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Old 01-09-2011, 06:03 AM   #1
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Default Negatives to Boiling Plastic Parts?

I was wondering if anyone can tell me some negatives to boiling plastic parts. I am looking at boiling my arms on my MBX6T. I have never broken an arm, but if it's going to add some assurance then why not do it. I see some Pros boiling arms so I am going to assume the Positives out way the Negatives. But I don't know for sure. The only negative I can really think of is the arms may bow out a bit more over time.

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Old 01-09-2011, 06:13 AM   #2
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Just remember to add plenty of salt and make sure they're al dente....oh wait that's pasta.
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Old 01-09-2011, 06:19 AM   #3
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LOL
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Old 01-09-2011, 06:33 AM   #4
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i'm very curious about what the benefits would be. they have already been cured at high heat. what does heating them up again do??
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Old 01-09-2011, 06:38 AM   #5
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Originally Posted by nitrozilla View Post
i'm very curious about what the benefits would be. they have already been cured at high heat. what does heating them up again do??
Mostly they brittle up with cold weather. I dont have that problem cause its always hot here.
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Old 01-09-2011, 06:42 AM   #6
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Quote:
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i'm very curious about what the benefits would be. they have already been cured at high heat. what does heating them up again do??
Boiling parts has been known to make the parts a bit less brittle. I have boiled Wings before on my truggy's and buggy's, since I have started doing that I have never cracked a wing. The reason I am asking now is because arms take a lot of forces and this extra bit of flex may be a downside in some way.
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Old 01-09-2011, 07:03 AM   #7
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I boil the arms on my mbx6.use to break one here or there but now i dont break them anymore and the car feels the same.
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Old 01-09-2011, 07:58 AM   #8
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how long do you boil them ??
is there a certain temp you want to reach or not exceed??
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Old 01-09-2011, 08:06 AM   #9
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[GVIDEO][/GVIDEO]
Quote:
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how long do you boil them ??
is there a certain temp you want to reach or not exceed??
212 F.
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Old 01-09-2011, 08:29 AM   #10
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just bring the water to a boil, for like 10-15 mins
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Old 01-09-2011, 04:28 PM   #11
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just bring the water to a boil, for like 10-15 mins
So is there any negatives to doing this? If not I really don't see why not to do it.

Thanks
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Old 01-09-2011, 06:09 PM   #12
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So is there any negatives to doing this? If not I really don't see why not to do it.

Thanks
I don't think so. as long as you don't overdo it. I just recently started boiling arms for my mugen after a rash of broken front arms and did not notice any change in flex/softness. I really think you only need to soak the parts long enough so the heat can penetrate though out the part. any longer may soften things?

I have been bringing water to a boil and then with heat off soaking the parts for around 6-7 minutes. enough to get the heat all though. remove. then let air-cool as slow as possible.

My guess is that when the parts come out of the mold they may not be cooled evenly. So the boil method re-tempers the plastic so there are no weird stresses left in the part.

Any plastics engineers in the house?
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Old 01-09-2011, 06:13 PM   #13
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I just busted a rear suspension arm on my 6T today. Not really sure how bit I caught a pipe and it broke. So the neww ones are going into the pasta, um I mean water.
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Old 01-09-2011, 06:36 PM   #14
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Neo buggy had a picture of Tebo boiling arms, it gives them a bit more flex vs those that havent been boiled. The picture was taken back when the worlds was going on, not sure if he ran them at the worlds or not. I would guess so as the track was tuff and if you have plastic the was a bit more forgiving then its a bit of a safety thing. I my self only boil wing and the wing stay.
Bring water to a boil then turn off burner, drop in arms and 10 min later add sauce, I mean install on car.
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Old 01-09-2011, 06:51 PM   #15
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hey guys, seems like most posting here have the mugen mbx6t and have broke some arms. I have been running my Mugen for 2 full season's now and have only broke one front a-arm, and i had a pretty bad cart-wheel. I run on a track with lots of huge jumps where alot of the time you flat-land and just dont understand why so many have problems with the a-arms on this car. Now im not accusing any of you of not being able to drive, as im sure most are far better than me, but so far with this car its been a non-issue and parts breaking is at the bottom of my worry list on race day.
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