model Aeroplane Notes

Auckland Star, Volume LXIV, Issue 83, 8 April 1933, Page 3 (Supplement)

model Aeroplane Notes

So many requests have come to mo for the plana of a good model of a soaring glider that, although a somewhat similar machine was published in these notes about a year ago, I feel sure the plans herewith will prove very acceptable to my readers. This is a 'plane with which you can have lots of fun. It will loop, recover and glide olf in a most realistic ■ fashion. You boys that are skilled in model aeronautics can make one up in about an hour. Anyone should be able to make it in very little more time than this, as it is so amazingly simple. Here are a few tips on the construction. Lay the piece of Jin balsa sheet under this plan and prick off the shape with a needle. Cut it out to shape and smooth up 'with very fine glass paper, being careful to keep the places where the wing and elevator are attached later, quite square. The balance of the edges can be rounded off. Cut the slot for the lead weight. Shape up your elevator' and rudder by the same manner. These are brought practically to knife edges 011 the leading and trailing edges. Cement them into pla-ce, using modelmakers' pins to hold them until your balsa cement is dry. Then withdraw the pins. The Wing. This is made as follows: Lay the piece of 12 by 15-16 th sheet balsa down on a flat board, after having cut the ends round, as shown, and using fine plass paper, smooth up the entire wing, rounding the front or leading edge and bringing the trailing edge to a knife

! • • edge. Now crease the centre of the wing with the back of a table knife and crack it upwards slightly, so that the tips of the wing are Jin higher than the centre. This gives the required i dihedral angle. Now smear cement on both sides of the crack and allow to dry. This will assure a permanent dihedral angle. Cement the wing on to the fuselage. Note: Neither the wing nor the elevator have any angle of incidence. They lie quite flat. Balancing. Pueh a small, picce of lead into the slot you have made. If the soarer will not rise a little when thrown smartly, j

the weight is too Lcavv, so cut some off and try again. When you get the motfel so that it will go up and do a complete loop when thrown as as you can, it is properly weighted and the lead may be cemented into place permanently. I hare prepared a kitset containing balsa sufficient for two of these gliders with the requisite cenfent and weight. If you want this kiteet, send'a postal note for one shilling to Tropellcr, c/o the "Auckland Star."

CLUB NOTES.

! The club instructor has many flight's : oi 2£ minutes, and keenness is the order of the day. Feilding.—Hobday's 18-minute flight ha« won the admiration from all over New Zealand. Boye want to know what the machine was like, can we get the plans for it, and questions as to the weather conditions are numerous. I i will ask Mr. Hobday for these particulars and publish them later. Letters from Invercargill, Christchurch, Oamaru, Westport and Nelson (show that the sport is progressing favourably, and a determined attempt on i New Zealand records is being made in | these quarters.