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| Posted: Mon May 14th, 2012 03:48 am |
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1st Post |
Sean Langford
Member
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Picked up some parts today definitely old but not sure what they came off frame was cut up rims are nylon never seen any thing old like them front tires are Indian head carlise rears are brand new vintage eliminators trying to find out mostly what this stuff came from.
Attachment: vintage 007 a.jpg (Downloaded 172 times)
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| Posted: Mon May 14th, 2012 03:54 am |
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| Posted: Mon May 14th, 2012 03:55 am |
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| Posted: Mon May 14th, 2012 03:55 am |
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| Posted: Mon May 14th, 2012 11:55 am |
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Steve Miller
Member
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Looks like it mighta been an old bug stinger ..i think they came with old style azusa lite wheels or they might just be called nylites .?? been around long time they still make them .. back 40 yrs ago i used to boil all mine in rit dye. to color them ... yellow ., red ., blue ., black .
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| Posted: Mon May 14th, 2012 12:57 pm |
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6th Post |
Ted Johnson
Member
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If those cut up pieces are from the kart in question, it looks like a Lancer. The wheels ARE Nylites. Steve talking about Rit dyeing nylon... All the plastic on my Swoopster Bandit is dyed purple to match the kart. The boiling process also stress-relieves nylon. We used to dye all our R/C model airplane props, and there was less breakage. Ted Last edited on Mon May 14th, 2012 12:58 pm by Ted Johnson
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| Posted: Mon May 14th, 2012 10:58 pm |
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7th Post |
Sterling Brundick
Member
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Ted - Learn something new everyday! I've never heard of dying nylon. Tell me about it and also about stress relief. This sounds interesting.
Sterling
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| Posted: Mon May 14th, 2012 11:00 pm |
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8th Post |
Sean Langford
Member
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Are the cut up frame pieces worth anything if not I would like to use them for a newer fun kart project.
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| Posted: Mon May 14th, 2012 11:03 pm |
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9th Post |
Sean Langford
Member
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Yea the boiling and dying sounded cool to me to how long do you boil them before it screws something up besides my wife's spaghetti pot
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| Posted: Mon May 14th, 2012 11:24 pm |
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10th Post |
Ted Johnson
Member
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Sterling, I'm not a plastics expert on the stress relieving. In the sixties, the model airplane magazines like R/C Modeler had small articles showing how to dye natural color nylon propellors to match the plane, or to make them look like wood. The claim in the articles was that as a bonus to getting the color you want, the nylon was stress relieved. We never did any analysis to prove or disprove this claim. It certainly did no harm to the props, and Nylites can use all the stress relief they can get. The method was to get a stainless pot: NOT one of the wife's, add clean water to cover the articles and add at least 30% dye to the water. Bring the mixture to a boil, stir it well. suspend the articles, or space them above the pot bottom, and let them boil until the desired shade of color is obtained. I always rinse the parts in cool water. If the shade is too light, put them back in for a while. If it's too dark, you goofed up! All the tie wraps, snapper hose clamps, loop clamps and fuel hose on the Swoopster came out very well; of course I started with natural color nylon. I've been using the liquid Rit dye, but we used the powder in ye olden days. If you get it on your hands, be prepared to be purple (or whatever) for a while; it doesn't wash off!! Ted
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| Posted: Mon May 14th, 2012 11:29 pm |
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11th Post |
Steve Miller
Member
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sean ., wont work good unless there brand new .. if theres any stains ., nicks or oil soaked in . it looks terrible .. might get away with black .. but they make brand new black ones ...and they sell 25 for front 29 for rears i just bought 4 from aps few weeks ago .. .. small parts on r/c cars and tornado airplane props seem to take all right but the wheels must be so much thicker .. boil for 3 minutes pull them out check but you gotta drop them right back in befor they cool or thats how there gonna be ..to light .. the longer the boil the darker color .. i dont think you can hurt them unless you actually melted something ..
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| Posted: Mon May 14th, 2012 11:35 pm |
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12th Post |
Sean Langford
Member
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Steve, thanks I won't do the wheels but it is definitely interesting for future projects
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| Posted: Mon May 14th, 2012 11:51 pm |
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13th Post |
Sterling Brundick
Member
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Yes, it's very interesting. So you can dye clear fuel line too? Too cool. And Ted, yes, those nylon props did need a lot of stress relief!!!! Just ask my left three fingers, starting with the pinky. I still have them but dam it hurt!!!! Especially when the fuel got in to the wounds. I was testing a Fox .36 on my pop's old Playboy Sr. freeflight and after it got going and I had removed the glow plug clip, I reach over to adjust the needle valve and by the time I noticed the right side firewall was coming unhinged, it was too late. That thing pivoted around and clipped the left corners clean off my left 3 fingers, going from bad to worse. Boy, it took a long time to heal. Still have the scars. I subscribed to RCM too. Ashame they're not around anymore.
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| Posted: Tue May 15th, 2012 01:03 am |
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14th Post |
Steve Miller
Member
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sterling do you still fly . i was flyin my super sportster double winger today during lunch .. i got a webra .50 speed engine with a nice pics pipe and i run 20 % in everything .. Lol .!! yupp even couple of my karts ..
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| Posted: Tue May 15th, 2012 01:43 am |
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15th Post |
Sterling Brundick
Member
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Steve - No, sadly I don't. That's not to say I wouldn't like to but I only have time for 1 hobby at a time. And, I use to do Freeflight when I had somewhere large enough to fly. It's getting harder and harder to get access to large enough places for freeflight. Landowners just don't want you on their property for fear of you getting hurt and sueing them or disrespecting their land, which I can understand. It only takes 1 bad apple to ruin it. But, I still have about 15 kits, mostly from the early to mid 70's. Sig J3 Cub 72", Starduster 800, Sniffer come to mind. I ought to look them up on ebay and see what they would fetch. They have never been opened.
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| Posted: Tue May 15th, 2012 01:53 am |
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16th Post |
Ted Johnson
Member
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Had a couple different fuel hose brands here. Some worked, some didn't. Nylon is much more reliable.
Guess I got lucky. Never lost any digits from flying. Got the hands whopped many times. Some of the early C/L speed engines like the Dooling 61's were real touchy, and had props like needles! Of course, we began using electric start in the fifties. When we switched to R/C, the engines were generally more docile....though I remember a Theobald-Wisneiwski modified Rossi 60 that would eat you. Darn thing was as powerful as a Mac 49! It hauled Pop's 6 Lb. modified Hustler delta straight up. Chicken Stick helped a lot! Ted
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| Posted: Tue May 15th, 2012 10:21 am |
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17th Post |
Sterling Brundick
Member
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Ted your right. I was using a chicken stick long before they came on the market. A good, new kids pencil worked well! Those props would slice you up good just using your finger to pull it through. Oh, the memories! I came across 3 of my Cox .010's Sat. while looking for something else. Still in the box. Coll little engine.
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| Posted: Tue May 15th, 2012 11:16 am |
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| Posted: Tue May 15th, 2012 12:07 pm |
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19th Post |
tom perry
Member
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As a former Plastics engineer, I can tell you this about nylon and stress reliving. Nylon is hydroscopic, which means it will absorb moisture after molding. as it does, it changes in dimensions. therefore in critical situations, ie. tight tolerances, hot oil bath ( not motor oil!) @ 200-250 degrees F, will equalize the internal stresses from the molding process and allow the part to grow to its max.size. as I recall 10 minutes per 1/8" of thickness is what we used to figure. Most nylon compounds process (melt) at 490-520 degrees F. so boiling water / dyeing process for 10-15 minutes should not harm them.
Like Steve M. said, used wheel with nicks, dirt, oil stains etc. will not be good candidates for this process. colore will not be uniform, and be warned that this may release the built up stress in this wheels and things could warp out of shape. as witjh all advice use at your own risk and try it out on an expendible part.
that's all I have.
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| Posted: Tue May 15th, 2012 02:01 pm |
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20th Post |
Dennis Schmidt
Member
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The problem with the Nylite wheels was the havoc caused by UV rays. You'd be better off painting them than dyeing.
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