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Forum: Tech Log

7th Feb 2011, 08:06

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

Cartridge starters get the engine turning, but...

Cartridge starters get the engine turning, but don't keep it turning. Starting technique does that.

The rope trick might also be included, along with hand propping as methods of turning the...

Forum: Tech Log

2nd Feb 2011, 22:31

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

Radial engines have been used in cars,...

Radial engines have been used in cars, helicopters and tanks, as well as other applications. Even on motorcycles, albeit for novelty. I've never flown or driven or worked on any of those...

Forum: Tech Log

31st Jan 2011, 06:55

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

Not if you know what you're doing. A...

Not if you know what you're doing. A horizontally opposed continental or lycoming runs very well lean of peak.

They do, just like any radial. Various run-arounds have been devised address...

Forum: Tech Log

30th Jan 2011, 15:04

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

That's where knowing your aircraft becomes...

That's where knowing your aircraft becomes important. In some aircraft, use of the starter motor is ill advised, while in others, it protects the engine. Where the starter motor is used to pull the...

Forum: Tech Log

28th Jan 2011, 06:52

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

Oil dilution doesn't "reduce starting torque,"...

Oil dilution doesn't "reduce starting torque," but reduces oil viscosity by thinning with avgas. This allows for easier oil flow in the absence of preheating, during the initial start. Most...

Forum: Tech Log

27th Jan 2011, 09:59

Replies: 51

Why are Radial Engines so Hard to Start.

Views: 91,582

Posted By SNS3Guppy

I've operated mostly R985's, R1340's, R2600's,...

I've operated mostly R985's, R1340's, R2600's, R3350's, and R4360's. Smoking on start is due to oil, primarily in the lower cylinders, but also due to excessively rich mixtures and a lot of unburned...

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