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nicohaas (1 points) 11/20/2009
Why don't hk sell the .40? We need it for (slow)q500
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nicohaas (1 points) 11/20/2009
Does anybody know howmany revs this engine (.21, 3,5 cc) makes with a apc 7*6?
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blueyee (12 points) 8/11/2009
what size of ASP engine that i need to run a trainer plane with 1600mm wingspan and 2300gram weight?
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ergocentric (98 points);
.46 cubic inches would be good (.52 seems a bit big)
for a trainer I would recommend a large flat prop to keep the max speed down, maybe 12x4 inches
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blueyee (12 points);
thanks for the info man!! i am considering between ASP .52 and OS .46AX since they both have similar output power.
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Reply: |
chapier61 (27 points);
Sorry, ergocentric, I have a trainer 35 dm2 and 2,450 kgs which fly very well with an OS .20 FP (yes, bronze bearing and point twenty !) and a 9 x4 Graupner prop. If the OS can do it an ASP with twin ball bearing and a 2nd generation carburator can do it too much better: don't forget we speak of trainer that cannot be over motorized !
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Reply: |
Sergey (0 points);
It will be good .40 .46 .52 for the trainer. Prop 11*7 11*6. Other combinations is not so good.
My first trainer flyes with .52 and 11*7 prop very good and not over powered.
You can try some base aerobatics with this combination. You will make you own deision when get some experience.
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Reply: |
ergocentric (98 points);
Yes, chapier61, it will fly, but will it fly inverted?
This is a good size engine for beginning aerobatics as well.
Sergey: the reason for a large diameter, low pitch prop is to slow the trainer down yet allow plenty of power to get out of bad situations.
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Neto (20 points) 8/6/2009
what's spinner can i use?
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ergocentric (98 points);
a two inch spinner would not be too large on a 1/12th scale combat warbird.
product 9150
really depends on your aircraft more than the engine.
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rsieminski (72 points) 6/7/2009
What rpm numbers are you getting with what prop? How does it compare to the new, blue headed .15?
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mwilhelm100 (0 points) 5/19/2009
Is this motor suitable for RC buggies ?
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Kapitan-Panika (31 points);
this is aircraft engine. To use in car you need to modernise it
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Reply: |
rsieminski (72 points);
You would not need to modernize it. It just wont work. The engines for cars are totally different. Car engines are designed to spin at a very high rpm, and to run on high nitro, and low oil. The porting is totally different. In comparison to a full size automobile, the RC car engine is stuck in 1st gear, and the RC airplane engine is in 2nd or 3rd. This is a great aero engine, just not good for cars. You have to buy one designed for cars.
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ishady (125 points) 4/28/2009
HELP to HC staff,
As the above inquery: will it work with regular OS glow plug A3 or A8 ?
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rcmodelreviews. (224 points);
Yes, an OS#8 would be the best choice though.
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NJGeorgee (43 points) 4/25/2009
It says ask a question or discuss hings at the bottom, why all the hostility
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Turbobeaver (1042 points) 4/25/2009
This is the A.S.P .21 engine.They also make .25 and .28 size engines as well.Check out just engines dot calm for more info.Do a search for A.S.P .21 to bring up the info for this one once your there.Don't find it listed like the rest for some reason.
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Eric1180 (736 points) 4/24/2009
What is with these people asking question in the review section, come on dumb *$$'s. It is for REVIEWS ONLY!!!
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Reply: |
Huy (5 points);
I know im not making it any better... but just to let you know. UR NOT ANY BETTER THAN THE GUY who posted the question.
....................so am i.
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JelleB (234 points) 4/24/2009
Does anyone have an equivalent power rating (in Watts) for this motor? That would allow for objective comparison with other engines.
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Reply: |
Malfamartin (335 points);
I "stole" this nice info from Turbobeaver, so please give him many points.
I think this is what you asked for JelleB!
Specifications
Type Displacement (cc) Bore (mm) Stroke (mm) Output (kw/rpm) Practical rpm Weight (g) Notes
12A 1.94 13.80 13.00 0.45/16.500 3,000-17,000 136
15A 2.45 15.50 13.00 0.50/19.500 3,000-17,000 165
21A 3.34 16.30 16.00 0.55/19.500 3,000-20,000 165
25A 4.04 17.40 17.00 0.65/18.500 2,000-18,000 256
28A 4.57 18.50 17.00 0.74/18.500 2,000-18,500 246
32A 5.22 19.00 18.40 0.86/17.500 2,000-18,000 330
36A 5.90 20.20 18.40 0.94/17.500 2,000-18,000 332
40A 6.46 20.66 19.28 1.14/16.500 2,000-17,500 412
46A 7.49 22.25 19.28 1.30/17.000 2,000-17,500 412
53A 8.49 23.68 19.28 1.46/17.500 2,000-18,000 420
61A 9.95 24.00 22.00 1.68/17.500 2,000-18,000 609
75A 12.40 26.30 22.00 1.80/17.000 2,000-17,500 614
91A 14.93 27.30 25.500 2.20/17.000 2,000-17,500 728
108A 17.22 28.50 27.00 2.40/17.000 2,000-17,500 733
120AR 19.96 30.68 27.00 2.70/9.500 2,000-9,600 940 Ringed
180AR 29.82 35.00 31.00 4.50/7.600 1,800-7,800 1528 Ringed
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Reply: |
Eric1180 (736 points);
Cool thanks man!!!
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Eric1180 (736 points) 4/23/2009
Sweet i needed one of these at a HK price
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Click here to see all comments
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VIEW ALL REVIEWS | SUBMIT REVIEW
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| these are great engines i own two 12 asp 1 21 1 40 and 1 1.20 fs they run perfectly dont be afraid they use standard glow plugs
18 people like this review.
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| I got this engine as an upgrade from an LA15. The LA weighs in at 182g/6.5oz, and this one at 225g/8oz. Rpm with the .21 after 3 tanks, with 2 nitro, 18%(50/50) oil: MAS 8x3 17.7K, MAS 9x4 14.2K, Right now, it's only about 5% better rpm over the bushed LA. At this point: idle is good, midrange is a little rich, and peak is good. It still needs more break in time, because the needle is still REAL touchy. The .15 is the real gem 19k w/MAS 8x3!!
12 people like this review.
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Wow, this is the very, very powerful, and little engine.
I use with TGY 8x7E, and TGY 9x5E prop., 10% nitro fuel, 90cc fuel tank in 800g 3D plane. Fly time 15 minutes, and the tank no empty. In my country this engine is dual price. Thanks HK!
7 people like this review.
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| Got this engine last week within 4 days after placing order, well packed. Fixed to my plane, started first go and runned in with a full tank. Next thing is to test it in flying, but I don't have any hesitation that it will perform very well, very good product, I will be looking for a 40 size soon.
3 people like this review.
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| A beautifully name engine. It works fine. Brute power, I am using it in a sports biplane. We use no nitro and we fly at 2.650 meters above sea level in Bogot with 9 x 4 propeller (Tornado Grish nylon). Its reliable, starts easily, simple to adjust, beautiful idle. Only problem: a very, very bad instruction leaflet. Seems this situation is common to most Chinese products. I thoroughly recommend it.
3 people like this review.
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| Great cost benefic!!!
3 people like this review.
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| this engine works just as good as any for half the price
2 people like this review.
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| recieved my two 21s in three days once again excellent service I haved used ASP motors for the last 5 years and have found them to be an excellent product and dont hesitate in selecting this brand in any size aircraft and is definatly good bang for your bucks well done Hobby king
2 people like this review.
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I "stole" this nice info from Turbobeaver, so please give him many points.
I think this is what you asked for JelleB!
Specifications
Type Displacement (cc) Bore (mm) Stroke (mm) Output (kw/rpm) Practical rpm Weight (g) Notes
12A 1.94 13.80 13.00 0.45/16.500 3,000-17,000 136
15A 2.45 15.50 13.00 0.50/19.500 3,000-17,000 165
21A 3.34 16.30 16.00 0.55/19.500 3,000-20,000 165
25A 4.04 17.40 17.00 0.65/18.500 2,000-18,000 256
28A 4.57 18.50 17.00 0.7
1 people like this review.
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| recieved my two 21s in three days once again excellent service I haved used ASP motors for the last 5 years and have found them to be an excellent product and dont hesitate in selecting this brand in any size aircraft and is definatly good bang for your bucks well done Hobby king
1 people like this review.
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| i have placed this 21 nitro engine on a extra 260 electric . i converted it to nitro and i am very happy !!! the engine works great and have many power !
1 people like this review.
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its excellent product. i use katana 15.
Its starts easily, , beautiful idle, simple to adjust
1 people like this review.
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| These are great engines. Why don't have the .40 and .46 size ASP moto?
1 people like this review.
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| ce moteur tourne comme une horloge apres 3 plins de rodage et de l'essence
1 people like this review.
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| Very good engine!!Works perfect!Never stops,and the quality on parts is ok.
1 people like this review.
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| Tai variklis kuris labai tinka mano 110 cm sparnu lektuvui.
1 people like this review.
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| Motor de tima qualidade mas vem sem a vela, um ponto negativo
1 people like this review.
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| Sehr guter Motor fr den Preis. Luft wie ein Uhrwerk ohne Absteller.
1 people like this review.
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| Great idle, Great price, Carb works excellent... It is little underpowered and probably it has shorter life than other similar engines. |
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great engine but ... the low rpm screw its totally crap. it unscrews by itself and engine goes off. my plane comes down. totally destroyed and carburator also broken. fixed again and works well with a little bit of glue on that screw. sounds very noisy but i like that because i fly far from houses...
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5 crowns 
1/21/2010
1/27/2010
