Thread: some engine questions....

I'll have a go.

Originally Posted by Blknight.aus

ok so Im bored..... I'll give answers in a couple of weeks....

think you know engines and motors....

What types of engines/motors provide better preformance at higher altitudes without having to be retuned? Oops, the ones the use on shuttles etc which carry all fuel.

What types of motors/engines provide maximum torque at 0 Rpms. Electric

Whats the maximum number of strokes that a reciprocating engine has used and remained effective? 6

does a reciprocating engine have to have a crank shaft? no

can a diesel engine have a carby, more importantly can it have it as the only source of fuel that gets to the combustion chamber? yes, yes

do you have to have valves in a reciprocating diesel engine? no

what fueled the first reciprocating engines? parrafin

running diesel can you put 2 pistons into a single cylinder? if you can how could you make it work? yes, one was a guide on extra long stroke motors.



have fun....

you have 4 right, 1 wrong, 2 half right and 1 I'll give you credit for but its not the answer I was looking for.

Originally Posted by Blknight.aus

you have 4 right, 1 wrong, 2 half right and 1 I'll give you credit for but its not the answer I was looking for.

Hmmm, actually maybe it needs more thought. The reciprocating one was probably really the waterwheel.

apart from what Slunnie wrote, I think the commer knocker motor had two pistons in one cylinder which would answer the last question as a yes

Blythe

Not really showing my age just remember a conversation about engines with my dad years ago.

2 pistons in a single cylinder -yep - commer knocker -con rods out to rockers back into crankshaft
recip engine - crankshaft - rotary, still has a bit in the middle, to hold the rods, but the cyls and crankcase are attached to the prop.

harry, nice try on the rotary engine but no, the bit in the middle is still occasionally refered to as a crank...

when a rotary is in a stationary role (as in the sherman tank) the casing is held and the crank turns....

good effort tho.

Originally Posted by Slunnie

Hmmm, actually maybe it needs more thought. The reciprocating one was probably really the waterwheel.

nope the water wheel technically falls under the turbine class of engine.

Originally Posted by Blknight.aus

ok so Im bored..... I'll give answers in a couple of weeks....

think you know engines and motors....

What types of engines/motors provide better preformance at higher altitudes without having to be retuned? RAM jet

What types of motors/engines provide maximum torque at 0 Rpms. DC electric

Whats the maximum number of strokes that a reciprocating engine has used and remained effective? fourdoes a reciprocating engine have to have a crank shaft? Yes if you want to convert reciprocating motion into circular motion otherwise no

can a diesel engine have a carby, yes model engine planes use them more importantly can it have it as the only source of fuel that gets to the combustion chamber? yes

do you have to have valves in a reciprocating diesel engine? No it could be a two stroke using reeds

what fueled the first reciprocating engines? What Slunnie said

running diesel can you put 2 pistons into a single cylinder? if you can how could you make it work? Two stroke diesel with the piston crowns pushing towards each other, cranks at either end with a connection between them. It looks like a boxer configuration sort of



have fun....

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