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Post  Levent Suberk on Fri Jan 17, 2020 8:02 am

Cox fuel tank tip from Model Airplane News December 1980:

Cox Fuel Tank Tip Screen22
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Post  BillLee on Fri Jan 17, 2020 9:14 am

Looking at that picture: I cannot visualize/understand what those two added pieces of tubing accomplish. Yes, moving the pick-up internally to the outside of the tank, but the added tubing???????
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Post  MauricioB on Fri Jan 17, 2020 9:24 am

BillLee wrote:Looking at that picture: I cannot visualize/understand what those two added pieces of tubing accomplish. Yes, moving the pick-up internally to the outside of the tank, but the added tubing???????

Friend these aggregate tubes and in that arrangement, allow you to fly the inverted model without spilling or losing fuel from the tank! Thumbs Up
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Post  getback on Fri Jan 17, 2020 9:45 am

Actually it is to let the tank breath so it can still pull the fuel , if you turn the engine upside down it will cause an air lock. Some people also put a fuel tube around the bottom of the engine and just cut a slit (opening ) in it to do the same thing . Babe Bee .049
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Post  Oldenginerod on Fri Jan 17, 2020 3:07 pm

When upright the fuel fill nipples are above the fuel level in the tank, so it won't leak out. When inverted the openings in the extension hoses are above the fuel level in the tank, so it won't leak out. Air can still vent in the hoses either way as it isn't effected by gravity like fuel is.
Hope that's simple to understand.
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Post  Levent Suberk on Sat Jan 18, 2020 2:47 pm

An engine start tip from Aeromodeller May 1955 issue:

Cox Fuel Tank Tip Screen23
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Post  roddie on Sat Jan 18, 2020 4:45 pm

getback wrote:Actually it is to let the tank breath so it can still pull the fuel , if you turn the engine upside down it will cause an air lock. Some people also put a fuel tube around the bottom of the engine and just cut a slit (opening ) in it to do the same thing . Babe Bee .049

Here's an example using a "tee-fitting".

Cox Fuel Tank Tip Dsc02510
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Post  Ken Cook on Sun Jan 19, 2020 7:20 am

For some reason, maybe were just insane but we play with diesels in the winter. I have never been able to one flick a diesel unless it's been running for minutes. You just can't keep enough heat in them and they just cool off too fast. Generally we preheat using a torch when one gets stubborn. We also set them on fire pouring a little lighter fluid on them. A dual benefit as you get to warm your hands at the same time.
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Post  fredvon4 on Sun Jan 19, 2020 8:23 am

wonder if I been wrong all these years using persnickety.....vs the print above with pernickety printed. Don't remember if mom or dad used my version
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Post  roddie on Sun Jan 19, 2020 9:41 am

fredvon4 wrote:wonder if I been wrong all these years using persnickety.....vs the print above with pernickety printed.  Don't remember if mom or dad used my version

It's misspelled in that 1955 Aero Modeller article Phred. Persnickety is the correct spelling and means fussy.. making total sense in the article's context. There is a word; Pernicious.. which means very harmful or destructive. (Webster ref.)
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Post  fredvon4 on Sun Jan 19, 2020 10:00 am

AHA....grin...no wonder...printed 2 months before I was born....If they had waited I could have edited the copy...before printing.....

but that editing would have to wait 30+ years cuz in school I sucked at gramer n writin n speltin
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Post  Levent Suberk on Sun Jan 19, 2020 10:02 am

Persnickety used in US English, and pernickety used in UK English according to Cambridge dictionary.

https://dictionary.cambridge.org/tr/s%C3%B6zl%C3%BCk/ingilizce/persnickety
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Post  fredvon4 on Sun Jan 19, 2020 12:00 pm

Levent----sorta what I waz thunking
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Post  roddie on Sun Jan 19, 2020 1:34 pm

fredvon4 wrote:AHA....grin...no wonder...printed 2 months before I was born....If they had waited I could have edited the copy...before printing.....

but that editing would have to wait 30+ years cuz in school I sucked at gramer n writin n speltin

What should have been written is; "When worn in the bore, a diesel can be a bitch to start in cold weather.." This would be understood perfectly by most of us. Laughing
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Post  KariFS on Sun Jan 19, 2020 2:04 pm

Thanks guys for teaching me a new word lol!

Persnickety... have to remember that.
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Post  RknRusty on Sun Jan 19, 2020 9:24 pm

Yep, it's a good word. In the dictionary, "Persnickety" should have a picture of a 1/2A engine included next to the definition, Lol. I'm glad we could help expand your vocabulary, Kari. Maybe you can spread it all across Scandinavia now. It might go viral and get included in the next edition of the Finnish dictionary, Very Happy .

Levent, sorry for hijacking your otherwise intelligent topic.
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Post  GallopingGhostler on Mon Jan 20, 2020 1:06 am

Levent Suberk wrote:Persnickety used in US English, and pernickety used in UK English according to Cambridge dictionary.
Cambridge Dictionary: persnickety

Interesting, I am learning Spanish (took Spanish I & II at the community college Summer & Fall, III is only available in Fall at Eastern NM U, have to wait until Sept. But I made up for it by taking a jazz ensemble class on sax at ENMU.  Eyebrows )

Word Spanish is quisquilloso
Span¡shd!ct translation: quisquilloso

Con los años, Roberto se convirtió en un viejo quisquilloso y malhumorado.
Over the years, Roberto became a persnickety, grumpy old man.

I thought it interesting, the word malhumorado: mal = bad, humorado = humored, malhumorado = grumpy.

getback wrote:Actually it is to let the tank breath so it can still pull the fuel , if you turn the engine upside down it will cause an air lock. Some people also put a fuel tube around the bottom of the engine and just cut a slit (opening ) in it to do the same thing . Babe Bee .049
I am thinking in theory that one is now down to about a little more than half tank before flying inverted. Then the centrifugal force has the fuel against the outside of the tank. Special venting with the fuel line(s) allows air into the left refuel nipple.
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Post  Levent Suberk on Mon Jan 20, 2020 1:25 am

RknRusty wrote:Yep, it's a good word. In the dictionary, "Persnickety" should have a picture of a 1/2A engine included next to the definition, Lol. I'm glad we could help expand your vocabulary, Kari. Maybe you can spread it all across Scandinavia now. It might go viral and get included in the next edition of the Finnish dictionary,  Very Happy .

Levent, sorry for hijacking your otherwise intelligent topic.
Rusty

Very Happy
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Post  KariFS on Mon Jan 20, 2020 2:48 am

Perry and the Pernickets would have made a great name for a late '60s Brit pop band Very Happy

Not to be confused with Bob and the PerSnickets, a bluegrass band from Kentucky Laughing

It must be a seldomly-used word because honestly I don't think I have ever seen it before. I have read most John Steinbeck novels, every Philip Marlowe story, all Sherlock Holmes books, about 90% of Kinky Friedman's production, many books by Tom Clancy, some Stephen King books and many others, but never run into that word.

Another one that I have learned here is "Cantankerous". Thanks for that too lol!

"Bees are persnickety, Tee Dees can be cantankerous".

Definitely sounds more civilized than "Bees are a bitch to start and Tee Dees can be nasty" lol!
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Post  dirk gently on Mon Jan 20, 2020 3:23 am

RknRusty wrote:
Levent, sorry for hijacking your otherwise intelligent topic.
Rusty

I, for one, come to the forum for the banter and interesting off-tops, as much as for the engine stuff.
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Post  Levent Suberk on Mon Jan 20, 2020 6:10 am

Remembered Readers Digest Word Power:

Cox Fuel Tank Tip Reader10

Very Happy

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Post  OhBee on Thu Feb 13, 2020 3:35 pm

Persnickety and cantankerous have been in daily use in this family for gererations! You kids got a lot of learnin to do!
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Post  Marleysky on Thu Feb 13, 2020 4:56 pm

OhBee wrote:Persnickety and cantankerous have been in daily use in this family for gererations! You kids got a lot of learnin to do!

Well said you ole whippersnaper....

Cox Fuel Tank Tip F35a6410
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Post  getback on Fri Feb 14, 2020 6:03 am

  Very Happy        Old Bugger      Computer Issues RC Plane  https://rovrocks.iheart.com/content/2020-02-13-danas-babe-of-the-day-barbara-palvin/   Huh... Wink
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Post  63expert on Fri Feb 14, 2020 7:08 am

The float bowl on a two-stroke MX/Off-Road bike is vented in a similar fashion.
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