Grenaa #2 - Type 27 T - 45 HP hot bulb / Glühkopf & Semidiesel

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- Category: Marine Hot Bulb Engines
- Engine no.: 1621
- Manufacturer: Grenå Motorfabrik
- Year: 1964
- Construction: Vertical onecylinder twostroke engine
- Power: 45 HP
- Rev. pr. min.: 400
- Ignition: Semidiesel
- Fuel: Diesel (and most vegetable oils)
- Cooling: Seawater
- Weight: 3 ton
- Country: Denmark (Grenå)

[@Bidone1967]

Very nice engine. I love the sound of the old fishing boats.

[@skakpedersen]

Tak fordi i tager jer tid til den slags galskab. For os der har fisket og levet på havet, er dette simpelt hen skøn musik.

[@chairuser4]

i love thos old work engines,amazing,I always enjoy them at car shows.

[@V8Jagnut]

i cant tell you how good your vids are. thanks for showing them.

[@crisp2882]

what a lovely engine.

[@dmcalut]

Whoa, this is a monster. Wonderful!

[@enginebill]

It is not a hot bulb engine. It is a medium compression oil engine. A hot bulb engine uses a heated bulb to vaporize the fuel which was injected on the intake stroke. Combustion occurs when the hot air from compression enters the bulb. This engine injects the fuel at TDC into a precombustion chamber, the heat of compression with the aid of the glow plug vaporizes the fuel and ignites it. A hot bulb engine has about 60 PSI of compression, this engine probably has about 200 PSI of compression.

[@janvisser2223]

This engine cylinderhead has to be heated as well prior to starting

[@TheSpazModic]

It looks like it is built to last a lifetime.

[@robh6638]

Practically it's lasted three life time's

[@Thermionman]

Wow that is AWESOME!! Like the green color too...I have a particular interest in a 250 foot Great Lakes tanker that was built in 1926 called the Inland Tranaport /Steel Chemist that I just recently found out originally had oil engines ...and I imagine they would have been like this one here.Wow what a sound!

[@yvonclovijn5968]

M

[@V8Jagnut]

yes they are. i would like to know/see more of the fuel system if you can. thanks.

[@tommyn.j3628]

Det er den slags der bare kører og kører bare det bliver smurt og passet der ikke nogen motorer i dag der holder så længe 👍👍 man bliver helt varm om hjertet god stille rytme

[@m8die319]

What a sound!

[@captlarry-3525]

now it needs a boat !

[@klausmortensen]

Spørg i Hundested. Ellers hvert tøf, er bare guf.

[@schlusselmensch]

@Motorsamling Does this engine use a scavenge pump for crankcase oil removal or a check valve system? One fellow over there told me that some of the 2 stroke hot bulb engines (Rap?) had proper oil sumps. How was oil prevented from reaching the combustion chamber in that case? Fine video, thanks. Were you trying to get it to run backwards at thew end there?

[@janvisser2223]

No scavenge air pump on this one. Underside piston acts as the scavenge air pump

[@jasongohweemeng1]

@Motorsamling ThankS

[@Suupagringoo]

nice vessel engine

[@douro20]

Were these engines also used to make electrical power?

[@Motorsamling]

Hi V8Jagnut We will try to show that in a third video. It will show up on youtube and my website later on. Thank's for the comment. Bjarne Motorsamling . com

[@marshallman1au]

OK .... I'm confused .... Looked for the hot bulb in the head ..... But couldn't see it .... ???? Is that a compressed air start as well ..... ? BTW .... I AM IN LOVE .... :) This is a beautiful engine ...... :) Well done ..... New sub ..... Jim :)

[@skakpedersen]

They start it by compressed air. You get ONE shot from the (air)tank and then it better start. They usually do, but if not, you gotta fill the airtank manually. It should be done in less than a half an hour.

[@douro20]

That has a glow plug in the head? Personally I think an oxyfuel burner would still work better.

[@douro20]

There is only one reason these engines can be hand-started. It is because of the low compression- typically betwen 3.5:1 and 6:1.

[@janvisser2223]

This one uses starting air

[@mrspivvy]

not much hp but the torque figure is going to be HUGE

[@sqeeky100]

around 600 ftlbs

[@BenjaminEsposti]

+Bob Saget Nice, I've looked around and it's hard to find torque figures for old engines like this. I know modern engines have a better power to weight ratio, but I wonder what the equivalent modern engine would be to replace this. (Likely more HP, but less torque, to get he same amount of power ... if you need slow speed and high torque, you'd have to use some sort of reduction gearing system)

[@sqeeky100]

i came up with a number mathematically. if you know the RPM and the Horsepower, you can know the torque.

[@BenjaminEsposti]

Ohhh ... wow, gee, I feel stupid now XD I should've known that!

[@Motorsamling]

Hi V8Jagnut Thank you, I'm glad to hear that. I hope the videos can be a little bit instructive in how to handle hot bulb engines. Bjarne Motorsamling. com

[@Motorsamling]

This is coolant. @Motorsamling

[@FarmerMiller207]

how much fuel per hour at half steam??

[@natalicio871]

Que Jabiraca é essa? Parece algo do outro mundo

[@pedrorabelo556]

Natalicio José da Silva coisa dos estados unidos

[@janvisser2223]

Built with pride in Grenaa, Danmark

[@arievogelaar7664]

i dont see the blow tortch to heat the cilinder head, so i bont think this is an hotbulb/gluhkopf engine

[@douro20]

It uses hotbulb ignition but it starts with a glow plug.

[@arievogelaar7664]

okay, a glow plug on electricity, is that original? or re built, if it is original it is a semi diesel.

[@janvisser2223]

@@arievogelaar7664 It is a semi-diesel as I recall from the instructionmanual, same type as the Hundested

[@Flies2FLL]

You know what would be ultimate? I mean like....Jay Leno ultimate- Someone needs to build a motorcycle around this engine. THAT could not be beat, ever--!

[@marshallman1au]

YOU will be the ONLY one riding it ..... I can assure you! ROFL! :)

[@HAPKAH]

I thought it woul be at least 50 years older. But nice semi-diesel anyway....

[@haraldpettersen3649]

+HAPKAH It is at least 50 yers old

[@HAPKAH]

***** I meant 50 yeqars older (manufactured not in 1960s-1970s, but 50 years before that, somewhere in 1920-1930s).

[@Motorsamling]

Hello Bidone1967 So do I - it is better than a shrink. Five minutes after having started this engine one are completely relaxed. Bjarne Motorsamling . com

[@chanakyasinha8046]

Engine vibration 😃😃

[@jasongohweemeng1]

3:09 what is this?

[@1Dudelsackspieler]

cooling water

[@robh6638]

Put a Allison on it put it in the new 5500

[@charlesmercieca8175]

9

[@6699margrethe]

FM 2 cyl.

[@robh6638]

MINT