OS 1.60 v.s. YS 1.40 DZ Cost Analysis - 

I used "street prices", and did not factor in mechanical failure/parts breakage, replacement, nor glow plugs.  For purposes of "amortization", I used a 500 flight life-span, and amortized the total purchase investment for that amount of use.  Realize that this is just a comparative summary of information, provided only for your consideration of purchase investment and operational expenses.

 

ITEM- Two Stroke	Cost	Cost	ITEM- Four Stroke
OS 1.60	$ 249.00	$  619.00	YS 1.40DZ
Perry Pump	$   29.00
Mueller Header	$   46.00	$    49.00	NMP DZ Header
Aeroslave CF Pipe	$ 160.00	$  169.00	ESC 4C140S8 Muffler
PURCHASE COSTS	$ 484.00	$  837.00
15% Cool Power/ gallon	$   15.00	$    21.00	30% Heli CoolPower
Cost/oz	$    0.12	$     0.16
Fuel Consumption (oz/min)	0.8	2.2
Avg Fuel per Flight (8 minutes)	6.4	17.6
Avg Cost Per flight	$    0.75	$     2.89
Average Cost per Year (200 flights)	$ 150.00	$  577.50
Amoritized Cost of Initial Purchase (based on 500 flight life span)	$    0.56	$     1.24
TOTAL OPERATING COST/FLIGHT	$    1.31	$     4.13