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Laser 180 Petrol

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Jon - Laser Engines10/10/2014 08:56:11
5422 forum posts
263 photos

The Old Warden fly in a few weeks back was the first public outing for the Laser 180 petrol prototype and it seemed to generate considerable interest on the flight line.

The engine looked very much like a prototype but its running qualities scored big thumbs up from all round being very smooth and consistent. Noise was also well under control.

I will get a picture up after I have done trawling through my memory card, but in the meantime who wants one?

Frank Skilbeck10/10/2014 09:10:49
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4684 forum posts
101 photos

thumbs up Yes please.

They must have had a rethink, about a year ago I needed a new idle needle for my old laser 75 so called them up, I had a chat with them about petrols then and they advised that they didn't have any plans to offer a petrol version as they felt the glow versions ran better than any conversions they had seen.

Jon - Laser Engines10/10/2014 09:43:01
5422 forum posts
263 photos

A lot of development work can be done in a year

Bob Cotsford10/10/2014 11:55:41
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8390 forum posts
463 photos

how about petrol conversion kits Jon? I could be tempted to convert my 160 if it didn't double the cost of it.

Jon - Laser Engines10/10/2014 12:20:23
5422 forum posts
263 photos

I am not sure about conversion kits at the moment or even any development on the twins. If I am honest I doubt conversions would be offered due to the cost (most likely) being prohibitive with all the new parts required.

Bob Cotsford10/10/2014 12:26:22
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8390 forum posts
463 photos

exactly as I expected unfortunately. I'll await the petrol details, eg does it have rollers bearing big end, oil %, carb type etc.

Jon - Laser Engines10/10/2014 12:42:08
5422 forum posts
263 photos

All the details I have so far are:

29cc capacity

Bronze bush big end

40:1 fuel mix

prototype running on walbro/tillotson carb but more development is to come as its not suitable for a model.

Fuel consumption approx. 12cc/minute when flying normally with 17x8 prop.

Props in the 17-22inch range

I have no details of running time (hours) but the engine has been run like this for over a year of testing without any mechanical distress.

Bob Cotsford10/10/2014 13:11:38
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8390 forum posts
463 photos

I'm sure 4 stroke petrols will be a developing market as 2 strokes are such a pain when it comes to noise levels, much as 4 strokes are often the preferred engine type for methanol fuels now.

Former Member10/10/2014 13:49:16

[This posting has been removed]

David Davis10/10/2014 14:03:51
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3685 forum posts
688 photos

I'll be interested too. smiley

Phil 910/10/2014 15:15:24
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4287 forum posts
251 photos
Posted by Bob Cotsford on 10/10/2014 13:11:38:

I'm sure 4 stroke petrols will be a developing market as 2 strokes are such a pain when it comes to noise levels, much as 4 strokes are often the preferred engine type for methanol fuels now.

I have a saito fg 21 and it definatly produces less noise than the saito 125 it replaced

Former Member11/10/2014 08:49:14

[This posting has been removed]

cymaz11/10/2014 09:01:55
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9196 forum posts
1186 photos

I have seen plenty of examples of four stroke glows converted to petrol. This could be a good solution if

  1. You dont have a ready supply of glow fuel to purchase near you
  2. You have other issues with noise at the club.

The NGH 38 petrol four stroke looks a good idea. Though not Laser pedigree.

 

CH ignitions

Edited By cymaz on 11/10/2014 09:06:50

Former Member11/10/2014 15:43:14

[This posting has been removed]

Tomtom3911/10/2014 16:38:47
691 forum posts
1 photos

Hello Jon,

As lifelong convert of laser engines . I'd be very interested in a 180 petrol version. Ive been using the Saito FG 36 and FG 40 for a couple of my models

Former Member11/10/2014 18:57:24
3577 forum posts

[This posting has been removed]

Former Member11/10/2014 19:14:33

[This posting has been removed]

Jon - Laser Engines11/10/2014 19:23:45
5422 forum posts
263 photos

Just for your enjoyment I have a small video of the engine ground running. I was testing the new ASPEN 50:1 alkylate petrol. It has many advantages over standard pump petrol including not rotting carb gaskets and fuel pipes, cleaner exhaust and most of all no smell. I did loose a small amount of top end rpm but nothing major.

**LINK**

Bucksboy12/10/2014 07:41:16
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575 forum posts
109 photos

Sorry, I've not heard about the Aspen petrol before. Where would I buy it? Do I have to do anything to my Saito petrol if I use it? Is it more expensive?

Reno Racer12/10/2014 08:21:40
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1138 forum posts
168 photos

I'm very interested. I need a petrol of about 30cc for my Spitfire and would prefer a 4 stroke. The NGH 38 is too long and I'm not convinced, the Saito's are just too expensive. A competitively priced Laser, IMHO, would capture the market.

Jon, when do you see it been ready for sale?

regards

Chris

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