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Search: Posts Made By: MatheusC20XE
Showing results 1 to 25 of 99
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Forum: Glow Engines
10-29-2008, 12:08 PM
Replies: 27
Views: 4,444
Posted By MatheusC20XE

RE: OS 55AX

but need be pure alcohol, no alcohol with high density of water.. water only allow to promote corrosion and doesn´t clean nothing..

here in my country is more easy because we can buy high...
Forum: Glow Engines
10-29-2008, 10:32 AM
Replies: 27
Views: 4,444
Posted By MatheusC20XE

RE: OS 55AX

well.. i got some of my engines running very lean for a error (wrong land adjust) a never had this type of problem.. for me, have more problems there..

but, about cleaning method.. i use pure...
Forum: Glow Engines
10-29-2008, 10:25 AM
Replies: 6
Views: 962
Posted By MatheusC20XE

RE: K&B Ringed .61

mine standard, 12K rpm too..

excellent engine... very good power for a not schneurle type,..

I used mine in a Piper Clipped for .40 engine without problems of heavy nose..
Forum: Glow Engines
10-28-2008, 04:07 AM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

nice thread! :D

o love high performance engines too.. but, my culture are smaller and more efficient engines (double overhead camshafts and quad valve per cyl), but i like the old V8 OHV...
Forum: Glow Engines
10-24-2008, 08:22 PM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

hehehe! nice engine friend!

It´s look like a Fox Eagle, the same carb that i bought..

Is it .45 ABC?


very nice engine.. you are a lucky man! :D
Forum: Glow Engines
10-24-2008, 07:53 PM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

like i said..

here is my new carb.. from vintage Fox Eagle .60! a really massive carburetor (very big inlet) and different venturi system!!!

see the pictures:

...
Forum: Glow Engines
10-24-2008, 07:49 PM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

Hi Michael!

Thank you very much for the advice, friend!

But, i already bought a VERY nice carburetor!!!! see the pictures in the next post friend!



heheehhe not yet.. i tried buy...
Forum: Glow Engines
10-23-2008, 10:20 AM
Replies: 30
Views: 2,787
Posted By MatheusC20XE

RE: Cross-Flow with Tuned Pipe?

but most Pylon engines are .46, correct?

180 exhaust degree duration have different effect in .46 and in .61 engine.. when is bigger, the engine need bigger exhaust duration usually..
Forum: Glow Engines
10-23-2008, 07:41 AM
Replies: 30
Views: 2,787
Posted By MatheusC20XE

RE: Cross-Flow with Tuned Pipe?

yes.. i have a very high duration for actual setup of engine, that has a small carburettor venturi and small inlet/transfer ports duration..
But for .61 engines, i see that most with 170 to 178º...
Forum: Glow Engines
10-23-2008, 06:35 AM
Replies: 30
Views: 2,787
Posted By MatheusC20XE

RE: Cross-Flow with Tuned Pipe?

Sorry friend..
just talking with a brazilian chap..


Wel, i tried to say that baffled piston engines usually has a high fuel consumption when you increase the exhaust port duration.. and, i...
Forum: Glow Engines
10-23-2008, 05:38 AM
Replies: 30
Views: 2,787
Posted By MatheusC20XE

RE: Cross-Flow with Tuned Pipe?

opa.. mais um brasileiro por aqui.. hehehe

única coisa ruim de se aumentar a duração de abertura da janela de escape é o maior consumo de combustÃ*vel, que acaba cruzando durante a...
Forum: Glow Engines
10-22-2008, 02:31 PM
Replies: 30
Views: 2,787
Posted By MatheusC20XE

RE: Cross-Flow with Tuned Pipe?

I applied a tuned pipe in my K&B .61 baffled piston and i had gain of 1.200rpm in the same prop.

Is very important the lenght of manifold to the tuned pipe. Shorter manifold will result high...
Forum: Glow Engines
10-21-2008, 02:28 PM
Replies: 13
Views: 1,540
Posted By MatheusC20XE

RE: K&B 61 Need to know position of piston ring gap

lol.. nice pictures Dave..


It´s show the reality of brazilian dictation: "Old pot is that makes good food..."

:D
Forum: Glow Engines
10-20-2008, 08:41 AM
Replies: 39
Views: 2,498
Posted By MatheusC20XE

RE: Used Engine Advice

hehehe.. same to me!


I bought a ARF airplane two months ago, and now im selling it.. i can´t have the same pleasure in flying a ARF airplane like i fly a airplane that i built...

but,...
Forum: Glow Engines
10-20-2008, 06:23 AM
Replies: 39
Views: 2,498
Posted By MatheusC20XE

RE: Used Engine Advice

For you in America, new engines are so cheap... then, i think the used engine doesn´t pay the risk..

for us that is outside america, used engines can be a serious price advantage..
I had...
Forum: Glow Engines
10-14-2008, 03:33 PM
Replies: 24
Views: 2,092
Posted By MatheusC20XE

RE: I should have bought the AX not the LA

Just for reference, i have a K&B .61 that has ported and polished sleeve, with 1mm bored carburetor. It´s run 11x6 prop to 14.700rpm.

When is standard, this engine only shows near 12.000rpm at...
Forum: Glow Engines
10-14-2008, 03:31 PM
Replies: 24
Views: 2,092
Posted By MatheusC20XE

RE: I should have bought the AX not the LA

Well.. im not OS fan, but if you want more power, is easy.. you can do some porting and polish in your LA sleeve. If you increase the exhaust duration in about 15% (1mm to 1,5mm higher to upside) and...
Forum: Kit Building
10-13-2008, 11:33 AM
Replies: 2
Views: 488
Posted By MatheusC20XE

RE: Need some advice on my TopFlight P-51 build

the tank you can put the biggest that you can, the extra weight you can balance installing a piece of lead in the tail.

I prefer use big tanks, because these bigger engines eats fuel like...
Forum: Tachometer Readings
10-11-2008, 08:28 AM
Replies: 4
Views: 2,505
Posted By MatheusC20XE

RE: Old Thunder Tiger 15, model 7703

nice! i love vintage engines..

Do you have pictures of this?
Forum: Glow Engines
10-10-2008, 07:33 PM
Replies: 352
Views: 68,224
Posted By MatheusC20XE

RE: Bent crank ? I'll fix it for free.

really awesome work there, Dave!
Forum: Tachometer Readings
10-10-2008, 05:53 PM
Replies: 5
Views: 1,327
Posted By MatheusC20XE

RE: Fox .50 (where the Fox´s fans?)

Here you can see my moded Fox inlet (velocity stack):
http://img262.imageshack.us/my.php?image=fox50inletra8.jpg


The rest of pictures of my Fox engines is here:
...
Forum: Glow Engines
10-10-2008, 05:46 PM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

Here is the pictures of my Fox engines:


My Fox .50 with tuned inlet (i made a special velocity stack polish to increase airflow in high rpm):
...
Forum: Tachometer Readings
10-10-2008, 07:01 AM
Replies: 5
Views: 1,327
Posted By MatheusC20XE

RE: Fox .50 (where the Fox´s fans?)

thank you for the experience!

I see that compression is increasing tank by tank.. but i continuos using 10% of nitro because is a more popular fuel overhere (more cheap and easy to find). But, i...
Forum: Glow Engines
10-01-2008, 12:44 PM
Replies: 5,192
Views: 566,199
Posted By MatheusC20XE

RE: Club FOX!

Thank you friend for the info!

Really good number of carb adapters there!


Just to understand..the EZjust is the new version of Fox carburetor? Well, is not easy find the new version to...
Forum: Tachometer Readings
10-01-2008, 06:33 AM
Replies: 5
Views: 1,327
Posted By MatheusC20XE

RE: Fox .50 (where the Fox´s fans?)

Thank you for the info.

I was think the compressio ratio of this engine is low, because has less compressio than my Fox ABC .40.

I really enjoyed the miracle plug. The start is very easy...
Showing results 1 to 25 of 99
 
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