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Four Stroke Aircraft Engines
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Post new topic   Reply to topic   printer-friendly view    Barton Model Flying Club Forum Index -> Non-Control Line Motors (Photographs only)

ExRAFbod
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: Kevin Blaine
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PostPosted: Thu Oct 30, 2008 2:03 am    Post subject:
 
Enya 120-4C

Bore: 31.0mm
Stroke: 26.4mm
Displ: 1.20cu in or 19.93cc
Wt: 800gms (+muffler)
Max Pwr: 1.6@11,000
Pract Spd Rng: 7000~11,000
Idle Spd: 2500~3000
Critical Spd: 12,500
Carb: Enya G Type 8.00mm
Pist & Liner: Ringed Al + Steel Liner
Prop: 16~14x6,13~11.5x7~9
Glowplug: Enya #3, #4
Wt of model: 3.5~6.5kg

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Last edited by ExRAFbod on Fri Oct 31, 2008 9:24 pm; edited 2 times in total
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ExRAFbod
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PostPosted: Thu Oct 30, 2008 2:04 am    Post subject:
 
Enya R120-4C being a different motor from the Enya 120-4C posted above.
Different Carb, Head & Exhaust Manifold. Produces 2+ HP.
This Post-Production Motor ordered from Enya Direct and built by Ken Enya from spares.


Bore: 31.0mm
Stroke: 26.4mm
Displ: 1.20cu in or 19.93cc
Wt: 910gms (+muffler)
Max Pwr: 2.1@12,500
Pract Spd Rng: 9000~12,500
Idle Spd: 2500~3000
Critical Spd: 13,000
Carb: Enya GC Type 9.00mm
Pist & Liner: Ringed Al + Steel Liner
Prop: 12.5x9~12,13x8~9, 14x7~9, 15x6~7
Glowplug: Enya #3, #4
Wt of model: 4.0~7.5kg

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Per Ardua dis Astra


Last edited by ExRAFbod on Sat Nov 01, 2008 3:02 am; edited 3 times in total
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PostPosted: Thu Oct 30, 2008 2:33 am    Post subject:
 
Enya R155 4C. Extended Throttle Arm is required in powering a BUSA 1/4 Scale SE5a.


Bore: 34.0mm
Stroke: 28.0mm
Displ: 1.55cu in or 25.42cc
Wt: 960gms (+muffler)
Max Pwr: 2.5hp
Pract Spd Rng: 9000~12,500
Idle Spd: 2500~3000
Critical Spd: 13,000
Carb: Enya GC Type 9.5
Pist & Liner: Ringed Al + Steel Liner
Prop: 13x11~16x6
Glowplug: Enya #3, #4
Wt of model: 4.5~8.5kg

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Per Ardua dis Astra


Last edited by ExRAFbod on Fri Oct 31, 2008 9:21 pm; edited 2 times in total
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PostPosted: Thu Oct 30, 2008 2:33 am    Post subject:
 
British RCV 91 CD 4-Stroke Glow.


Manufacture: Die Cast
Engine Type: 4-stroke - Glow ignition
Displacement: 0.91 cu inch 15 cc
Max Power (approx.): 1.5 bhp 1.12 kw
Weight (exc. silencer): 25.2 oz 715 g
Length: 4.72 inch 120 mm
Height - centre line axis: 3.23 inch 82 mm
Cowling Radius: R85
Propeller shaft diameter: 5/16" UNF
Practical RPM range @ prop: 2,400 - 11,000 rpm
Example prop sizes (2-blade): 13x6, 14x6, 14x7
Recommended Fuel: 10% Nitro/15% Oil including max 6% Castor

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PostPosted: Fri Oct 31, 2008 12:56 am    Post subject: Enya 46 4C MK2
 
Enya 46 4C MK2


Thumbnail, click to enlarge.



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Data
Cylinder bore and stroke 22.3mmx19.2mm
Displacement 7.49cc
Weight 385 grams - with muffler 395 grams
Max Power 0.75HP at 12,500 rpm
Practical speed range 8,500 to 13,000 rpm
Idling speed 2,500 to 3000 rpm
Critical speed 14,000 rpm
Carburettor Enya GC type 5.5mm with special starter system
Cylinder liner and piston Steel liner with ringed Al. piston
Size of propeller 13x5, 12x6, 11x6~7, 10x6~7
Glow Plug Enya No. 3
Suitable weight of model 2.0 to 3.5KG


Jim

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PostPosted: Wed Mar 25, 2009 6:39 am    Post subject:
 
Magnum XL 30 RFS 4-Stroke Glow


Displ: 0.30cuin, 4.93cc
Bore: 0.08in
Stroke: 0.06in
Wt: 9.60oz
rev range: 2,200~13,000
prop: 9x5~11x4

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PostPosted: Tue Mar 16, 2010 9:25 pm    Post subject:
 
Magnum XL 52 RFS 4-Stroke Glow


Displ: 0.520cuin, 8.53cc
Bore: 0.091in
Stroke: 0.083in
Wt: 15.7oz
Rev Range: 2,000~10,500
prop: 11x7~13x4, running-in: 12x6

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PostPosted: Sat Jun 26, 2010 8:31 am    Post subject: os 56@
 
OS 56 Alpha

SPECIFICATONS
Disp. 9.32 cc / 0.569 cu. in.
Bore 24.0mm / 0.945 in
Stroke 20.6 mm / 0.811 in.
RPM practical 2,400 / 13,000
Power 1.0ps / 10,000 rpm
Weight 419g /14.8 oz.

Props
Sport aerobatics 13x6, 12x6-8
Scale 13x6-7, 12x6-8



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