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Search: Posts Made By: Motorboy
Showing results 1 to 25 of 500
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Forum: Everything Diesel
08-12-2022, 11:27 PM
Replies: 3
Views: 1,141
Posted By Motorboy

Use Viton O-ring as replacement if broken o-ring...

Use Viton O-ring as replacement if broken o-ring in contra piston. Viton O-ring withstands high temperatures and has very good chemical resistance against e.g. mineral and synthetic oils, HFD oils,...
Forum: Everything Diesel
08-12-2022, 11:12 PM
Replies: 8
Views: 1,936
Posted By Motorboy

Running-in the model diesel engine in 1 hour with...

Running-in the model diesel engine in 1 hour with rich fuel mix in 10 000 rpm and right propeller size is sufficient until the engine is run-in. "4-stroke" break-in is not necessary, and it is enough...
Forum: Scratch Building, Aircraft Design, 3D/CAD
06-20-2018, 12:59 PM
Replies: 14
Views: 3,226
Posted By Motorboy

Hi, i has allready used the spruce stick in the...

Hi, i has allready used the spruce stick in the stabilizer and the fuselage with fin/rudder and stabilizer/elevator is ready. The last work is the main wing. :o
Forum: Scratch Building, Aircraft Design, 3D/CAD
05-27-2018, 01:33 AM
Replies: 14
Views: 3,226
Posted By Motorboy

RBACONS,.. thanks a lot! :)

RBACONS,.. thanks a lot! :)
Forum: Scratch Building, Aircraft Design, 3D/CAD
05-26-2018, 10:57 PM
Replies: 14
Views: 3,226
Posted By Motorboy

Which wood can i replace with basswood?

Hi folks!

I am building the plane "Slow Poke 40" from drawings. Then i looked on the plan of horizontal stabilizer where the wood strip is made of basswood. The problem is the basswood is not...
Forum: Everything Diesel
12-11-2017, 11:52 AM
Replies: 64
Views: 22,445
Posted By Motorboy

No, the timing and size of port is difference...

No, the timing and size of port is difference between OS LA 65 and PAW 60 TBR, also OS LA 65 has better timing and the larger ports to run at higher revolution.
Forum: Everything Diesel
12-10-2017, 01:20 PM
Replies: 19
Views: 2,650
Posted By Motorboy

The medical castor oil will produce more black...

The medical castor oil will produce more black exhaust than castor oil. But nothing to be worried when the engine is running without problems or nothing to be hurt by fuel since the engine is in fact...
Forum: Everything Diesel
12-10-2017, 01:11 PM
Replies: 14
Views: 4,419
Posted By Motorboy

It will works well when you are free up the...

It will works well when you are free up the engine from old dried castor oil. You can use heat gun to free up the engine.
Forum: Everything Diesel
12-10-2017, 01:08 PM
Replies: 23
Views: 18,088
Posted By Motorboy

Hi, long, long time i was here in RCU. I learned...

Hi, long, long time i was here in RCU. I learned out the WD-40 has Dimethyl Ether <10% hence it works well as ignitor in the dieselfuel. :)
See this Material Safety Data Sheet: 2247411
Forum: Everything Diesel
08-05-2015, 12:03 AM
Replies: 14
Views: 4,419
Posted By Motorboy

Soak the engine overnight in model diesel fuel,...

Soak the engine overnight in model diesel fuel, this will soften the hardened castor oil inside it. :)
Forum: Everything Diesel
03-17-2014, 09:44 AM
Replies: 12
Views: 4,272
Posted By Motorboy

Ron Chernich

Ron Chernich passed away at 1:30 on Saturday morning.

Ron will be greatly missed by so many of us: his knowledge of model engine making that he freely shared with us through his monthly...
Forum: Glow Engines
09-02-2011, 04:20 AM
Replies: 19
Views: 1,552
Posted By Motorboy

RE: 4C crank case drain

Not correct as a EGR function (Exhaust into the intake manifold to reduce combustion temperature hence nitrogen oxide (NOx) emissions reduction). The returned unburned fuel gas/oil fog who is entered...
Forum: Glow Engines
08-31-2011, 12:21 PM
Replies: 17
Views: 1,561
Posted By Motorboy

RE: What enigne is this?

See the pic of the Leo: http://www.ebay.com/itm/MEGATECH-61-LEO-R-C-AIRCRAFT-ENGINE-/250839177441
Forum: Glow Engines
08-31-2011, 06:32 AM
Replies: 17
Views: 1,561
Posted By Motorboy

RE: What enigne is this?

I has Leo .21 marine engine. How i know this is a Leo engine: The front house of crankcase has the form who is unlike other engines of other brands.. and there will be a plate with blue letters "Leo"...
Forum: Glow Engines
08-30-2011, 11:28 PM
Replies: 17
Views: 1,561
Posted By Motorboy

RE: What enigne is this?

I can see it is a Leo .61 engine.
Forum: Glow Engines
08-27-2011, 09:53 AM
Replies: 11
Views: 1,415
Posted By Motorboy

RE: O.S. 45F Ringed?

Not enough material in piston to make ring groove. Better to buy a liner/piston set for ringed FSR engine or a used engine ringed 45 FSR in good condition to example in EEEBBAAYYY.
Forum: Glow Engines
08-26-2011, 10:20 PM
Replies: 11
Views: 1,415
Posted By Motorboy

RE: O.S. 45F Ringed?

This is no ring in the engine, it is a oil groove into the piston.
Forum: Glow Engines
08-19-2011, 09:40 PM
Replies: 26
Views: 4,443
Posted By Motorboy

RE: Too much prop stopping ENYA 60X ?

Maybe unbalanced propeller or resonance by airboat who make the fuel foaming..
Forum: Glow Engines
08-19-2011, 09:38 PM
Replies: 19
Views: 1,454
Posted By Motorboy

RE: Too much Clearance?

This is normal. When the engine is running, there is no sloppery bearing in whole time due pressure by compression/combustion in two stroke engine.
Forum: Everything Diesel
08-17-2011, 03:01 PM
Replies: 13
Views: 1,904
Posted By Motorboy

RE: Clan .24cc update now running.

Be carefully to make the transfer port higher with a dremel + small diameter grinding stone and a wood stick or aluminium rod inside the cylinder to make a right height of the transfer port. When the...
Forum: Everything Diesel
08-17-2011, 02:46 PM
Replies: 13
Views: 1,904
Posted By Motorboy

RE: Clan .24cc update now running.

Some Clan engines had production fault, the transfer port can not open due the port was closed by the piston in whole time without "pop" sound when flicking the propeller.
Forum: Everything Diesel
08-14-2011, 10:06 PM
Replies: 16
Views: 1,584
Posted By Motorboy

RE: Why is it so?

The diesel fuel is more "fatty" than glow plug engine fuel due the kerosene is not "dry" as methanol. Some time we can replace kerosene with autodiesel in case the kerosene is not available there we...
Forum: Glow Engines
08-12-2011, 10:08 PM
Replies: 89
Views: 22,477
Posted By Motorboy

RE: Webra T4-60 : Man, I hate a dirty engine!

I has Webra T-4 .87, there is not drain nipple in this area. It has been always oil out of rubber sealed bearing caused by crankcase pressure and the timing belt is oiled. (My engine has crankcase as...
Forum: Everything Diesel
08-12-2011, 09:58 PM
Replies: 1
Views: 589
Posted By Motorboy

RE: Newbie Instructions please

Here is the instruction: http://www.eifflaender.com/instruct.htm ;)
Forum: Glow Engines
08-10-2011, 06:12 AM
Replies: 8
Views: 1,042
Posted By Motorboy

RE: Crashed enya 90 4C

Important: The propeller is not tilts or make vibration. 0,005 inch is small enough if the propeller is not tilts....
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