11-28-2021, 09:26 PM | #1 |
Newbie Join Date: Nov 2021 Location: Wellington
Posts: 2
| 2-speed for TF2?
I installed an RC4WD 4:1 compact gear reduction unit on my TF2. It's AWESOME for crawling, but way too low for general trail driving. What's the best option for getting a higher gear ratio while retaining the crawling ability of the lower gear ratio? Is there a 2-speed transmission comparable to the AX2 that works well with the TF2? Larger pinion? 2-speed T-case? This should probably go in the newbie section, but most of my efforts so far have been put into making my rigs a scale as possible.
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11-28-2021, 09:59 PM | #2 |
I wanna be Dave Join Date: Jun 2020 Location: The Big Island
Posts: 2,010
| Re: 2-speed for TF2? https://store.rc4wd.com/R3-Scale-2-S...on_p_2220.html This tranny came in select models of the TF2. Out of stock right now, but im sure you can find ebay takeouts. I have heard these trannys are known for having quite a bit of slop compared to their single speed. I have no first-hand experience so that could just be RC4WD haters spewing their opinions. ______________________________________ AR60 VS410 TRX4 Sport coming soon.. Veterans deserve a whole month too... Last edited by ScaleLifeNewbie; 11-28-2021 at 10:04 PM. |
12-04-2021, 08:33 PM | #3 |
Newbie Join Date: Nov 2021 Location: Wellington
Posts: 2
| Re: 2-speed for TF2?
I might give it a shot. Thanks!
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01-21-2022, 07:39 PM | #4 |
Newbie Join Date: Jan 2022 Location: Georgetown
Posts: 20
| Re: 2-speed for TF2?
I run the 2 speed trans and yes there is a lot of slop in it from how it shifts. There are mods you can do to tighten it up, but not worth it... if you plan ahead on the trail its manageable.
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01-22-2022, 06:12 AM | #5 | |
Pebble Pounder Join Date: Dec 2021 Location: Central Florida
Posts: 101
| Re: 2-speed for TF2? Quote:
But removing the biggest offender to slop in the 2 speed? totally worth it if you have the knowhow. I'm going to take the plunge and do it at some point. Ill post it when I do. I too remember seeing a post on here showing how to fix it, But can't find it now ironically. | |
01-23-2022, 07:38 AM | #6 |
Pebble Pounder Join Date: Dec 2021 Location: Central Florida
Posts: 101
| Re: 2-speed for TF2?
I did finally find one of the threads trying to address the slop issue. AX2 transmission - gettin' the slop out |
01-23-2022, 11:13 AM | #7 | |
Newbie Join Date: Jan 2022 Location: Georgetown
Posts: 20
| Re: 2-speed for TF2? Quote:
I get it, I should have been more clear. In this great state of Delaware, our biggest hill here is a leaching field... I do alot of shifting. When filling the gaps of the driven gear I found that it would miss from time to time.. great poss that was my fault in fill too much.. but I would loose momentum in the mud. The slop reminds me of my old Yj with a lunchbox in it, having a ton of slop. | |
01-23-2022, 12:40 PM | #8 | |
Pebble Pounder Join Date: Dec 2021 Location: Central Florida
Posts: 101
| Re: 2-speed for TF2? Quote:
I live in Florida so I too only have a few rocks in the entire state. So I feel you there. But when I do get on the rocks in first gear and the slop hits on a descent, and it topples end over end or screws up my chance at that line, is quite frustrating. I'm building mine for both trail and crawling, so refuse to get rid of the 2 speed. I'm pretty sure from an engineers standpoint, adding the bevels will force it to catch even shifting at speed. Give it a little room for it to solidly engage and there should be very little slop and no missed shifts. A slight difference in the angle of the bevel from one side to the other will also prevent it from from skipping back out at high rotational speed. When i get around to it; That is the question haha | |
01-23-2022, 08:27 PM | #9 | |
Newbie Join Date: Jan 2022 Location: Georgetown
Posts: 20
| Re: 2-speed for TF2? Quote:
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01-24-2022, 06:54 AM | #10 | |
Pebble Pounder Join Date: Dec 2021 Location: Central Florida
Posts: 101
| Re: 2-speed for TF2? Quote:
Since you wouldn't be shifting full speed in reverse, a difference between the bevel angle from one side of the slot to the other, one higher than the other should help it catch, and prevent jumping out shifting at speed while going forward. This might work. | |
01-26-2022, 07:25 AM | #11 |
Newbie Join Date: Jan 2022 Location: Georgetown
Posts: 20
| Re: 2-speed for TF2?
Go for it.... See what happens.... I'd be interested to see how it reacts
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02-05-2022, 09:46 AM | #12 | |
Pebble Pounder Join Date: Dec 2021 Location: Central Florida
Posts: 101
| Re: 2-speed for TF2? Quote:
I've got the basic design planned out. Just need everything apart and in front of me to get it all finalized. | |
02-05-2022, 10:06 AM | #13 | |
Newbie Join Date: Jan 2022 Location: Georgetown
Posts: 20
| Re: 2-speed for TF2? Quote:
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Tags |
drivetrain, gear ratio, rc4wd tf2, transmission |
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