Extra 300L by VMAR Manufacturing
30 Mar 03 - Model scrapped.
|Wingspan||60 in.||1.65 m|
|Wing Area||519 sq. in.||28.8 dm²|
|Flying Weight||6 lb. 13½ oz.||3.11 kg|
|Wing Loading||30.4 oz / sq. ft||92.7 g/dm²|
|Wing Cube Loading||16 - Racer - way too high!!!|
|Motor||MDS 48 Pro with OS 40/46 muffler (3db quieter than MDS muffler)|
|Propeller||APC 11" x 7"|
|Receiver||Futaba FP-R105M - modified to 7ch - 35MHz|
|Receiver Battery||4 cell 1200mAh NiCd|
|Servos||Ailerons - 2 x Hitec HS-81|
|Elevator - Hitec HS-300BB|
|Rudder - Hitec HS-300|
|Throttle - Futaba FP-S128|
|Flight performance||One word - ABYSMAL - The model would fly OK under power but fly well after the motor quit. It would also tip stall without warning, which is a sure sign of bad design and/or construction.|
30 Mar 03 - I decided that I really didn't like this model and wouldn't be prepared to sell it to anyone else, so I scrapped it this afternoon. This is without doubt the worst aircraft I have ever had and makes it very unlikely I'll buy a Vmar product again.
18 Jul 00 - I managed to fit in the 1st flight today. I was having a number of problems with the motor and several short flights were made. I had to reduce the elevator throw due to the tailplane stalling at full deflections. It also tip stalled at low speed or when pulling too much G. I will be trying alternative propellers starting with an 11" x 6".
10 Jul 00 - I built the model today (from start to finish). I would have finished by lunch-time if not for the several snags I encountered. The was more glue on the hinge joint and pins than holding them in the surface, and this took some time to remove without damaging the model. A couple of screws were missing, which took a while to find in my storage system. The fuel tank was supplied with one pipe too short and no silicon tubing to attach the clunk weight. The instructions are abysmal and make absolutely no mention of fitting the cowl. The instructions quote a weight of 4¾ to 5¾ lbs., but my airframe must have weighed more than the lower figure before fitting anything. Despite these failings, it is quite a nice looking model, we'll see how it flies soon.
4 Jul 00 - After the Extra Slim crashed, I was looking for another model to complete by BMFA 'B' certificate with. At the Woodspring Wings show last weekend I decided that I'd like something scale-like, but ARTF as I don't want to spend ages building this model at present (to many other electric projects). I decided on the 60" Extra 300L made by VMAR Manufacturing as it looked quite a good kit & had a nice appearance.
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