The most ordinary conditions for observing sailing birds are then the wind and sea are both aft.
Lawrence HargraveIt becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up.
Lawrence HargraveAnd from a poise at this station the plane may swoop down, at great disadvantage if close to the back of the wave, at various slopes and directions till it cuts into the air that is being raised by the face of the following wave, which again enables it to resume its velocity.
Lawrence HargraveMy objective is and has been for years to make the lightest and most compact flying machine that would carry me at 25 or 30 miles per hour for 10 minutes or a quarter of an hour. Current events show this is not at all an ambitious project. Want of an elementary knowledge of oil machines baulks me and causes much misdirected effort. I doubt my ability to acquire that knowledge, and feel like a fireman trying to hew out a donkey pump.
Lawrence Hargrave