Control Lines For all you fly-by-wire fanatics!

Control line comeback

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Old 10-15-2017, 02:26 PM
  #26
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Quote:
Originally Posted by grotto2 View Post
I've never seen grass damaged by glow fuel.
Is this really true or just a myth?
Yep, the one club I was in asked everyone to use a catch can when filling the tank. Don't know if this is still in effect. I do the RC and Control Line thing. There is nothing to replace a speed plane going 150 mph +. It pulls you back, and you know the power is there. RC, well low strafing runs are cool, but not as low as control line, and pulling out of a loop and flying inverted at 5 ft. is just expected with control line.
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Old 10-15-2017, 09:40 PM
  #27
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Excuse me, aspeed, my question wasn't about club rules.
Does glow fuel damage grass or not?
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Old 10-16-2017, 03:23 AM
  #28
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Quote:
Originally Posted by grotto2 View Post
Excuse me, aspeed, my question wasn't about club rules.
Does glow fuel damage grass or not?
Yes it will damage /kill grass !
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Old 10-16-2017, 03:56 AM
  #29
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After the mention of killing grass came up here, I'll get a pic of the soccer field where I was running the engine last week.
It is an interesting question / point, to be welcome back in public parks, etc.
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Old 10-16-2017, 07:08 AM
  #30
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Quote:
Originally Posted by grotto2 View Post
Excuse me, aspeed, my question wasn't about club rules.
Does glow fuel damage grass or not?
Yes, the fuel turns the grass brown in a few days, and the exhaust oil is hot and sometimes turns it black and kills it if run for a while, and it is aimed at the ground. Guys tend to run very rich, and it is very oily, and I guess it smothers the grass. There are oil spots left on pavement too, from filling the tank, and running as well. if you run on parking lots.
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Old 10-16-2017, 08:50 AM
  #31
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Quote:
Originally Posted by aspeed View Post
Yep, the one club I was in asked everyone to use a catch can when filling the tank. Don't know if this is still in effect. I do the RC and Control Line thing. There is nothing to replace a speed plane going 150 mph +. It pulls you back, and you know the power is there. RC, well low strafing runs are cool, but not as low as control line, and pulling out of a loop and flying inverted at 5 ft. is just expected with control line.
​​​​​​Yep it does leave yellow/brown spots but not right away - it takes a while for the grass to die because the fuel needs to filter down to the grass roots. May burn leaves too but mowers usually cuts that off before it changes colors. I never thought much of it until they gave me the keys to the club tractor and said "your turn". I noticed the brown spots in the pit area but only in the real grass. The weeds like crab grass weren't affected. I started using a recovery jar after that .
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Old 10-16-2017, 03:10 PM
  #32
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Quote:
Originally Posted by grotto2 View Post
Excuse me, aspeed, my question wasn't about club rules.
Does glow fuel damage grass or not?
Most definitely kills grass and oils up pavement/concrete. When I used to fly next to soccer fields the problem was my open exhaust they did not like! Do everything you can to make things quiet...
I just switched to electric to help solve problems and add in benefits for both CL and RC.
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Old 10-30-2017, 08:30 PM
  #33
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A new thread was created regarding control line landscaping concerns, but I thought I would post "evidence" here since I said I would...
So as not to irritate the villagers, in the future I will put some cardboard down so innocent grass will not be destroyed.
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Old 10-30-2017, 08:38 PM
  #34
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In other CL news, I am working through issues of a reluctant Enya .35.
Advice/obervations from others has been along the lines that the engine may still be very young and needs to be properly broken in, and reduce castor content of fuel (now at 29%).

The engine had me working hard this past Sunday, trying to get it to give me at least one flight. It did manage to give me a flight of about 3-4 circuits, but slowly died, finally cutting out and allowing a landing/flip.

I just got 3 brand spanking new uniflow tanks from RSM, right off the production line.
For a different configuration, I also have a tongue muffler coming in from shtterman (eBay) that has a muffler pressure nipple.
Have to drill and tap the mounting lugs on the Enya .35 to try that config out.
Test runs tomorrow, Tuesday...
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Old 10-31-2017, 03:59 AM
  #35
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Quote:
Originally Posted by grotto2 View Post
Excuse me, aspeed, my question wasn't about club rules.
Does glow fuel damage grass or not?
I believe he mentioned the rule because raw fuel will damage the grass hence the club required catch cans. The exhaust will coat the grass, it won't be able to exhaust it's oxygen, water etc so basically you coat it with an oven and it burns.
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Old 11-28-2017, 06:22 AM
  #36
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Chemical BURN is given as follows ==> Nitromethane (CH3-NO2) & Alcohol (CH3OH-methanol) & Castor/Synthetic Lube Oil (polymer) & Air (diatomic N2 & diatomic O2 & others)
Plants & animals (biology) do not respond well to carbon/hydrogen/nitrogen/oxygen fuels. Hydrogen & Oxygen are especially reactive, especially in the presence of heat (like even sunshine - also, see Space Shuttle main fuel tank (H2) & oxidizer (O2) tanks) ,,, however slowly they may react. Nitrogen Oxides compounds (like R-NO2 - see nitromethane) are reactive as well - again, especially in the presence of heat. Further, when a biological system has Nitromethane/Alcohol/Lube Oil wetted onto the surface/skin, some fluid will soak-in or be absorbed ... then these biological systems will process these fluids ... which chemically are like a "poison" to their respective cellular processes .... OOOUUUCCCHH! There is no good news here.

As for exhaust gases/fluids - primarily composed of CO2 (carbon dioxide-greenhouse gas) & H2O (dihydrogen oxide-water) & N2 (diatomic nitrogen) & un-burned lube oil plus some other small amounts ... these are returned to the atmosphere. These gases mostly cool and condense into vapor in the air ... which under a body force like gravity ... slowly settle out. Simply put - 2-cycle model engines are not much for generating acid rain or smog or large amounts of greenhouse gases ... at least not until these sport engines become much more popular than they enjoy today!
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Old 12-27-2017, 09:33 AM
  #37
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I am finishing up a Top Flite Nobler that I received for Christmas in 1962. I am doing it just for the enjoyment and probably will use it for display. I still have the Johnson .35 that I was going to put on it.

Does anyone know where I can find the decals for it?
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Old 12-27-2017, 02:17 PM
  #38
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H. Dale You may have known a cl pilot by the name of Mike Donovan he has since passed away he lived near Jackson MS.. Mike is in the middle of the picture that I sent in the Attachment.. I am from El Dorado, AR our club has 2 CL contest every year 1st weekend in May and November.. Hope you can vist us someday Model Aviators of South Arkansas AMA #3185 field address 736 Industrial Rd ElDorado, AR 71730. I think you would have a bast meeting guys from dist 8 that fly control line.. The stickers may be purchased from tower hobbies or Top Flite...
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Old 12-27-2017, 07:34 PM
  #39
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Quote:
Originally Posted by H.Dale View Post
I am finishing up a Top Flite Nobler that I received for Christmas in 1962. I am doing it just for the enjoyment and probably will use it for display. I still have the Johnson .35 that I was going to put on it.

Does anyone know where I can find the decals for it?
Well the Aldrich Nobler had a U. S. Navy scheme so I would imagine that most U. S. Navy plane models would do. You could copy onto decal paper in virtually any size you want to suit your model. I would also suggest that if someone still has an unbuilt kit they might provide you with copies (can be electronically sent to you)
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Old 12-27-2017, 08:21 PM
  #40
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Quote:
Originally Posted by Spin View Post
H. Dale You may have known a cl pilot by the name of Mike Donovan he has since passed away he lived near Jackson MS.. Mike is in the middle of the picture that I sent in the Attachment.. I am from El Dorado, AR our club has 2 CL contest every year 1st weekend in May and November.. Hope you can vist us someday Model Aviators of South Arkansas AMA #3185 field address 736 Industrial Rd ElDorado, AR 71730. I think you would have a bast meeting guys from dist 8 that fly control line.. The stickers may be purchased from tower hobbies or Top Flite...
i do remember him. He was a really good CL flyer. Sounds interesting to come up and visit. I spent many hours building and flying CL when I was a kid. Combat, speed, stunt. You name it. I tried Top Flite and Tower for decals but no luck there. If I can get a copy like gmeyers suggested maybe I can work with that.
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Old 12-28-2017, 06:08 AM
  #41
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This is the decal set that comes with Brodak's Nobler kit - it's a recreation of the Aldrich original Nobler :
Looks like water-slide decals.

Nobler Decals
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Old 01-02-2018, 05:25 AM
  #42
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The Aurora Colorado club has a FANTASTIC CL/RC site just off Hwy. 93 between Boulder and Golden . Any CL fliers or wannabes in the area should check it out - RC-ers too, for that matter!
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