sprong made of a sink faucet gasket and flipped over slipper plate :cool: : http://i256.photobucket.com/albums/h...s/DSC00401.jpg |
More pics:
I modified a tmaxx rx box for use on my Gmaxx: http://i256.photobucket.com/albums/h...Picture056.jpg http://i256.photobucket.com/albums/h...Picture057.jpg http://i256.photobucket.com/albums/h...Picture059.jpg http://i256.photobucket.com/albums/h...Picture058.jpg |
I do like the homemade sprong, so much cheaper and just as effective, Im willing to bet.
Only thing I might suggest is to shorten the battery wires, and the wires of the series harness- less dangling wires is always good, and looks cleaner. :yes: |
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I agree with the dangling wires. it's not done yet so to speak. I will be shortening the wires and tucking them in using zipties :mdr:. Anyway, I got tired of waiting for the Medusa 36-60-2000Kv so I ordered a 1515 1Y/F from Impakt yesterday. It was shipped the same day I ordered it. I just hope my MMM will not die when I test run it next week. I also returned the 5S Neuenergy battery I had and exchange it for 25C/50C 2x 3S 5000 mah lipos. This way, the truck will be more balanced. |
That's a great looking Truck George16....
I've got almost the same setup and it kicks butt on 6s, you'll love the motor it will keep things nice and cool.. What gearing are you starting with??. I noticed that you order the finned motor.. You will need to cut off some of the fins at the bottom where they hit the trans, not a big deal just an FYI.. Keep up the great work.. |
Thanks Shaun. I will start with 51T spur and 20 pinion. I also have 18, 19 and 21T pinions just in case 20 does not work well. The only reason for the finned motor is, I can't wait any longer for a smooth can 1515 1Y. Every place I asked did not have it in stock.
My trusty dremel will be taking care of those fins :). Anyway, I wish I'm still stationed in San Diego so I have access to all the nice lhs's. |
Wow, very nice build bro! Looks stellar!
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I'm hoping to receive my motor today or tomorrow so I can run it this weekend. Anyway, question for everyone, if you have a choice between the Tekno RC Neu 1515 1Y and the original smotth 1515 1Y, which one would you buy? Edit - I had been getting pm's about the monoblock. It's been sold. |
Update receive more goodies today.
UE 8 spyder gears: http://i256.photobucket.com/albums/h...Picture065.jpg Tekno RC Neu 1515 1Y/F: http://i256.photobucket.com/albums/h...Picture064.jpg Neuenergy 2x 25C 3S 5000mah batteries: http://i256.photobucket.com/albums/h...Picture060.jpg I test-fitted the motor with an assortment of pinions ranging from 18-21T and I didn't see any fitment issues. The motor was not even touching the tranny case with the 18T pinion. More pics: http://i256.photobucket.com/albums/h...Picture074.jpg http://i256.photobucket.com/albums/h...Picture075.jpg http://i256.photobucket.com/albums/h...Picture072.jpg http://i256.photobucket.com/albums/h...Picture071.jpg http://i256.photobucket.com/albums/h...Picture070.jpg I dremeled the stock motor holder for fit the 21T pinion: http://i256.photobucket.com/albums/h...Picture069.jpg |
And some more:
http://i256.photobucket.com/albums/h...Picture058.jpg My 16-month old daughter inspecting daddy's trucks :lol: : http://i256.photobucket.com/albums/h...Picture061.jpg http://i256.photobucket.com/albums/h...Picture062.jpg I will be installing everything tonight (except VBS and 8 spyders) and hope to run it this weekend if the rain ever stops :(. |
Looking good, must be over the moon about being able to run it soon. Whereabouts do you store your trucks? In the dinning room?
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Well, I was able to do one pack this afternoon and wow is an understatement. It's very powerful and I flip twice while doing high speed runs (sorry no gps). My settings are the following:
Settings for initial run ---- Changed settings to Brake/Reverse Type ----- Rev Lockout (D)---- same Brake amount ----- 30% ---- same Reverse Throttle ----- 50% (D)---- same Punch control ---- 50%----- 30% Drag Brake ---- Disabled (D) ----- same Start power ---- Low ---- same Motor type ---- brushless---- same Arming time ---- 1.5 secs ---- same Motor timing ---- 10% ----- same Cutoff voltage --- Auto ---- 19.2 Throttle dead band ---- - .1000ms ----- same 1515 1Y on 6S |
Looking good. Don't know what tires you're running but phaltlines are great for speed runs. Very stable in comparison to standard MT tires. Looks like you've been at yokosuka a while huh?:lol:
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Wow. a 2200kv on 6s with that kind of gearing must be 55 or 60mph at least! Nice work man!
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Thanks. It's geared 51/20. No gps yet. But Brian's calculator say 57 mph. We'll see.
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Hey george very nice build man!!
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Thanks bro. I haven't seen you much in the traxxas forums lately. By the way, you have a nice truck there. I was thinking of going through the same route you did but I got impatient. I just want to experience brushless power right away.
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Is that your 4WD in your avatar? Looks like a garage to me! :lol:
Aircraft carrier, hmmmmmmm, they don't really have sides do they? I can't see captain nemo turning around & dropping divers to retrieve your wet truck in a hurry. :lol: Good luck with the new post & truck. |
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Oh no, I won't be running the truck on the flight deck. It's more in the hangar bay which is the same area as the flight deck. No chance of running it into the ocean :lol:. USS george Washington CVN 73. http://upload.wikimedia.org/wikipedi...;28C-73%29.jpg |
Damn...
Would make for a nice drag strip :yes: |
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Very pic man, gota get vid of you running all over that sucker!! |
Here's a short video of the second run:
http://i256.photobucket.com/albums/h..._13Jun2008.jpg It's very powerful. I have not taken any temp readings but I can put my hand on the motor or battery without getting burned. |
Very Nice.
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Here's another vid with a couple of passes. The winds are still howling like the other day. Temps after about 20 minutes of speed runs:
ESC - 92dF Motor - 125dF batteries - 85dF http://i256.photobucket.com/albums/h...h_Video016.jpg That's the mouth of Tokyo Bay in the background. |
Dem good temps :yes:
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It just dawned on me last night. I was initially thinking of cutting the other "ear" of the motor mounting plate but I changed my mind because it actually helps in cooling down the motor. It helps in dissipating the heat from the motor by providing an extra surface area for cool down.
By the way, that's the stock 3906 motor mount which I deanodized using oven cleaner. |
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