1980-s SOVIET SPACESUIT "ORLAN-D" FOR SALYUT-7 CREWS EVA TRAINING For Sale

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1980-s SOVIET SPACESUIT "ORLAN-D" FOR SALYUT-7 CREWS EVA TRAINING:
$249000.00

The item represented here is the Soviet spacesuit "Orlan-D" aimed to be sent to the space station MIR, but remained on Earth for the training of extravehicular activity of the last crews of the space station Salyut-7. There were 34 spacesuits "Orlan-D" produced totally, only 7 of them have been used in orbit. This semi-rigid type reusable spacesuit is absolutely identical to the suits delivered onboard the space station and has the same regenerative closed-loop life support system with exchangable expendable components.

"Orlan-D" model specifications:
Manufacturer: "NPP Zvezda";
Development and tests: from 1969 to 1977;
Number of suits manufactured: 34 (for tests and training - 27, for orbital use - 7);
Manned orbital operations: from 1977 to 1984;
Number of accomplished EVAs in "Orlan-D" suit model: 26;
Where used: Soviet spacestations Salyut-6 and Salyut-7;
On-orbit lifetime: 3.5 years, or 6 EVAs;
Operating time: up to 5 hours;
Nominal pressure: 0,40 atm (5.8 psi) with 100% oxygen atmosphere;
Pre-breath period: 30 minutes;
Wearer anthropometrics: height - 164-180 cm, chest - 96-108 cm;
Weight: 73.5 kg (162 lbs);
Stored oxygen mass: 2 kg (4.4 lbs) in 2 bottles;
Feedwater capacity: 2.9 liters (0.77 gallons);
Average heat removal: 300 W;
Maximum heat removal: 600 W;
Consumed power: 32 W;
Number of measured parameters: 14.

Historical reference. Originated by the famous Russian spacesuit maker "NPP Zvezda", "Orlan-D" is the model, operational since 1977 until 1984. "D" denotes the first letter of the DOS acronym, which means "long-term orbital station" in Russian. "Orlan-D" requires long-lasting and multiply utilization in orbit, as well as its maintenance aboard the space station by the crew members. The family of spacesuits "Orlan" is derived from "Krechet-94" spacesuit developed for the Soviet cancelled lunar program: this suit, made in 1967, became the prototype for the first EVA spacesuit "Orlan". There were many its modifications created since that. The latest model "Orlan-MKS" is still in use onboard ISS. The spacesuit consists of flexible limbs attached to a one-piece rigid body with helmet unit.

Design features. The spacesuit is entered through the hatch in the rear of the backpack, what allows rapid entry and exit without assistance. The hatch door houses the life support equipment. Maximum operation time for a cosmonaut wearing "Orlan-D" is 5 hours. "Orlan-D" is a “one-size-fits-most” spacesuit which could be used by any cosmonaut having a chest circumference of 96-108 cm and a height of 164-180 cm. The suit is not self contained - its power supply, radio communication and telemetry should be passed via a 20 m long electric umbilical connected to the space station, which also served as a safety tether. Additional short safety tether is attached to the suit's waist and has the snap-hook at the end. "Orlan-D" operates at a nominal pressure of 0.40 atm (5.8 psi) with a 100% oxygen atmosphere, so that a pre-breath period of only 30 minutes is required. The spacesuit is controlled via the panel on its chest. "Orlan-D" is designed for an on-orbit lifetime of up to 6 guaranteed EVAs within no longer than 3.5 years. "Orlan-D" spacesuits totally accumulated 26 EVAs accomplished from the space stations Salyut-6 and Salyut-7.

Provenance. This "Orlan-D" spacesuit had been intended for manned orbital operations at the Soviet space station MIR and it has its logo patch on the right sleeve, but due to the appearance of the newer models of "Orlan" family this spacesuit remained on Earth. It was used in Russian Cosmonaut Training Center in 1980-s highly likely for training of the late Salyut-7 crews: Soyuz T-10 - cosmonauts Solovjev and Kizim, and Soyuz T-12 - cosmonauts Dzhanibekov and Savitskaya (the first woman performed a spacewalk in 1984), as well as their backup crews. Then, after curtailing the program of Salyut-7 space station and its descent from orbit with consequent burning in atmosphere, the necessity of use this "Orlan-D" spacesuit for training disappeared. As the newer "Orlan-DM" and "Orlan-DMA" replaced "Orlan-D" for future spacewalks at the space station MIR, this particular training spacesuit "Orlan-D" was decommissioned from the Cosmonaut Training Center and passed to private ownership.

Complete set
- spacesuit "Orlan-D" complete with gloves and backpack components, as shown on the photos;
- redundant oxygen bottle in its special housing to snap-on to the bottom of backpack;
- transportation trolley to keep the suit standing for easy maintenace and entry.
*The liquid cooling garment KVO, the cosmonaut's underwear and the wrist mirror are not included.

CONDITION - very good for its almost 40 years age. The space suit has never been used for neutral buoyancy underwater trainings of the cosmonauts, so it's outer thermal protective shell, electrical and pneumatic elements are not damaged by water. It looks mostly clean without serious damages. All necessary switches and regulators are available and work smoothly. The electrical control panel looks a little scratched and dusted. The sun visor and helmet glass has some visible scratches. The gloves could be fastened and unfastened quickly and easely. The spacesuit has not been tested under pressure. It's electrical work has not been checked either due to the absence of necessary equipment. The backpack hatch door opens and closes well and seems to be complete. The elements of the backpack door all seem to be securely fixed on their places. Electrical cables attached outside the bottom of the backpack look fresh, wrapped in plastic. The safety tether's hook snaps perfectly. The redundant oxygen bottle housing attachment to the backpack bottom has never been tested (it should be easely snapped-on, but maybe not). The interior of the body is clean, but the front inner cloth soft lining is unlaced somewhere. The transportation trolley holds the suit well with its side guides and front lock, it's adjustable for higher or lower position of the suit on it, and it seems to be repainted from orange to grey.Made in the USSR by original spacesuits manufacturer "NPP Zvezda".

Reference photos of the manned orbital operations using spacesuits "Orlan-D" onboard the spacestation Salyut-7

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