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Search: Posts Made By: the Gnome
Showing results 1 to 25 of 217
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Forum: Glow Engines
12-11-2012, 10:39 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Tanks for Your suggestions, of course I know that the engine has a problem, but, it could be that, especially the Monosoupape with its slots and chanels in the cylinder wall to load cylinder, the...
Forum: Glow Engines
12-09-2012, 01:04 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

The forom really is a bit quiet, so, here is a new project I have, and some questions, hopefully there are some folks who can set some lite on the problem:

Some weeks ago I ordered a Replica...
Forum: Glow Engines
08-19-2012, 01:11 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello flyrockets,

Your fuel pump setup will not work on a radial, as the pressure impulses on this engine type are too weak due to the big crankcase volume and the even suction of the multi...
Forum: Glow Engines
05-05-2012, 03:16 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Steve,

that is wrong, most of us would be glad if we can get a working pump, so that we could use bigger carbs. It is not that easy to drive the pump, Pedrry pumps use either vibration of...
Forum: Glow Engines
05-02-2012, 09:28 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Steve,

I think it is more that a Perry rump will not work on low vibration engines like flat twins and radials. On radials the carb venturi size is normally choosen that small, that
the...
Forum: Glow Engines
02-21-2012, 10:43 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello John,

the plastic rocker boxes cary the rocker arm axles, I think, the small screw through the boxes are the axles, so You only could replace them by aluminium boxes.

Jens
Forum: Glow Engines
02-19-2012, 01:20 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

SrTelemaster 150,

generally You are right when constructing or optimizing an engine to alcohol, I ment just changing the fuel on a given model engine, only modifying to spark ignition.

And...
Forum: Glow Engines
02-18-2012, 02:20 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hi John,

my first try with the 7A was a K&W Thumelisa bipe. It weight nearly 5Kg (11lb ?) and it took off the ground but could not get out off the ground effect.
So I think the 7B should fly...
Forum: Glow Engines
02-17-2012, 01:24 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello John, the 7B is definately 33ccm, the 7A is 22ccm (120 size). My 7A has power similar to a 70 four stroke, turns a 16 x 6 at 6000rpm (about 0.8hp).

I find it siutable to drive the glow...
Forum: Glow Engines
06-02-2010, 03:33 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Frets24, as the 5 cyl. Technopower is some years old, the master rod is quite difficil (the engine don't weighs much for a radial) and it has very low compression ratio (I use my 7A with lit plugs...
Forum: Glow Engines
05-09-2010, 08:34 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Mike, I'm flying a Technopower 7A (22cc) really often, first in a K&W Pfalz E III, then powering a 2 Meter Vellie Monocpoupe. Both models weigh about 3.5Kg and fly really nice. The glow driver...
Forum: Glow Engines
12-09-2009, 03:13 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Felix,

my experiance with Seidel is the very much the same, he is a friendly person, but, concerning all "not technical issues", not very interrested. I bought my ST710 (did You by a used...
Forum: Glow Engines
12-06-2009, 05:03 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Marty,

about one year ago I sold my 9C engine (for money reasons), it was a good running engine but was a bit week compared to other radials with similar displacement. It turned a 21'' x...
Forum: Glow Engines
11-04-2009, 03:14 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hey Kivisto, I think there can't be made an exact figure, on an engine that don't needs a lit glow plug while running, in most cases it is too hot. Liting the plug adds the heat produced by the...
Forum: Glow Engines
11-03-2009, 01:27 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hey Kmot and Rambro, I agree, also never had a plug failure by liting it at full rpm, the point on liting the plugs all the time is, that You can cause pinking with piston ring damage in most cases....
Forum: Glow Engines
06-25-2009, 03:02 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Ernie,

I don't know, but it is possible that the ignition box has something like a rev limiter, but I think Your problem is the same as many older RCS215 have, the little pneumatic pump,...
Forum: Glow Engines
06-11-2009, 04:44 AM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Thunderchild, an engine, or one cylinder of it, needs three elementary things to work, correct fuel / air mixture, compression and ignition. As Your cylinder has compression and ignition, only an...
Forum: Glow Engines
04-24-2009, 02:31 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain,

on (full scale) Porsche engines I often use the method to blow air into the plug hole by an air comressor (about 5 to 8 bar, You should start with 3 bar on Your Seidel, and block...
Forum: Glow Engines
04-22-2009, 01:02 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain, and yip, normally You loose warranty when opening the engine by Yourself and without permit of the manufacturer..

gnome

Holm und Rippenbruch
Forum: Glow Engines
04-21-2009, 04:48 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain,

first, the sealing of the intake manifold is by copper shims on the cylinder head and (I think) O-rings at the crankcase. If the manifold don't wants to move, just try to unscrew...
Forum: Glow Engines
04-18-2009, 04:35 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Walter,

may be the screws are fixed with loctite or some other fixing glue, then heat the screws, using a soldering iron for example, to destroy the glue. Try to unscrew while still hot.
...
Forum: Glow Engines
04-14-2009, 03:24 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain,

if the top cylinder is firing at all, I would not worry about the lower exhaust temperature. Of course the mixture distribution to the seven cylinders is everything but the same,...
Forum: Glow Engines
04-13-2009, 12:55 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain,

don't lower the oil percentage, I broke in my Seidel with 12% AEROSYNTH and 1% castor, had no problems with not firing cylinders. As You run less tan 2500rpm, I really think You...
Forum: Glow Engines
04-12-2009, 03:41 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Alain,

do Your have the OS carburettor with both main and idle needle? Does Your carb have the venturi (about 6mm diameter) in it? I ran my ST710 for about 1/2 hour at maximum 2500rpm...
Forum: Glow Engines
03-27-2009, 01:47 PM
Replies: 3,922
Views: 801,096
Posted By the Gnome

RE: Everything Radial Engines

Hello Venomous,

a small electronic equipment factory here in germany, "Müller Elektronik", build spark ignition systems for radial engines with 1/4'' spark plugs. They are quite expensive, a 5...
Showing results 1 to 25 of 217
 


 
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