Model Boat Mayhem

Please login or register.

Login with username, password and session length.
Pages: [1]   Go Down

Author Topic: I C engines  (Read 3948 times)

durhambargeman

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 49
I C engines
« on: January 30, 2011, 05:31:27 pm »
 Does any one still use IC engines in model boats, or is there some environmental restrictions on their use?
Logged

gwa84

  • Guest
Re: I C engines
« Reply #1 on: January 30, 2011, 05:49:55 pm »
i use ic there are restrictions governing noise and location of where they can be used but this is dawn to local laws the same goase for other ic remote controlled craft  :-))
Logged

Circlip

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 4,614
  • Location: North of Watford, South of Hadrians wall
Re: I C engines
« Reply #2 on: January 30, 2011, 05:52:19 pm »
There are those that state "Propper" engines make too much noise, This comes from a generation that has nullified its auditory senses with Walkmen and MP3 players. The same people SHOUT AT EACH OTHER IN PUBS cos they can't hear above the cocophony that's called background music. {-)

  Regards  Ian.
Logged
You might not like what I say, but that doesn't mean I'm wrong.
 
What I said is not what you  think you heard.

john s 2

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,172
  • Location: Southend on Sea Essex
Re: I C engines
« Reply #3 on: January 30, 2011, 06:03:17 pm »
Before purchasing an ic model. May i suggest that you check that there is a suitable lake that you will be able to use it on.As already
mentioned Noise Speed and water pollution from oil used in engine. Does make finding a site harder. There are biodegradeable oils
now. But not all farmers are convinced. More and more farmers are making money by hiring their ponds lakes etc for fishing. Fast
electric may provide the answer,Not the same although. John. 
Logged

Dekan

  • Guest
Re: I C engines
« Reply #4 on: January 30, 2011, 10:42:09 pm »
Rule # 1 No model shall make more noise than a chain saw,strimmer or mower :-))
Logged

phillnjack

  • Guest
Re: I C engines
« Reply #5 on: February 01, 2011, 12:28:05 pm »
I too run ic engines, and yes they are noisey.
I run 10cc and 15cc so the noise is up there and sounds great to be honest.

Many people dont like to hear the screaming engines of ic power.

But when they hear a noiser high revving brushless motor, they dont mind that at all !!!

Nearly all the very high revving electric race boats can infact be seen on the noise meter to be making
more noise than ic engines.

It dont matter what people think of us ic engine boaters, we do like our boats and we will keep running them.
We will allways find somewhere to use them.
gravel pits, canals,rivers and the sea.

so many miserable old gits who just like to poke their noses in and spoil it fior everyone, they are the people who complain.

If it wasnt for ic boaters most of the lakes in the uk would not be in use today, they would of probably been built on.
The same goes for full size boats, look whats happened to boat building industry in laike district due to miserable people who
have no idea what its like to have a bit of fun.
By making stupid speed limits that are broken all the time by sail boats, the speed boat crowd have suffered.
Ask all boat industry in the area, who was it that generated all the jobs and who generated most money to keep the
lake district such a nice place.

My advice is find a nice old gravel pit and run ya boats
dont let anyone with sail or electric anywhere near it.
sink them if they start comming as they will try and stop you using it once they get their heels in. <*<



phill
Logged

Martin (Admin)

  • Administrator
  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 23,864
  • Location: Peterborough, UK
    • Model Boat Mayhem
Re: I C engines
« Reply #6 on: February 01, 2011, 02:17:56 pm »

 Historically, many IC modellers didn't care that their boats were noisy and particularly that very high pitched noise that travelled a long way. When I ran my first IC boat, that was a bit noisy, I was told off in no uncertain way! I then fitted an additional (2nd) silencer and the boat only purred like a noisy cat after that, removing the high pitch harmonics entirely.

Another trick it to fit foam (not the cushion type) into the voids of the boat to stop the whole thing acting like a resonance box!

But as said, check with the local boaters first, you don't want them thrown off their own lake!


    IC boats are Great!   Full power all day as long as the fuel... or your nerves last!   :-))
.
Logged
"This is my firm opinion, but what do I know?!" -  Visit the Mayhem FaceBook Groups!  &  Giant Models

Nige52

  • Guest
Re: I C engines
« Reply #7 on: February 01, 2011, 02:23:17 pm »
Quote from: Martin - admin. on February 01, 2011, 02:17:56 pm


 IC boats are Great!   Full power all day as long as the fuel... or your nerves last!   :-))
.

Until they cut out in the middle of a 1 mile long lake.....with steep sides running the full length.......ask me how I know.... {:-{ {-)
Logged

Circlip

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 4,614
  • Location: North of Watford, South of Hadrians wall
Re: I C engines
« Reply #8 on: February 01, 2011, 02:28:42 pm »
Trouble is, most of us old "Gits" that were sailing long before you escaped family planning Phillinjack, had no other reliable power plants than Petrol or Diesel engines and it was the attitude you are suggesting that got many boating sites closed to ALL  >>:-(

 And hopefully now, you're making a nuisance of yourself on a legal boat frequency.

  Regards  Ian
Logged
You might not like what I say, but that doesn't mean I'm wrong.
 
What I said is not what you  think you heard.

john s 2

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,172
  • Location: Southend on Sea Essex
Re: I C engines
« Reply #9 on: February 01, 2011, 03:35:58 pm »
Regretfully its the frequency of the i/c engine that irratates people. If only as Martin sayes proper silencing is fitted then all can be ok.
Times change,  things develop. Modern engines of all types are far more powerful than of the past. When i was 14 .only
one boat on my lake had a big  engine . The rest 2.5cc or so. Now 25cc seems the norm so noise levels can and are higher. if only we
all used common sense.But there are always a few using fast models ic or electric in the wrong place without thought for others.
Smaller models can be swamped by wash alone. Noise, pollution, speed,is why i/c boats are having to be banned. John.
Logged

durhambargeman

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 49
Re: I C engines
« Reply #10 on: February 01, 2011, 04:42:32 pm »
Thanks to everyone who gave advice.I have heard IC engines in model planes of course, and they do sound noisy, especially two stroke, but I would have thought that being more enclosed than in a model plane would make them less so. I guess that plenty of sound insulation is the answer
Logged

john s 2

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,172
  • Location: Southend on Sea Essex
Re: I C engines
« Reply #11 on: February 01, 2011, 04:50:23 pm »
Rarely do model planes like real ones have silencing. It reduces power, also more weight. John. 
Logged

Circlip

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 4,614
  • Location: North of Watford, South of Hadrians wall
Re: I C engines
« Reply #12 on: February 01, 2011, 05:03:41 pm »
Think you'll find that all competition flying IC engined models have to have a silencer fitted and the aerobatic types have tuned pipes which also cuts the noise.

  One future problem that's going to raise its ugly head is the noise generated by the new generation of electric motors, cos they make as much racket as the chainsaw crowd.

  Regards  Ian
Logged
You might not like what I say, but that doesn't mean I'm wrong.
 
What I said is not what you  think you heard.

Martin (Admin)

  • Administrator
  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 23,864
  • Location: Peterborough, UK
    • Model Boat Mayhem
Re: I C engines
« Reply #13 on: February 01, 2011, 05:38:52 pm »
Quote from: durhambargeman on February 01, 2011, 04:42:32 pm
Thanks to everyone who gave advice.I have heard IC engines in model planes of course, and they do sound noisy, especially two stroke, but I would have thought that being more enclosed than in a model plane would make them less so. I guess that plenty of sound insulation is the answer

Most 2 stroke IC planes have external bolt-on side "silencers" which are pretty ineffective, after market 2nd silencers are available but rarely used... mainly because they usually fall off after a couple of flights!  >:-o

 Model planes flying sites are usually far away from most residential neighbourhoods unlike model boating lake in the town park!

 Most tuned pipes I've heard exagerate the high pitched frequency of the engine although I have heard some good 'muffled' tuned pipes, those usually have a square end as opposed to the normal "double cone" pipes.
Logged
"This is my firm opinion, but what do I know?!" -  Visit the Mayhem FaceBook Groups!  &  Giant Models

Chuffy

  • Guest
Re: I C engines
« Reply #14 on: February 01, 2011, 08:13:42 pm »
I used to fly model helicopters with OS 4 strokes in, very quiet, could hardly hear them a few feet away and of course slow revving though I don't know if you can get them water-cooled for marine use.

Paul.
Logged

brianB6

  • Guest
Re: I C engines
« Reply #15 on: February 01, 2011, 09:28:45 pm »
What happened to all the information about silencing that was around in the 1970's - 80's?
We had to use full silencers, foam and enclose the engine compartment to get down to 75db? which is pretty low.
Of course there are always the old ladies that complain that the poor wee duckies might get hit.  ;D
Personally I always found that it was the swans who were the problem when they chased the boats.
Logged

chingdevil

  • Guest
Re: I C engines
« Reply #16 on: February 01, 2011, 11:25:33 pm »
MODERATED

This thread started out talking about IC engines but has now gone off track, with members posting aggressive threats against others. For that reason this thread is now locked.

Mayhem is a family forum members posting aggressivly against other members will be banned!


Brian
Logged
Pages: [1]   Go Up
« previous next »
 

Page created in 0.112 seconds with 22 queries.