Me Inside View Headquarters Academy Model Aeronautics 5151 East Memorial Drive Muncie IN 47302 Bisson Mufflers Jim Bisson has wellknown source mufflers number years Canada has especially noticed side border something being remedied line mufflers being imported Gerard Enterprises Inc W226 N825 Eastmount Drive Waukesha WI 53186 Jim Gerard also present importer Moki line engines event obtained some mufflers Jim Bisson have made runs two units others what becoming very extensive line efficient tested modeler United States will have another good product added what becoming available sound level reduction figures provided bench runs specific propeller particular results may variance based upon several factors propeller choose may quiet ground happened use fact may quieter Whichever way goes assembly level could different Another very important factor vibration aircraft basically plastic glass fuselage tight plastic covering wing stab very well can get noise due vibration can sufficient levels affect readings should use vibration isolators other reasons engine installation mufflers tested 61 cubic inch engine made SuperTigre 3000 used 61 will bolt directly OS 61SF shown photo number will fit Moki probably others adapter plate also will extend exhaust stack about quarter inch ST 3000 bolts directly engine has same appearance shown except size Also available so-called Pitts Style mufflers Workmanship very neat appear well constructed OS 61SF run APC 12 x 8 propeller sound level checked two speeds Measurements made nine feet using Simpson Sound Meter calibration checked prior runs sound level engine tuming 10000 rpm 84 dBA engine turning 11000 rpm sound level just under 97 dBA Again results will depend what operate very good figures did have opportunity check other propeller combinations fuel used 10 percent nitro lube containing part castor oil ST 3000 run up Zinger 18 x 8 propeller push engine bench may operate some higher speeds would expect would very much different since especially rich runs fuel used Bob Davis Nitrotane four-stroke engines seems perform very well big Tigres results compare other muffler have tested ST 3000 kidney-shaped sold Eric Dem Quality RC Products 7000 rpm sound level same obtained OS 61SF operation 84 dBA level engine turning 7800 rpm 865 dBA Again will vary installation proper attention everything else should expect ST 3000 muffler register 90 dBA lower interested special application would like see manufactured way mufflers can contact Jim Bisson Bisson Custom Mufflers RR #1 Taits Island #32 Parry Sound Ontario P2A 2W7 Fuel System Cline Proportional Control Fuel System mentioned earlier article Since took some pictures components Photo number two shows parts provided Item number controller largest part about inch square about 3/s-inch thick Number two high frequencies check valve heart operation Parts three angle connectors inlet outlet controller Number four two tubing plugs vent fill lines Item five shows two tee fittings provide connection vent fill lines will need provide own I32 inch ID fuel tubing favorite fuel filter goes between tank controller whole purpose system provide constant pressure proportional rpm flow times will guarantee steady power attitudes conditions should especially useful performing aerobatics Scale applications transition lean major problems vertical maneuvers Contact Cline Associates 807 Alpha Road Box 44 Alpha OH 45301 details use system mber 1994 167 Howard Crispin Jr Photo Bisson muffler mounted 0S 61SF engine inow Two Cline Proportional Fuel Systemparts installation Audited Financial Statement 1993 statement received auditors AMA Headquarters July 25 1994 THE ACADEMY OF MODEL AERONAUTICS INC BALANCE SHEET DECSIBER31 isn ASSETS URESflUNDS CURRENT ASSETS Cash cash equivalents Receivables Inventory-at cost Prepaid insuravon Prepaid membership costs Prepaid expenses Total Current assets $ 1871386 173005 99980 100796 147941 37A54 2401462 INVESTMENTS 2495819 PROPERTY AND EOUIPMENT-at nest net uf accumulated deprecIatIon 0803506 23235 OTHER ASSETS RESflFUPAOS Cash Due Irom unrestricted lands LIDJIISIZ $ 50829 290 THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF REVENUE EXPENSES AND CHANGES IN UNRESTRICTED FUND BALANCES YEAR ENDED DECEMBER 31 1993 REVENUE Membership Museum patron program Club chartertees Event sanchons insurance Supply souvenir sales Model Aviation advertising Model Aviation sabacripbons EXPENSES Operating eupenses Model Aviation magazine direct costs Supply souvenir costs Depraciution amortization Otticer semices including magazines Committees National Championship contest EXCESS OF EXPENSES OVER REVENUES FROM OPERATIONS OTHER REVENUE EXPENSES Interest income Crop income Fandraising revenue Miscellaveous income Interest espense Farming enpense Loss sale assets Fandraising eapense Unrelated business income las $5718776 21239 94282 30447 150041 779665 4796331 1712375 113349 250180 124769 31005 $ 8830972 8997270 168298 218290 108413 8992 1947 55561 55774 71104 64500 990001 EXCESS OF EXPENSES OVER REVENUES UNRESTRICTED FUND BALANCES BEGINNING OF YEAR FUND TRANSFERS AND APPROPRIATIONS UNRESTRICTED FUND BALANCES END OF YEAR nAn 93295 5028787 Note Copies complete audited financial statements available $5 upon written request Audit performed Brady Ware Schoenfeld Inc LIABILITIES AND FUND BALANCES UNRESTRICTED FUNDS CURRENT LIABILITIES Accounts peyshle Current maturities ol mortgages notes payable capital lease obligations Acorsed eapenses Competition funds escrow Deterred membership ravenue Intertund papables Tvtul Current Liabilities DEFERRED MEMBERSHIP REVENUE LONG-TERM LIABILITIES Massages votes payable vet current matudties Obliguban under capital lease net current wuturhies Security depass Total Liabilities UNRESTRICTED FUND BALANCES Operating fund Designated Enecative Council tar contingencies RESTRICTED FUNDS Fund balances $ 141303 90800 169843 31857 3346516 3909590 172850 1423509 27579 23200 1 461 098 5942499 332021 3940000 sip 814 517 9194199 THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF CASH FLOWS YEAR ENDED DECEMBER 31 1993 OPERATING ACTIVITIES Eacess deliciency revenue aver eapenses Adjustments reconcile toner cash provided used operations Depreciation amortization Loss dispesals ot equipment Changes operating assets liabilities Receivables Prepaid Eapenses Inventory Aconunts payable accrued eapenses Competition lands escrow Deferred membership revenue Deposits Net Cash Provided Used Operating Activities IN VESTING ACTIVITIES Purchase property equipment Proceeds 1mm sale property equipment Ivtertand receivables Intertund psyabies Fund transtem Deposits investment accounts Security deposit received Net Cash Provided Used Investing Activities FINANCING ACTIVITIES Payments lang-term liabilities NET INCREASE DECREASE IN CASH AND CASH EGUIVALENTS CASH AND CASH EDUIVALENTS Beginning year End year SUPPLEMENTAL CASH FLOW INFORMATION Interest paid Equipment acquisitions financed through capital lease obligations UnrestdctedRestricted FundsFunds $ 93285$52952 200195 71 104 17850452952 33305 94601 8790 l00 24773 454534 II 0311 sass 327925 0700 339496 336519 99549 2325$_ 409651 169 0441 713553 2594939 81871399 $109066 $55050 339498 336519 2977 05929 $ $ THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF REVENUE EXPENSES AND CHANGES IN RESTRICTED FUND BALANCES YEAR ENDED DECEMBER 311983 Mortgage Reductico Fund Museum Patronage Fund Rubber Power Fund National Air Yacts Fund Legal Defense Fund Muncie Fund Site Development Fund Memorial Funds 168 Model Aviation nue $ 275 5529 39153 55570 2977 9103989 Excess DefIcIency Reesnue Onar Expenses $ 275 5371 23246 55575 Expenses $ 10950 15907 52200 SODAS Fend Balances BegInnIng Yaar $ 292724 21218 17000 2000 95045 2525 1413229 AppropriatIons Fund Transfers $ 292999 5850 69522 Fund Balances End Year $ 194 21218 t7000 2000 39269 59575 basSO EIAA$5
Edition: Model Aviation - 1994/12
Page Numbers: 167, 168
Me Inside View Headquarters Academy Model Aeronautics 5151 East Memorial Drive Muncie IN 47302 Bisson Mufflers Jim Bisson has wellknown source mufflers number years Canada has especially noticed side border something being remedied line mufflers being imported Gerard Enterprises Inc W226 N825 Eastmount Drive Waukesha WI 53186 Jim Gerard also present importer Moki line engines event obtained some mufflers Jim Bisson have made runs two units others what becoming very extensive line efficient tested modeler United States will have another good product added what becoming available sound level reduction figures provided bench runs specific propeller particular results may variance based upon several factors propeller choose may quiet ground happened use fact may quieter Whichever way goes assembly level could different Another very important factor vibration aircraft basically plastic glass fuselage tight plastic covering wing stab very well can get noise due vibration can sufficient levels affect readings should use vibration isolators other reasons engine installation mufflers tested 61 cubic inch engine made SuperTigre 3000 used 61 will bolt directly OS 61SF shown photo number will fit Moki probably others adapter plate also will extend exhaust stack about quarter inch ST 3000 bolts directly engine has same appearance shown except size Also available so-called Pitts Style mufflers Workmanship very neat appear well constructed OS 61SF run APC 12 x 8 propeller sound level checked two speeds Measurements made nine feet using Simpson Sound Meter calibration checked prior runs sound level engine tuming 10000 rpm 84 dBA engine turning 11000 rpm sound level just under 97 dBA Again results will depend what operate very good figures did have opportunity check other propeller combinations fuel used 10 percent nitro lube containing part castor oil ST 3000 run up Zinger 18 x 8 propeller push engine bench may operate some higher speeds would expect would very much different since especially rich runs fuel used Bob Davis Nitrotane four-stroke engines seems perform very well big Tigres results compare other muffler have tested ST 3000 kidney-shaped sold Eric Dem Quality RC Products 7000 rpm sound level same obtained OS 61SF operation 84 dBA level engine turning 7800 rpm 865 dBA Again will vary installation proper attention everything else should expect ST 3000 muffler register 90 dBA lower interested special application would like see manufactured way mufflers can contact Jim Bisson Bisson Custom Mufflers RR #1 Taits Island #32 Parry Sound Ontario P2A 2W7 Fuel System Cline Proportional Control Fuel System mentioned earlier article Since took some pictures components Photo number two shows parts provided Item number controller largest part about inch square about 3/s-inch thick Number two high frequencies check valve heart operation Parts three angle connectors inlet outlet controller Number four two tubing plugs vent fill lines Item five shows two tee fittings provide connection vent fill lines will need provide own I32 inch ID fuel tubing favorite fuel filter goes between tank controller whole purpose system provide constant pressure proportional rpm flow times will guarantee steady power attitudes conditions should especially useful performing aerobatics Scale applications transition lean major problems vertical maneuvers Contact Cline Associates 807 Alpha Road Box 44 Alpha OH 45301 details use system mber 1994 167 Howard Crispin Jr Photo Bisson muffler mounted 0S 61SF engine inow Two Cline Proportional Fuel Systemparts installation Audited Financial Statement 1993 statement received auditors AMA Headquarters July 25 1994 THE ACADEMY OF MODEL AERONAUTICS INC BALANCE SHEET DECSIBER31 isn ASSETS URESflUNDS CURRENT ASSETS Cash cash equivalents Receivables Inventory-at cost Prepaid insuravon Prepaid membership costs Prepaid expenses Total Current assets $ 1871386 173005 99980 100796 147941 37A54 2401462 INVESTMENTS 2495819 PROPERTY AND EOUIPMENT-at nest net uf accumulated deprecIatIon 0803506 23235 OTHER ASSETS RESflFUPAOS Cash Due Irom unrestricted lands LIDJIISIZ $ 50829 290 THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF REVENUE EXPENSES AND CHANGES IN UNRESTRICTED FUND BALANCES YEAR ENDED DECEMBER 31 1993 REVENUE Membership Museum patron program Club chartertees Event sanchons insurance Supply souvenir sales Model Aviation advertising Model Aviation sabacripbons EXPENSES Operating eupenses Model Aviation magazine direct costs Supply souvenir costs Depraciution amortization Otticer semices including magazines Committees National Championship contest EXCESS OF EXPENSES OVER REVENUES FROM OPERATIONS OTHER REVENUE EXPENSES Interest income Crop income Fandraising revenue Miscellaveous income Interest espense Farming enpense Loss sale assets Fandraising eapense Unrelated business income las $5718776 21239 94282 30447 150041 779665 4796331 1712375 113349 250180 124769 31005 $ 8830972 8997270 168298 218290 108413 8992 1947 55561 55774 71104 64500 990001 EXCESS OF EXPENSES OVER REVENUES UNRESTRICTED FUND BALANCES BEGINNING OF YEAR FUND TRANSFERS AND APPROPRIATIONS UNRESTRICTED FUND BALANCES END OF YEAR nAn 93295 5028787 Note Copies complete audited financial statements available $5 upon written request Audit performed Brady Ware Schoenfeld Inc LIABILITIES AND FUND BALANCES UNRESTRICTED FUNDS CURRENT LIABILITIES Accounts peyshle Current maturities ol mortgages notes payable capital lease obligations Acorsed eapenses Competition funds escrow Deterred membership ravenue Intertund papables Tvtul Current Liabilities DEFERRED MEMBERSHIP REVENUE LONG-TERM LIABILITIES Massages votes payable vet current matudties Obliguban under capital lease net current wuturhies Security depass Total Liabilities UNRESTRICTED FUND BALANCES Operating fund Designated Enecative Council tar contingencies RESTRICTED FUNDS Fund balances $ 141303 90800 169843 31857 3346516 3909590 172850 1423509 27579 23200 1 461 098 5942499 332021 3940000 sip 814 517 9194199 THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF CASH FLOWS YEAR ENDED DECEMBER 31 1993 OPERATING ACTIVITIES Eacess deliciency revenue aver eapenses Adjustments reconcile toner cash provided used operations Depreciation amortization Loss dispesals ot equipment Changes operating assets liabilities Receivables Prepaid Eapenses Inventory Aconunts payable accrued eapenses Competition lands escrow Deferred membership revenue Deposits Net Cash Provided Used Operating Activities IN VESTING ACTIVITIES Purchase property equipment Proceeds 1mm sale property equipment Ivtertand receivables Intertund psyabies Fund transtem Deposits investment accounts Security deposit received Net Cash Provided Used Investing Activities FINANCING ACTIVITIES Payments lang-term liabilities NET INCREASE DECREASE IN CASH AND CASH EGUIVALENTS CASH AND CASH EDUIVALENTS Beginning year End year SUPPLEMENTAL CASH FLOW INFORMATION Interest paid Equipment acquisitions financed through capital lease obligations UnrestdctedRestricted FundsFunds $ 93285$52952 200195 71 104 17850452952 33305 94601 8790 l00 24773 454534 II 0311 sass 327925 0700 339496 336519 99549 2325$_ 409651 169 0441 713553 2594939 81871399 $109066 $55050 339498 336519 2977 05929 $ $ THE ACADEMY OF MODEL AERONAUTICS INC STATEMENT OF REVENUE EXPENSES AND CHANGES IN RESTRICTED FUND BALANCES YEAR ENDED DECEMBER 311983 Mortgage Reductico Fund Museum Patronage Fund Rubber Power Fund National Air Yacts Fund Legal Defense Fund Muncie Fund Site Development Fund Memorial Funds 168 Model Aviation nue $ 275 5529 39153 55570 2977 9103989 Excess DefIcIency Reesnue Onar Expenses $ 275 5371 23246 55575 Expenses $ 10950 15907 52200 SODAS Fend Balances BegInnIng Yaar $ 292724 21218 17000 2000 95045 2525 1413229 AppropriatIons Fund Transfers $ 292999 5850 69522 Fund Balances End Year $ 194 21218 t7000 2000 39269 59575 basSO EIAA$5