autogyro's Transmission Concept

[xxChrisxx]

Stuff and pictures

(Edited out)

If auto had come out and said that to begin with there would have been none of this bashing of him. He's could have just easily have said 'i really don't konw what the efficiency figures are' or 'I don't want to tell you' and that would have been fair enough. Honesty is the best policy. It's the deflective nature of his posts that makes me skeptical. Like any good skeptic when presented with something to tangibily look at and analyse i'm happy.

You are a very smart person for figuring this out Minaccio, even if it's not the system auto had in mind its still v clever. This is really sad, but that's made my day as I can start analysing how it works.



Back to questions to auto?

Also wasnt one the the gears just locking the 'input' and 'output' shafts together to give a 1:1 straight through drive?

How are the gears and all that lubricated? Has that been talked about in previous posts?

[autogyro]

In direct drive top gear, all the components are locked together and rotate with the shaft giving no torque loss at all, apart from one support bearing.
In this condition of course the need is for lubrication only for that bearing.

[MinacciolMotors]

EDIT:

I'm removing all of this for my personal sake. Thanks for the input guys.

[RH1300S]

(Edited out)

[Downforce]

That's bugging me too...

[MinacciolMotors]

EDIT:

I'm removing all of this for my personal sake. Thanks for the input guys.

[Downforce]

I think it could be modified to work though...basic idea is still there...

(Edited out)

But I'v got some feeling that the gear change would be problematic in this case?

[MinacciolMotors]

I have a new drawing. It's almost the same but with a few elements added. thanks to downforce for the inspiration. pics will be up in like 3-6 hours.

[Giblet]

Chris, why do you bother quoting people posts and changing the text to "stuff"?

You did it to my post once while we were having a little pow wow.

If you are not going to quote the actual text or a snippet, why quote?
It makes it look like you are disregarding peoples actual content and marginalizing their posts, even if your text after says something completely different.

I just figure quote, means "quote", otherwise it would be a "sic." button

[xxChrisxx]

stuff

oops...

To be honest I do it for convenience, I only do it if mine is the next post and I don't want to comment on a specific part, just a general responce to all of it and I only tend to do it if the quote would be a sizeable length. It lets people know who i'm responding to without creating a pyramid post. It just saves people esentially scrolling past the same post twice.

I started doing a few months ago, as people constantly asked I was resonding to them and fell into the habit. If it irritates folks i'll stop.

[MinacciolMotors]

EDIT:

I'm removing all of this for my personal sake. Thanks for the input guys.

[mike]

Edited out

im glad people actually looked at my post for once......
that i idea i already have for along time, the only problem is the shifting, you see if u lock or drive a certain gearset, you are bound to lose some speed in the output and hence it will not be a "seemless shift" even though torque continuous...

just yesterday i have came up with a "new" idea
(Edited out)

[xxChrisxx]

I've been thinking about this, and for interests of reliability it needs a clutch.

Having something rigidly connected to the crankshaft/flywheel will alater its natrual frequency and its dynamic response, obviously you'd need a cranksahft designed with this arrangement specifically in mind (but thats no problem).

It will also mean probably trashing the gearbox if there is an major engine failure. Where as a clutch would slip with a large and sudden inertia change due to a drop in rpm, this shock loading would go straight into the gearbox and input shaft.


Atm i'm just pulling this out of my backside, until I can get a model knocked up I wont be able to test it. But I can forsee something like that to be a big potential problem.

Thoughts?

[MinacciolMotors]

EDIT:

I'm removing all of this for my personal sake. Thanks for the input guys.

[xxChrisxx]

Edited out

What I mean by rigidly connected is the the input shaft to the gearbox is effectively bolted on to the crankhaft with no flexibility (it doesnt have to be 1 peice of metal). Vibrations that the clutch would otherwise abosorb would be diretly transmitted.

What I mean is, imagine you are holding a ruler rigidly in your hand you vibrate your hand just a little bit and the wave sort of propgates until the end of the ruler is wiggling round. A rigidly connected shaft would do the same thing. This has implications of increasing bearing load.

I suppose a way round this would be to fit some sort of damper on the shaft, but where and what it would look like I dunno.