My Fourth Pop Pop (Putt Putt) Boat needs more heat

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My Fourth Pop Pop (Putt Putt) Boat needs more heat

Рет қаралды 53,756

10 жыл бұрын

I ordered some copper tube off eBay and it arrived yesterday so I wanted to make a boiler for a Pop Pop boat. I used a couple of jam jar lids for the actual boiler and used the shortest lengths of copper I could to make the exhaust pipes. I extended them outside the boat using ordinary drinking straws. I used a fruit juice carton (tetrapak) for the boat hull and only cut a fairly small access hatch out hoping that would minimise the impact of the wind in my outdoor boating lake (little pond I made to test these boats). As it happened when I wanted to test it in the 'lake' it was getting too windy and also started raining so I ended up testing it in my bath anyway.
The boat didn't perform very well with a single tea-light burner. It did slightly better with 2 tea-lights but I think it really needs a proper burner burning meths or something similar as it really was not getting hot enough to run effectively. I guess that will be the next stage for the next pop pop boat project.
Or I make the boiler smaller by using just one jam jar lid and some flat plate from a tin, that would halve the internal volume so it should need less heat.
Main Components
-
Fruit Juice carton (tetrapak)
2 small jam jar lids
length of copper pipe
2 drinking straws
Two Part Epoxy Glue
Main Tools
-
Heavy duty soldering iron
Craft knife
In response to some of the comments received since I uploaded this video I suggest that if you want some history on Pop Pop boats you look at this Wikipedia link on the subject en.wikipedia.or... they have been around since at least 1891 when a patent was filed by a Frenchman named Thomas Piot.
HOW DOES IT WORK?
Water in the boiler is turned to steam. The steam has a greater volume than the water so it pushes out of the boiler and down the tube. In the tube it cools, condenses and contracts so it is drawn back into the boiler and the process repeats. The action of the steam pushing into the tube pushes the existing water in the tube out the back and that drives the boat forwards. The steam condensing and contracting draws water back into the tube ready for the next push.
If your next question is "why doesn't the boat oscillate backwards and forwards due to this push-pull effect?" try blowing a candle out and then try sucking a candle out and you will see the blow is fairly directional but the suck is not.
If you watch the video closely you can see the water moving in the straw.
Here is the link to DaveHax tutorial which I found excellent
• How to Make a Simple P...
sciencetoymaker has a full step by step tutorial series on putt putt (pop pop) boats starting in January 2009 with episode 1 here • Part 1 Build a Putt Pu...
Here is a good video on tweeking the speed of these boats
• Part 25 Build a Putt P...
Daryl Foster devotes his channel to Putt Putt boats and here is the first one on his channel also back in 2009 • Part 1 Canadian Putt P...
Pop Pop boats • Pop Pop boats
RC Pop Pop boats • RC Pop Pop boats
Toy Boats playlist • Model boats
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Пікірлер: 41

@adrianhansen5308 8 жыл бұрын

OK I understand and thank you fore the advise on the soder☺!

@paulgrahampgpg3142 7 жыл бұрын

yeah his were the first ones I've seen he's really good at build them to I like how you're always thinking of new ways of making them though that's really cool

@GrandadIsAnOldMan 7 жыл бұрын

Thanks Paul. In fact I haven't made any for a few years now. Maybe I should do some more, in fact that gives me an idea 😊

@paulgrahampgpg3142 7 жыл бұрын

GrandadIsAnOldMan I better sub then cuz I don't want to miss it

@GrandadIsAnOldMan 7 жыл бұрын

It may be a long time coming, I work about a month in advance so stuff I am uploading today gets published in February and I have a pile of stuff started last year that I am still working on, but I have put it on my list 😊

@matthewpauls2498 7 жыл бұрын

I made a pop pop engine out of 2 popping lids like that but they were bigger, I filled it with water and it boiled but barely popped. A peice of solder blew out and I fixed it but then the bottom lid got too hot and deformed. (I was using a heat torch so that's why it got too hot I guess) next time I will use one lid and put a flexible metal on the other side so it's not so big and it doesn't take as much heat to boil as much water and it flexes easier.

@GrandadIsAnOldMan 2 жыл бұрын

Hey, 4 years later I got a new comment on this old video and spotted I didn't reply to yours, so I will take the opportunity to wish you a Merry Christmas and a Happy New Year 🎅🏼🎄🎁❄⛄

@matthewpauls2498 2 жыл бұрын

@@GrandadIsAnOldMan Hey man merry Christmas to you! I totally forgot about this comment haha. Maybe I’ll get back into tinkering with those little engines some time... 🤔

@Tadders Жыл бұрын

You could show us how you soldered it (:

@GrandadIsAnOldMan Жыл бұрын

8 year old video and I don't remember if I did one at the time showing the soldering of that particular boiler, but I did show the soldering in this one kzfaq.info/get/bejne/kMeGnJNymsjegqM.html a few years later. You will always find more information in my video descriptions.

@lachieedwards664 8 жыл бұрын

I'm about to make my first pop pop boat out of a sardine can and I'm just looking at ways to make a good boiler that only needs one candle

@GrandadIsAnOldMan 8 жыл бұрын

There are some useful links in my video description that may help. Daryl Foster's channel is particularly good.

@lachieedwards664 8 жыл бұрын

+GrandadIsAnOldMan thanks, will do.

@jessesommer3182 10 жыл бұрын

When I started making pop pop boats I did not have enough heat and my boat could no fit two candles so I took the metal ring thing off and there was a wick holder holding the wick so I jiggled it around and it came out so input the wick connected to the wick holder and put it in the metal container and poured canola oil in and my boat whent very fast and the flame was really hot.

@GrandadIsAnOldMan 10 жыл бұрын

Hi Jesse, thank you for sharing that information, that could be very helpful.

@gamemakerei9213 2 жыл бұрын

I have the same problem

@GrandadIsAnOldMan 2 жыл бұрын

You may find the information in the video description useful 👍

@gamemakerei9213 2 жыл бұрын

I red it and it was useful

@GrandadIsAnOldMan 2 жыл бұрын

@@gamemakerei9213 My playlist has my boats in it, but it also has lots of other peoples boats, dozens of different designs kzfaq.info/sun/PLA5a2xPRSrB2M0m754LkqMXQFwFRAS3HK

@smartracingautocraft5583 7 жыл бұрын

nice build..is there any alternative to the copper tubing sir?

@GrandadIsAnOldMan 7 жыл бұрын

If you intend to solder the tubes into the boiler then you are limited to metals that can be soldered, so copper or brass are the most easily used. If you want to use plastic straws and glue I suggest you look in my video description for my pop pop boats playlist to see other examples or just click on the link for DaveHax version which uses glue or Blue-Tac

@juandiegonavarrohernandez253 2 жыл бұрын

Cómo sacaste los tubos por debajo se enfría el vapor

@GrandadIsAnOldMan 2 жыл бұрын

I am afraid your comment does not translate well with Google Translate, so I suggest you read my video description. There is lots of information in there.

@umas4932 6 жыл бұрын

I got a youtuber, whom I was searching from childhood

@GrandadIsAnOldMan 6 жыл бұрын

😊 😊

@anthonybelcher8569 6 жыл бұрын

Awesome

@GrandadIsAnOldMan 6 жыл бұрын

Thanks Tony 😊

@adrianhansen5308 8 жыл бұрын

what time of solder do you house I have made16 pop pop boats with lead solder and non have worked pleas respond as soon as possible

@GrandadIsAnOldMan 8 жыл бұрын

+Adrian Hansen sorry I don't remember what brand or type of solder it was. I just bought some in the hardware store in the plumbing section. Your problem may be the size of soldering iron you are using. You need a heavy duty soldering iron as it needs to heat the metal enough to allow the solder to flow properly. If you are using one that you normally use for soldering wire then it is not going to be good enough. You probably need an 80 watt or 100 watt soldering iron or use a gas blowtorch.

@hhfhkcfrokeyskj3402 3 жыл бұрын

Not sound why

@GrandadIsAnOldMan 3 жыл бұрын

The boiler is made from thicker metal so the panels do not flex in and out as the water turns to steam and cools again. Many of my "pop pop" boats are silent, there is a link to the playlist along with more information in the video description.